281 (Texas)

735 Blocks Found in Area 281 - List All

Click on a Block Name for more information about this block.

Block Name Assigned To Switches 281-933 AT&T SOUTHWEST HSTNTXALDS0 281-235 T-MOBILE HSTDTXBGCM5 281-532 VERIZON SOUTHWEST - TX LEVEL 3 TW TELECOM KEMHTXXBDS0 HSTQTX02DS0 HSTOTX42DS0 281-294 WINDSTREAM SGLDTXXEDS0 281-792 AT&T SOUTHWEST HSTNTXAPDS0 281-850 SPRINT NEXTEL HSTGTXQC1MD 281-916 GRANDE COMMUNICATIONS NETWORKS KEMHTXXB2MD 281-914 SPRINT NEXTEL LEVEL 3 HSTGTXQC2MD HSTQTX02DS0 281-892 VERIZON BUSINESS BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTOTX46DS0 HSTWTXLKDS0 281-366 VERIZON ACCESS TRANSMISSION SERVICES HSTNTXGIDS1 281-390 AT&T SOUTHWEST HSTNTXRIDS0 281-841 VERIZON WIRELESS HSNOTX08CM3 281-560 AT&T SOUTHWEST HSTNTXBUDS0 HSTNTXADDS0 HSTNTXFADS0 281-636 VERIZON WIRELESS HSNOTX08CM0 281-346 AT&T SOUTHWEST LEVEL 3 COMCAST DIGITAL PHONE VLLDTXVLDS0 HSTQTX02DS0 HSTTTXNLPS0 281-405 AT&T SOUTHWEST HSTNTXAIDS0 281-244 AT&T SOUTHWEST HSTNTXAPDS0 281-791 TEX-LINK COMMUNICATIONS INC HSTWTXBIDS0 281-727 LEVEL 3 AT&T SOUTHWEST AT&T MOBILITY HSTNTXYADS0 HSTNTXCLDS0 HSTNTXDNCM2 281-812 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) ATASTXXARP0 281-288 AT&T SOUTHWEST SPRNTXSODS0 281-417 GLOBAL CROSSING LOCAL SERVICES INC VERIZON ACCESS TRANSMISSION SERVICES HSTNTX93X0X HSTNTXGIDS1 281-964 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) CRICKET COMMUNICATIONS HMBLTXXAPS0 HSNQTX05GT0 281-921 TW TELECOM HSTNTXYADS1 281-588 AT&T SOUTHWEST HSTNTXBUDS0 281-550 AT&T SOUTHWEST HSTNTXLADS0 281-508 CRICKET COMMUNICATIONS DCSNTXXA0MD 281-321 WINDSTREAM SGLDTXXEDS0 281-830 SPRINT NEXTEL HSTGTXQC2MD 281-684 AT&T MOBILITY HSTNTXXJCM2 281-769 TW TELECOM LEVEL 3 VERIZON BUSINESS HSTOTX42DS0 HSTQTX02DS0 HSTOTX46DS0 HSTQTX02DS4 281-808 SPRINT NEXTEL HSTGTXQC2MD 281-869 TW TELECOM BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTOTX42DS0 HSTWTXLKDS0 281-840 VERIZON WIRELESS XO COMMUNICATIONS INC T-MOBILE HSNOTX08CM0 HSTOTXRWDS0 HSTDTXBGCM5 281-271 XO COMMUNICATIONS INC GLOBAL CROSSING LOCAL SERVICES INC HSTOTXRWDS0 HSTNTX93X0X 281-564 AT&T SOUTHWEST HSTNTXALDS0 281-795 AT&T MOBILITY HSTNTXXJCM2 281-705 VERIZON WIRELESS HSTZTX16CM1 281-757 VERIZON WIRELESS HSNOTX08CM0 281-748 T-MOBILE HSTDTXBGCM5 281-381 VERIZON WIRELESS HSNOTX08CM3 281-330 SPRINT NEXTEL HSTGTXQC2MD 281-630 AT&T MOBILITY HSTNTXXJCM2 281-719 COMCAST DIGITAL PHONE CAPROCK TELECOMMUNICATIONS AT&T SOUTHWEST HSTTTXNLPS1 HSTATX75DS0 SPRNTXNODS0 281-638 VERIZON WIRELESS HSNOTX08CM3 281-766 BANDWIDTH.COM CBEYOND AT&T SOUTHWEST FEATURE GROUP IP HSTNTXGI1MD HSTNTXJACA0 PNHRTXPNDS0 HSTQTXRG6MD 281-839 VERIZON SOUTHWEST - TX LEVEL 3 T-MOBILE SPRINT NEXTEL COMCAST DIGITAL PHONE SPRINT PCS BYTWTXXCDS0 HSTQTX02DS0 HSTDTXBGCM5 HSTGTXQC1MD HSTTTXNLPS1 HSTSTXGUCM0 281-207 TW TELECOM ETS TELEPHONE COMPANY HSTOTX42DS0 HSTOTXORDS1 281-542 AT&T SOUTHWEST LEVEL 3 HSTNTXDPDS0 HSTQTX02DS0 281-817 VERIZON ACCESS TRANSMISSION SERVICES AT&T LOCAL XO COMMUNICATIONS INC HSTNTXGIDS1 HSTNTX01DS2 HSTOTXRWDS0 281-724 GRANDE COMMUNICATIONS NETWORKS COMCAST DIGITAL PHONE VERIZON ACCESS TRANSMISSION SERVICES TELEPORT COMMUNICATIONS GROUP LEVEL 3 LGCYTXXA6MD HSTTTXNLPS1 HSTNTXGIDS1 HSTNTX01DS5 HSTQTX02DS0 281-667 XO COMMUNICATIONS INC LEVEL 3 SPRINT NEXTEL VERIZON BUSINESS HSTOTXRWDS0 HSTQTX02DS0 HSTGTXQC2MD HSTOTX46DS0 281-994 TW TELECOM HSTOTX42DS0 281-802 SPRINT NEXTEL HSTGTXQC1MD 281-544 AT&T SOUTHWEST HSTNTXBUDS0 281-900 VERIZON WIRELESS HSTZTX16CM1 281-559 VERIZON SOUTHWEST - TX BCLFTXXADS0 281-844 AT&T MOBILITY HSTNTXDNCM5 281-399 AT&T SOUTHWEST SPLDTXSPDS0 281-726 VERIZON WIRELESS SPRINT NEXTEL HSNOTX08CM0 HSTGTXQC1MD 281-944 TW TELECOM CBEYOND AT&T SOUTHWEST COMCAST DIGITAL PHONE HSTNTXYADS1 HSTNTXJACA0 HSTNTXBRDS0 HSTTTXNLPS1 281-285 WINDSTREAM SGLDTXXEDS0 281-633 AT&T SOUTHWEST AT&T MOBILITY RSBGTXRRDS0 HSTNTXDNCM2 281-645 BANDWIDTH.COM GRANDE COMMUNICATIONS NETWORKS CBEYOND COMCAST DIGITAL PHONE LEVEL 3 AT&T LOCAL HSTNTXGI1MD HSTNTXCLX5Y HSTNTXJACA0 HSTTTXNLPS1 HSTNTXYADS0 HSTNTX01DS2 281-668 VERIZON BUSINESS LEVEL 3 HSTOTX46DS0 HSTQTX02DS0 281-815 VERIZON ACCESS TRANSMISSION SERVICES LEVEL 3 AT&T INTERNET SERVICES BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTNTXGIDS1 HSTQTX02DS0 HSTNTX016MD HSTQTX02DS4 HSTWTXLKDS0 281-615 VERIZON WIRELESS HSNOTX08CM3 281-879 AT&T SOUTHWEST HSTNTXALDS0 281-632 WINDSTREAM SGLDTXXEDS0 281-714 VERIZON WIRELESS TW TELECOM HSNOTX08CM0 HSTOTX42DS0 281-781 TW TELECOM XO COMMUNICATIONS INC T-MOBILE COMCAST DIGITAL PHONE HSTOTX42DS0 HSTOTXRWDS3 HSTDTXBGCM5 HSTTTXNLPS0 281-528 AT&T SOUTHWEST LEVEL 3 SPRINT NEXTEL SPRNTXSODS0 HSTQTX02DS0 HSTGTXQC1MD 281-523 VERIZON SOUTHWEST - TX KEMHTXXBH01 281-953 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-500 GLOBAL CROSSING LOCAL SERVICES INC TELEPORT COMMUNICATIONS GROUP CBEYOND LEVEL 3 HSTNTX93X0X HSTNTXGIDS0 HSTNTXJACA0 HSTQTX02DS0 281-753 VERIZON WIRELESS HSNOTX08CM0 281-421 VERIZON SOUTHWEST - TX BYTWTXXCDS0 281-785 AT&T MOBILITY HSTNTXXJCM2 281-357 AT&T SOUTHWEST TBLLTXTBDS0 281-209 AT&T SOUTHWEST HSTNTXWEDS0 281-619 CBEYOND YMAX COMMUNICATIONS XO COMMUNICATIONS INC LEVEL 3 VERIZON ACCESS TRANSMISSION SERVICES HSTNTXJACA0 HSTOTXRWDS5 HSTOTXRWDS3 HSTQTX02DS0 HSTNTXGIDS1 281-327 WINDSTREAM SGLDTXXEDS0 281-627 VERIZON WIRELESS HSTZTX16CM1 281-582 TW TELECOM HSTOTX42DS0 281-312 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) CRICKET COMMUNICATIONS KGWDTXXADS0 HSNQTX05GT0 281-803 GRANDE COMMUNICATIONS NETWORKS TEL WEST NETWORK SERVICES CORPORATION LOGIX COMMUNICATIONS HSTNTXCLX5Y HSTNTXPBDS0 HSTNTXSXDS1 281-857 T-MOBILE LEVEL 3 BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTDTXBGCM5 HSTNTXYADS0 HSTWTXLKDS0 281-548 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) HMBLTXXAPS0 281-918 COMCAST DIGITAL PHONE LEVEL 3 HSTTTXNLPS0 HSTNTXYADS0 281-873 AT&T SOUTHWEST HSTNTXGPDS0 281-214 XO COMMUNICATIONS INC GLOBAL CROSSING LOCAL SERVICES INC TELEPORT COMMUNICATIONS GROUP CBEYOND HSTOTXRWDS0 HSTNTX93X0X HSTNTX01DS5 HSTNTXJACA0 281-787 AT&T MOBILITY HSTNTXXJCM2 281-502 VERIZON ACCESS TRANSMISSION SERVICES HSTNTXGIDS1 281-987 AT&T SOUTHWEST HSTNTXADCG0 281-674 VERIZON BUSINESS YMAX COMMUNICATIONS LEVEL 3 HSTOTX46DS0 HSTOTXRWDS5 HSTQTX02DS0 281-903 CRICKET COMMUNICATIONS GRANDE COMMUNICATIONS NETWORKS COMCAST DIGITAL PHONE SGLDTXXE5MD SGLDTXXE2MD HSTTTXNLPS1 281-770 VERIZON WIRELESS HSTZTX16CM1 281-599 AT&T SOUTHWEST HSTNTXBRDS0 281-946 CAPROCK TELECOMMUNICATIONS CBEYOND XO COMMUNICATIONS INC HSTATX75DS0 HSTNTXJACA0 HSTOTXRWDS3 281-251 AT&T SOUTHWEST TBLLTXKLDS0 281-449 AT&T SOUTHWEST HSTNTXADCG0 281-831 SPRINT NEXTEL HSTGTXQC1MD 281-583 AT&T SOUTHWEST HSTNTXBADS0 281-492 AT&T SOUTHWEST HSTNTXBRDS0 281-231 GRANDE COMMUNICATIONS NETWORKS AT&T SOUTHWEST XO COMMUNICATIONS INC VERIZON ACCESS TRANSMISSION SERVICES HSTNTXCLX5Y HSTNTXWEDS0 HSTOTXRWDS0 HSTNTXGIDS1 281-687 AT&T MOBILITY HSTNTXXJCM2 281-392 CONSOLIDATED COMMUNICATIONS KATYTXXCRS0 281-478 AT&T SOUTHWEST HSTNTXDPDS0 281-388 AT&T SOUTHWEST ALVNTXALDS0 281-404 GRANDE COMMUNICATIONS NETWORKS TEX-LINK COMMUNICATIONS INC LEVEL 3 HSTNTXCLX5Y HSTWTXBIDS0 HSTNTXYADS0 281-297 AT&T SOUTHWEST SPRNTXNODS0 281-859 AT&T SOUTHWEST HSTNTXLADS0 281-607 VERIZON ACCESS TRANSMISSION SERVICES HSTNTXGIDS1 281-738 LEVEL 3 LEVEL 3 BANDWIDTH.COM HSTQTX02DS0 HSTNTXYADS0 HSTNTXGI1MD 281-741 COMCAST DIGITAL PHONE XO COMMUNICATIONS INC HSTTTXNLPS1 HSTOTXRWDS0 281-698 BANDWIDTH.COM GLOBAL CROSSING LOCAL SERVICES INC BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTNTXGI1MD HSTNTX93X0X HSTWTXLKDS0 281-962 LEVEL 3 COMCAST DIGITAL PHONE VERIZON ACCESS TRANSMISSION SERVICES HSTQTX02DS0 HSTTTXNLPS0 HSTNTXGIDS1 281-372 AT&T SOUTHWEST SPRINT NEXTEL COMCAST DIGITAL PHONE HSTNTXADDS0 HSTGTXQC2MD HSTTTXNLPS1 281-574 CONSOLIDATED COMMUNICATIONS KATYTXXADS1 281-634 WINDSTREAM SGLDTXXEDS0 281-286 AT&T SOUTHWEST HSTNTXAPDS0 281-530 AT&T SOUTHWEST HSTNTXALDS0 281-269 WINDSTREAM SGLDTXXEDS0 281-237 CONSOLIDATED COMMUNICATIONS KATYTXXADS1 281-457 AT&T SOUTHWEST HSTNTXCHRS0 281-440 AT&T SOUTHWEST HSTNTXBADS0 281-875 AT&T SOUTHWEST HSTNTXGPDS0 281-503 GRANDE COMMUNICATIONS NETWORKS HSTNTXCLX5Y 281-773 SPRINT PCS HSTHTXENCM1 281-322 WINDSTREAM SGLDTXXEDS0 281-203 LEVEL 3 T-MOBILE SPRINT NEXTEL TELEPORT COMMUNICATIONS GROUP AT&T SOUTHWEST SPRINT PCS YMAX COMMUNICATIONS HSTQTX02DS0 HSTDTXBGCM5 HSTGTXQC2MD HSTNTX01DS5 SPRNTXNODS0 HSTSTXGUCM1 HSTOTXRWDS5 281-968 LEVEL 3 TELEPORT COMMUNICATIONS GROUP COMCAST DIGITAL PHONE BANDWIDTH.COM HSTQTX02DS0 HSTPTXVHBMD HSTTTXNLPS1 HSTNTXGI1MD 281-369 VERIZON SOUTHWEST - TX LEVEL 3 COMCAST DIGITAL PHONE RSHRTXXARS0 HSTQTX02DS0 HSTTTXNLPS0 281-419 AT&T SOUTHWEST SPRNTXNODS0 281-307 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-827 T-MOBILE HSTDTXBGCM5 281-593 AT&T SOUTHWEST VERIZON WIRELESS CLEVTXCLDS0 HSNOTX08CM0 281-452 AT&T SOUTHWEST HSTNTXCHRS0 281-568 AT&T SOUTHWEST HSTNTXALDS0 281-290 AT&T SOUTHWEST CBEYOND TBLLTXTBDS0 HSTNTXJACA0 281-332 VERIZON SOUTHWEST - TX LGCYTXXADS0 281-485 AT&T SOUTHWEST HSTNTXPEDS1 281-326 VERIZON SOUTHWEST - TX KEMHTXXBDS0 281-579 AT&T SOUTHWEST HSTNTXBRDS0 281-464 AT&T SOUTHWEST HSTNTXWLCG0 281-306 LEVEL 3 TELEPORT COMMUNICATIONS GROUP HSTQTX025MD HSTPTXVHBMD 281-702 VERIZON WIRELESS AT&T MOBILITY T-MOBILE HSNOTX08CM0 HSTNTXDNCM2 HSTDTXBGCM5 281-927 AT&T SOUTHWEST HSTNTXGPDS0 281-253 VERIZON WIRELESS HSNOTX08CM0 281-293 AT&T SOUTHWEST HSTNTXBUDS0 281-262 WINDSTREAM SGLDTXXEDS0 281-431 VERIZON SOUTHWEST - TX ARCLTXXADS0 281-587 AT&T SOUTHWEST HSTNTXBADS0 281-409 VERIZON WIRELESS LEVEL 3 SPRINT PCS HSNOTX08CM3 HSTQTX02DS0 HSTSTXGUCM0 281-749 AT&T SOUTHWEST YMAX COMMUNICATIONS HSTNTXBUDS0 HSTOTXRWDS5 281-278 WINDSTREAM SGLDTXXEDS0 281-402 CAPROCK TELECOMMUNICATIONS XO COMMUNICATIONS INC LEVEL 3 GRANDE COMMUNICATIONS NETWORKS AT&T INTERNET SERVICES TELEPORT COMMUNICATIONS GROUP HSTATX75DS0 HSTOTXRWDS0 HSTQTX02DS0 HSTNTXCLX5Y HSTNTX016MD HSTNTX01DS5 281-980 WINDSTREAM SGLDTXXDDS0 281-313 WINDSTREAM SGLDTXXDDS0 281-620 VERIZON WIRELESS HSNOTX08CM0 281-513 AT&T MOBILITY HSTNTXXJCM2 281-344 AT&T SOUTHWEST FEATURE GROUP IP RSBGTXRRDS0 HSTQTXRG6MD 281-463 AT&T SOUTHWEST HSTNTXLADS0 281-570 TW TELECOM COMCAST DIGITAL PHONE CRICKET COMMUNICATIONS HSTOTX42DS0 HSTTTXNLPS0 HSNQTX05GT0 281-709 VERIZON ACCESS TRANSMISSION SERVICES SPRINT NEXTEL HSTNTXGIDS1 HSTGTXQC2MD 281-867 AT&T SOUTHWEST CBEYOND HSTNTXLPDS0 HSTNTXJACA0 281-342 AT&T SOUTHWEST RSBGTXRRDS0 281-664 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-669 BIRCH COMMUNICATIONS OF THE SOUTHWEST AT&T SOUTHWEST SPRINT NEXTEL HSTWTXLKDS0 HSTNTXMCDS0 HSTGTXQC2MD 281-734 VERIZON WIRELESS HSTZTX16CM1 281-240 WINDSTREAM SGLDTXXEDS0 281-496 AT&T SOUTHWEST HSTNTXBUDS0 281-565 WINDSTREAM SGLDTXXEDS0 281-884 AT&T SOUTHWEST XO COMMUNICATIONS INC HSTNTXDPDS0 HSTOTXRWDS0 281-571 TELEPORT COMMUNICATIONS GROUP LEVEL 3 BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTNTXGIDS0 HSTQTX02DS0 HSTWTXLKDS0 281-704 T-MOBILE HSTDTXBGCM5 281-538 VERIZON SOUTHWEST - TX KEMHTXXADS0 281-482 AT&T SOUTHWEST HSTNTXFRDS0 281-961 VERIZON WIRELESS HSNOTX08CM0 281-917 T-MOBILE VERIZON WIRELESS SPRINT PCS HSTDTXBGCM5 HSTZTX16CM1 HSTSTXGUCM0 281-972 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 COMCAST DIGITAL PHONE HSTNTXCLX5Y HSTNTXYADS0 HSTTTXNLPS1 281-895 AT&T SOUTHWEST HSTNTXBADS0 281-940 BIRCH COMMUNICATIONS OF THE SOUTHWEST LEVEL 3 HSTWTXLKDS0 HSTQTX02DS0 281-941 TW TELECOM COMCAST DIGITAL PHONE GRANDE COMMUNICATIONS NETWORKS HSTOTX42DS0 HSTTTXNLPS1 HSTNTXCLX5Y 281-341 AT&T SOUTHWEST RSBGTXRRDS0 281-761 GRANDE COMMUNICATIONS NETWORKS VERIZON WIRELESS LEVEL 3 AT&T MOBILITY HSTNTXCLX5Y HSNOTX08CM0 HSTQTX025MD HSTNTXDNCM2 281-412 AT&T SOUTHWEST HSTNTXPEDS1 281-238 AT&T SOUTHWEST RSBGTXRRDS0 281-797 AT&T MOBILITY HSTNTXXJCM2 281-309 VERIZON SOUTHWEST - TX VERIZON WIRELESS AT&T MOBILITY DCSNTXXADS0 HSTZTX16CM1 HSTNTXDNCM5 281-479 AT&T SOUTHWEST HSTNTXDPDS0 281-978 YMAX COMMUNICATIONS AT&T SOUTHWEST HSTOTXRWDS5 HSTNTXAIDS0 281-989 SPRINT PCS HSTHTXENCM1 281-212 SPRINT NEXTEL AT&T SOUTHWEST YMAX COMMUNICATIONS HSTGTXQC2MD HSTNTXAPDS0 HSTOTXRWDS5 281-536 AT&T MOBILITY HSTNTXXJCM2 281-774 AT&T SOUTHWEST T-MOBILE HSTNTXGPDS0 HSTDTXBGCM5 281-354 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) PTERTXXARS0 281-495 AT&T SOUTHWEST HSTNTXALDS0 281-673 T-MOBILE VERIZON BUSINESS YMAX COMMUNICATIONS HSTDTXBGCM5 HSTOTX46DS0 HSTOTXRWDS5 281-628 GRANDE COMMUNICATIONS NETWORKS SPRINT NEXTEL HSTNTXCLX5Y HSTGTXQC1MD 281-945 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-465 AT&T SOUTHWEST SPRNTXNODS0 281-202 TELEPORT COMMUNICATIONS GROUP SPRINT NEXTEL VERIZON WIRELESS TW TELECOM AT&T MOBILITY HSTNTXGIDS0 HSTGTXQC1MD HSTZTX16CM1 HSTOTX42DS0 HSTNTXDNCM2 HSTNTXDNCM5 281-379 AT&T SOUTHWEST TBLLTXKLDS0 281-851 AT&T MOBILITY HSTNTXXJCM2 281-467 AT&T MOBILITY HSTNTXXJCM2 281-371 CONSOLIDATED COMMUNICATIONS BANDWIDTH.COM KATYTXXADS1 HSTNTXGI1MD 281-218 AT&T SOUTHWEST HSTNTXAPDS0 281-280 AT&T SOUTHWEST HSTNTXAPDS0 281-337 VERIZON SOUTHWEST - TX DCSNTXXADS0 281-758 AT&T SOUTHWEST CYPRTXCYDS1 281-224 AT&T MOBILITY HSTNTXXJCM2 281-602 GLOBAL CROSSING LOCAL SERVICES INC LOGIX COMMUNICATIONS CBEYOND T-MOBILE HSTNTX93X0X HSTNTXSXDS1 HSTNTXJACA0 HSTDTXBGCM5 281-858 AT&T SOUTHWEST CAPROCK TELECOMMUNICATIONS HSTNTXLADS0 HSTATX75DS0 281-221 AT&T MOBILITY HSTNTXXJCM2 281-651 AT&T SOUTHWEST COMCAST DIGITAL PHONE SPRNTXSODS0 HSTTTXNLPS1 281-375 CONSOLIDATED COMMUNICATIONS VERIZON BUSINESS BKSHTXXARS0 HSTOTX46DS0 281-799 AT&T MOBILITY HSTNTXXJCM2 281-759 AT&T SOUTHWEST HSTNTXBUDS0 281-975 GLOBAL CROSSING LOCAL SERVICES INC T-MOBILE HSTNTX93X0X HSTDTXBGCM5 281-497 AT&T SOUTHWEST HSTNTXBUDS0 281-461 AT&T SOUTHWEST HSTNTXAPDS0 281-275 WINDSTREAM SGLDTXXEDS0 281-296 AT&T SOUTHWEST VERIZON BUSINESS SPRNTXNODS0 HSTOTX46DS0 281-999 AT&T SOUTHWEST HSTNTXAIDS0 281-217 AT&T MOBILITY HSTNTXXJCM2 281-438 AT&T SOUTHWEST HSTNTXBWDS0 281-415 VERIZON WIRELESS HSNOTX08CM0 281-833 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-731 VERIZON WIRELESS HSTZTX16CM1 281-924 SPRINT NEXTEL HSTGTXQC1MD 281-938 CBEYOND HSTNTXJACA0 281-356 AT&T SOUTHWEST PNHRTXPNDS0 281-539 AT&T SOUTHWEST HSTNTXGPDS0 281-806 AT&T MOBILITY SPRINT NEXTEL VERIZON BUSINESS SPRINT PCS TELEPORT COMMUNICATIONS GROUP VERIZON WIRELESS HSTNTXDNCM5 HSTNTXDNCM2 HSTGTXQC1MD HSTOTX46DS0 HSTSTXGUCM1 HSTPTXVHBMD HSNOTX08CM0 281-413 VERIZON WIRELESS HSNOTX08CM0 281-347 CONSOLIDATED COMMUNICATIONS KATYTXXBRS0 281-855 AT&T SOUTHWEST HSTNTXLADS0 281-762 COMCAST DIGITAL PHONE GRANDE COMMUNICATIONS NETWORKS TW TELECOM HSTTTXNLPS1 HSTNTXCLX5Y HSTOTX42DS0 281-652 AT&T SOUTHWEST LEVEL 3 SPRINT NEXTEL YMAX COMMUNICATIONS HSTNTXMCDS0 HSTNTXYADS0 HSTGTXQC2MD HSTOTXRWDS5 281-988 AT&T SOUTHWEST HSTNTXALDS0 281-422 VERIZON SOUTHWEST - TX BYTWTXXADS0 281-233 AT&T SOUTHWEST HSTNTXWEDS0 281-499 VERIZON SOUTHWEST - TX STFRTXXADS0 281-340 WINDSTREAM SGLDTXXEDS0 281-804 SPRINT PCS HSTHTXENCM0 281-247 GLOBAL CROSSING LOCAL SERVICES INC VERIZON ACCESS TRANSMISSION SERVICES CBEYOND HSTNTX93X0X HSTNTXGIDS1 HSTNTXJACA0 281-902 TW TELECOM T-MOBILE HSTOTX42DS0 HSTDTXBGCM5 281-881 VERIZON WIRELESS HSNOTX08CM3 281-585 AT&T SOUTHWEST ALVNTXALDS0 281-408 SPRINT PCS AT&T SOUTHWEST LEVEL 3 TELEPORT COMMUNICATIONS GROUP HSTHTXENCM0 HSTNTXGPDS0 HSTQTX02DS4 HSTNTXGIDS0 281-426 VERIZON SOUTHWEST - TX HGLNTXXADS0 281-898 SPRINT NEXTEL YMAX COMMUNICATIONS XO COMMUNICATIONS INC AT&T MOBILITY AT&T LOCAL HSTGTXQC2MD HSTOTXRWDS5 HSTOTXRWDS0 HSTNTXXJCM0 HSTNTX01DS4 281-436 AT&T SOUTHWEST LEVEL 3 XO COMMUNICATIONS INC HSTNTXEHDS0 HSTNTXALDS0 HSTNTXYADS0 HSTOTXRWDS0 281-563 WINDSTREAM SGLDTXXEDS0 281-744 VERIZON WIRELESS HSTZTX16CM1 281-990 AT&T SOUTHWEST LEVEL 3 YMAX COMMUNICATIONS GRANDE COMMUNICATIONS NETWORKS SPRINT NEXTEL HSTNTXAPDS0 HSTQTX02DS0 HSTOTXRWDS5 HSTNTXCLX5Y HSTGTXQC2MD 281-205 LEVEL 3 CBEYOND AT&T LOCAL TELEPORT COMMUNICATIONS GROUP HSTQTX02DS0 HSTNTXJACA0 HSTNTX01DS3 HSTNTXGIDS0 281-852 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) ATASTXXARP0 281-866 AT&T SOUTHWEST T-MOBILE HSTNTXBADS0 HSTDTXBGCM5 281-641 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) HMBLTXXAPS0 281-584 AT&T SOUTHWEST HSTNTXBUDS0 281-423 AT&T SOUTHWEST HSTNTXGPDS0 281-721 AT&T SOUTHWEST YMAX COMMUNICATIONS HSTNTXBUDS0 HSTOTXRWDS5 281-829 AT&T SOUTHWEST CAPROCK TELECOMMUNICATIONS HSTNTXBRDS0 HSTATX75DS0 281-394 LEVEL 3 ETS TELEPHONE COMPANY CONSOLIDATED COMMUNICATIONS HSTQTX02DS0 HSTOTXORDS1 KATYTXXADS1 281-747 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) VERIZON BUSINESS LEVEL 3 COMCAST DIGITAL PHONE PTERTXXARS0 HSTOTX46DS0 HSTQTX02DS4 HSTTTXNLPS0 281-768 VERIZON WIRELESS CBEYOND HSNOTX08CM0 HSTNTXJACA0 281-820 AT&T SOUTHWEST HSTNTXAIDS0 281-926 AT&T SOUTHWEST HSTNTXGPDS0 281-302 GRANDE COMMUNICATIONS NETWORKS TW TELECOM VERIZON BUSINESS COMCAST DIGITAL PHONE CRICKET COMMUNICATIONS SGLDTXXE2MD HSTOTX42DS0 HSTOTX46DS0 HSTTTXNLPS1 SGLDTXXE5MD 281-897 AT&T SOUTHWEST HSTNTXSADS0 281-703 VERIZON WIRELESS HSTZTX16CM1 281-782 AT&T MOBILITY HSTNTXDNCM5 281-299 GRANDE COMMUNICATIONS NETWORKS VERIZON WIRELESS HSTNTXCLX5Y HSTZTX16CM1 281-780 SPRINT NEXTEL SPRINT PCS HSTGTXQC2MD HSTSTXGUCM0 281-732 VERIZON WIRELESS HSNOTX08CM3 281-931 AT&T SOUTHWEST HSTNTXAIDS0 281-752 AT&T SOUTHWEST HSTNTXBUDS0 281-450 AT&T MOBILITY HSTNTXDNCM5 281-789 LOGIX COMMUNICATIONS VERIZON BUSINESS COMCAST DIGITAL PHONE HSTNTXSXDS1 HSTOTX46DS0 HSTTTXNLPS1 281-343 AT&T SOUTHWEST GRANDE COMMUNICATIONS NETWORKS SMLKTXSMDS0 HSTNTXCLX5Y 281-822 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-998 AT&T SOUTHWEST HSTNTXEERS0 281-754 AT&T SOUTHWEST YMAX COMMUNICATIONS HSTNTXBUDS0 HSTOTXRWDS5 281-486 AT&T SOUTHWEST HSTNTXAPDS0 281-745 VERIZON WIRELESS T-MOBILE BIRCH COMMUNICATIONS OF THE SOUTHWEST HSNOTX08CM3 HSTDTXBGCM5 HSTWTXLKDS0 281-864 LEVEL 3 GRANDE COMMUNICATIONS NETWORKS AT&T SOUTHWEST XO COMMUNICATIONS INC COMCAST DIGITAL PHONE HSTQTX02DS0 HSTNTXCLX5Y HSTNTXCHRS0 HSTOTXRWDS0 HSTTTXNLPS1 281-650 T-MOBILE HSTDTXBGCM5 281-360 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) KGWDTXXCRP0 281-256 AT&T SOUTHWEST CYPRTXCYDS1 281-809 VERIZON ACCESS TRANSMISSION SERVICES CBEYOND AT&T INTERNET SERVICES LEVEL 3 HSTNTXGIDS1 HSTNTXJACA0 HSTNTX016MD HSTQTX02DS0 281-890 AT&T SOUTHWEST HSTNTXSADS0 281-487 AT&T SOUTHWEST HSTNTXEERS0 281-591 AT&T SOUTHWEST HSTNTXAIDS0 281-387 VERIZON WIRELESS HSNOTX08CM0 281-854 TW TELECOM T-MOBILE HSTOTX42DS0 HSTDTXBGCM5 281-245 LEVEL 3 TW TELECOM VERIZON WIRELESS AT&T INTERNET SERVICES HSTQTX02DS0 HSTOTX42DS0 HSTZTX16CM1 HSTNTX016MD 281-234 CONSOLIDATED COMMUNICATIONS KATYTXXADS1 281-922 AT&T SOUTHWEST HSTNTXWLCG0 281-545 AT&T SOUTHWEST AT&T LOCAL VERIZON BUSINESS SMLKTXSMDS0 HSTNTX01OMD HSTOTX46DS0 281-580 AT&T SOUTHWEST HSTNTXBADS0 281-730 AT&T SOUTHWEST HSTNTXGPDS0 281-359 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) KGWDTXXADS0 281-201 LEVEL 3 VERIZON BUSINESS CRICKET COMMUNICATIONS AT&T LOCAL HSTQTX02DS0 HSTNTX27DS1 SGLDTXXE5MD HSTNTX01DS2 281-363 AT&T SOUTHWEST SPRNTXNODS0 281-396 CONSOLIDATED COMMUNICATIONS KATYTXXADS1 281-435 AT&T MOBILITY HSTNTXXJCM2 281-672 VERIZON SOUTHWEST - TX LGCYTXXADS0 281-801 AFFORDABLE TELECOM HSTNTXJAXDX 281-716 VERIZON ACCESS TRANSMISSION SERVICES YMAX COMMUNICATIONS HSTNTXGIDS1 HSTOTXRWDS5 281-504 VERIZON ACCESS TRANSMISSION SERVICES HSTNTXGIDS1 281-856 AT&T SOUTHWEST HSTNTXLADS0 281-470 AT&T SOUTHWEST HSTNTXLPDS0 281-823 TW TELECOM SPRINT NEXTEL LEVEL 3 HSTOTX42DS0 HSTGTXQC2MD HSTQTX02DS0 281-932 SPRINT NEXTEL HSTGTXQC1MD 281-969 WORLDCALL INTERCONNECT VERIZON ACCESS TRANSMISSION SERVICES FEATURE GROUP IP COMCAST DIGITAL PHONE HSTQTXRG6MD HSTNTXGIDS1 HSTTTXNLPS1 281-764 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 BANDWIDTH.COM COMCAST DIGITAL PHONE HSTNTXCLX5Y HSTQTX02DS0 HSTNTXGI1MD HSTTTXNLPS0 281-996 AT&T SOUTHWEST HSTNTXFRDS0 281-639 VERIZON WIRELESS HSTZTX16CM1 281-493 AT&T SOUTHWEST HSTNTXBUDS0 281-594 SPRINT NEXTEL AT&T SOUTHWEST HSTGTXQC1MD HSTNTXBWDS0 281-838 VERIZON SOUTHWEST - TX VERIZON WIRELESS SPRINT NEXTEL CRICKET COMMUNICATIONS COMCAST DIGITAL PHONE BYTWTXXBDS0 HSTZTX16CM1 HSTGTXQC1MD BYTWTXXAIMD HSTTTXNLPS1 281-524 VERIZON SOUTHWEST - TX KEMHTXXBH01 281-986 AT&T SOUTHWEST HSTNTXADCG0 281-819 VERIZON ACCESS TRANSMISSION SERVICES BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTNTXGIDS1 HSTWTXLKDS0 281-261 VERIZON SOUTHWEST - TX STFRTXXADS0 281-618 AT&T SOUTHWEST HSTNTXGPDS0 281-521 VERIZON SOUTHWEST - TX KEMHTXXAH01 281-227 AT&T SOUTHWEST HSTNTXADDS0 281-483 AT&T SOUTHWEST HSTNTXAPDS0 281-610 AT&T MOBILITY HSTNTXXJCM2 281-319 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) HMBLTXXAPS0 281-335 VERIZON SOUTHWEST - TX NSBYTXXADS1 281-710 WORLDCALL INTERCONNECT COMCAST DIGITAL PHONE FEATURE GROUP IP LEVEL 3 VERIZON ACCESS TRANSMISSION SERVICES HSTQTXRG6MD HSTTTXNLPS1 HSTNTXYADS0 HSTNTXGIDS1 281-364 AT&T SOUTHWEST SPRNTXNODS0 281-631 AT&T SOUTHWEST HSTNTXBADS0 281-955 AT&T SOUTHWEST HSTNTXSADS0 281-663 VERIZON SOUTHWEST - TX BYTWTXXCRL0 281-725 AT&T MOBILITY AT&T SOUTHWEST LEVEL 3 WORLDCALL INTERCONNECT HSTNTXXJCM2 RSBGTXRRDS0 HSTQTX02DS0 HSTQTXRG6MD 281-451 SPRINT PCS HSTHTXENCM1 281-333 VERIZON SOUTHWEST - TX NSBYTXXADS1 281-514 AT&T SOUTHWEST HSTNTXGPDS0 281-966 AT&T SOUTHWEST HSTNTXBUDS0 281-885 TELEPORT COMMUNICATIONS GROUP HSTNTXGIDS0 281-474 AT&T SOUTHWEST HSTNTXSERS1 281-581 LEVEL 3 AT&T SOUTHWEST AT&T INTERNET SERVICES HSTQTX02DS0 ALVNTXALDS0 HSTNTX016MD 281-816 TW TELECOM GRANDE COMMUNICATIONS NETWORKS LEVEL 3 TELEPORT COMMUNICATIONS GROUP BANDWIDTH.COM HSTOTX42DS0 HSTNTXCLX5Y HSTQTX02DS0 HSTNTXGIDS0 HSTNTXGI1MD 281-765 AT&T SOUTHWEST HSTNTXGPDS0 281-437 AT&T SOUTHWEST HSTNTXBWDS0 281-295 WINDSTREAM SGLDTXXEDS0 281-339 VERIZON SOUTHWEST - TX BCLFTXXADS0 281-331 AT&T SOUTHWEST ALVNTXALDS0 281-912 GRANDE COMMUNICATIONS NETWORKS T-MOBILE HSTNTXCLX5Y HSTDTXBGCM5 281-592 AT&T SOUTHWEST CLEVTXCLDS0 281-549 LEVEL 3 BANDWIDTH.COM COMCAST DIGITAL PHONE TELEPORT COMMUNICATIONS GROUP HSTQTX02DS0 HSTNTXGI1MD HSTTTXNLPS1 HSTNTX01DS5 281-677 VERIZON BUSINESS LEVEL 3 XO COMMUNICATIONS INC YMAX COMMUNICATIONS HSTOTX46DS0 HSTQTX02DS0 HSTOTXRWDS3 HSTOTXRWDS5 281-453 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-572 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) PTHSTXXARS0 281-863 AT&T SOUTHWEST CAPROCK TELECOMMUNICATIONS CBEYOND SPRNTXNODS0 HSTATX75DS0 HSTNTXJACA0 281-219 AT&T SOUTHWEST HSTNTXADCG0 281-614 VERIZON SOUTHWEST - TX AT&T MOBILITY DCSNTXXADS0 HSTNTXDNCM5 281-501 COMCAST DIGITAL PHONE TW TELECOM CBEYOND HSTTTXNLPS0 HSTOTX42DS0 HSTNTXJACA0 281-693 CONSOLIDATED COMMUNICATIONS KATYTXXCRS0 281-576 VERIZON SOUTHWEST - TX LEVEL 3 MTBLTXXADS0 HSTNTXYADS0 281-913 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) COMCAST DIGITAL PHONE SPRINT PCS KGWDTXXCRP0 HSTTTXNLPS0 HSTHTXENCM1 281-389 VERIZON WIRELESS HSNOTX08CM0 281-942 CAPROCK TELECOMMUNICATIONS COMCAST DIGITAL PHONE TW TELECOM HSTATX75DS0 HSTTTXNLPS0 HSTOTX42DS0

Block Name Assigned To Switches 281-776 AT&T SOUTHWEST HSTNTXALDS0 HSTNTXADDS0 281-383 VERIZON SOUTHWEST - TX SPRINT NEXTEL LEVEL 3 BHCYTXXADS0 HSTGTXQC1MD HSTNTXYADS0 281-821 AT&T SOUTHWEST HSTNTXWEDS0 281-401 AT&T SOUTHWEST BIRCH COMMUNICATIONS OF THE SOUTHWEST LEVEL 3 TBLLTXTBDS0 HSTWTXLKDS0 HSTQTX02DS0 281-395 CONSOLIDATED COMMUNICATIONS KATYTXXCRS0 281-635 VERIZON WIRELESS SPRINT NEXTEL HSNOTX08CM0 HSTGTXQC2MD 281-287 WINDSTREAM SGLDTXXEDS0 281-407 CRICKET COMMUNICATIONS DCSNTXXA0MD 281-484 AT&T SOUTHWEST HSTNTXWLCG0 281-983 AT&T SOUTHWEST HSTNTXALDS0 281-865 SPRINT PCS HSTSTXGUCM0 281-353 AT&T SOUTHWEST SPRNTXSODS0 281-772 SPRINT PCS HSTHTXENCM1 281-604 AT&T SOUTHWEST HSTNTXCLDS0 281-680 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-901 LEVEL 3 VERIZON ACCESS TRANSMISSION SERVICES HSTQTX02DS0 HSTNTXGIDS1 281-882 AT&T SOUTHWEST LEVEL 3 LOGIX COMMUNICATIONS SPRINT NEXTEL SPRNTXNODS0 HSTQTX02DS0 HSTNTXSXDS1 HSTGTXQC2MD 281-517 AT&T SOUTHWEST HSTNTXSADS0 281-376 AT&T SOUTHWEST TBLLTXKLDS0 281-783 TW TELECOM BANDWIDTH.COM HSTOTX42DS0 HSTNTXGI1MD 281-736 T-MOBILE SPRINT PCS HSTDTXBGCM5 HSTHTXENCM0 281-445 AT&T SOUTHWEST HSTNTXAIDS0 281-825 AT&T SOUTHWEST VERIZON WIRELESS LEVEL 3 LOGIX COMMUNICATIONS SPRNTXSODS0 HSNOTX08CM0 HSTQTX02DS0 HSTNTXSXDS1 281-701 T-MOBILE HSTDTXBGCM5 281-995 SPRINT PCS HSTSTXGUCM0 281-429 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) PTHSTXXARS0 281-362 AT&T SOUTHWEST COMCAST DIGITAL PHONE SPRNTXNODS0 HSTTTXNLPS1 281-348 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) CRICKET COMMUNICATIONS KGWDTXXADS0 HSNQTX05GT0 281-601 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 CRICKET COMMUNICATIONS SPRINT HSTNTXCLX5Y HSTQTX02DS0 HSTQTX02DS4 HSNQTX05GT0 NCGDTXNCBMD 281-427 VERIZON SOUTHWEST - TX BYTWTXXADS0 281-274 WINDSTREAM SGLDTXXEDS0 281-997 AT&T SOUTHWEST HSTNTXPEDS1 281-784 AT&T SOUTHWEST HSTNTXWEDS0 281-992 AT&T SOUTHWEST HSTNTXFRDS0 281-300 SPRINT PCS HSTHTXENCM1 281-358 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) KGWDTXXADS0 281-832 VERIZON WIRELESS SPRINT PCS HSNOTX08CM3 HSTSTXGUCM0 281-471 AT&T SOUTHWEST HSTNTXLPDS0 281-954 CAPROCK TELECOMMUNICATIONS AT&T MOBILITY LEVEL 3 YMAX COMMUNICATIONS AT&T INTERNET SERVICES HSTATX75DS0 HSTNTXXJCM0 HSTQTX02DS0 HSTOTXRWDS5 HSTNTX016MD 281-220 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 AT&T MOBILITY SPRINT NEXTEL HSTNTXCLX5Y HSTNTXYADS0 HSTNTXDNCM2 HSTGTXQC2MD 281-398 AT&T SOUTHWEST HSTNTXBRDS0 281-403 VERIZON SOUTHWEST - TX STFRTXXADS0 281-883 TW TELECOM SPRINT PCS COMCAST DIGITAL PHONE HSTOTX42DS0 HSTHTXENCM1 HSTTTXNLPS0 281-847 AT&T SOUTHWEST HSTNTXAIDS0 281-397 AT&T SOUTHWEST HSTNTXBADS0 281-541 SPRINT NEXTEL HSTGTXQC1MD 281-870 AT&T SOUTHWEST HSTNTXBUDS0 281-283 AT&T SOUTHWEST HSTNTXAPDS0 281-481 AT&T SOUTHWEST HSTNTXWLCG0 281-609 LEVEL 3 GLOBAL CROSSING LOCAL SERVICES INC CBEYOND HSTQTX02DS0 HSTNTX93X0X HSTNTXJACA0 281-676 VERIZON BUSINESS XO COMMUNICATIONS INC AT&T INTERNET SERVICES HSTOTX46DS0 HSTOTXRWDS0 HSTNTX016MD 281-713 CRICKET COMMUNICATIONS SPRINT LEVEL 3 HSNQTX05GT0 NCGDTXNCBMD HSTQTX02DS0 281-828 GRANDE COMMUNICATIONS NETWORKS HSTNTXCLX5Y 281-893 AT&T SOUTHWEST HSTNTXBADS0 281-779 SPRINT NEXTEL CBEYOND T-MOBILE HSTGTXQC2MD HSTNTXJACA0 HSTDTXBGCM5 281-878 AT&T SOUTHWEST HSTNTXAIDS0 281-751 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 LEVEL 3 HSTNTXCLX5Y HSTNTXYADS0 HSTQTX02DS0 HSTQTX02DS4 281-706 CRICKET COMMUNICATIONS HSNQTX05GT0 281-243 WINDSTREAM SGLDTXXEDS0 281-257 AT&T SOUTHWEST TBLLTXKLDS0 281-279 WINDSTREAM SGLDTXXEDS0 281-657 XO COMMUNICATIONS SPRINT NEXTEL LEVEL 3 HSTNTXGIDS4 HSTGTXQC2MD HSTNTXYADS0 281-712 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 VERIZON BUSINESS ETS TELEPHONE COMPANY HSTNTXCLX5Y HSTQTX02DS0 HSTNTX27DS1 HSTOTXORDS1 281-213 LEVEL 3 AT&T SOUTHWEST COMCAST DIGITAL PHONE SPRINT NEXTEL HSTQTX02DS0 CYPRTXCYDS1 HSTTTXNLPS1 HSTGTXQC1MD 281-575 AT&T SOUTHWEST HSTNTXALDS0 281-907 AT&T SOUTHWEST SPRINT NEXTEL T-MOBILE CAPROCK TELECOMMUNICATIONS TEL WEST NETWORK SERVICES CORPORATION LEVEL 3 SPRNTXSODS0 HSTGTXQC2MD HSTDTXBGCM5 HSTATX75DS0 HSTNTXPBDS0 HSTQTX02DS0 281-589 AT&T SOUTHWEST HSTNTXBUDS0 281-305 LEVEL 3 CBEYOND LOGIX COMMUNICATIONS GRANDE COMMUNICATIONS NETWORKS TELEPORT COMMUNICATIONS GROUP HSTQTX02DS0 HSTNTXJACA0 HSTNTXSXDS1 HSTNTXCLX5Y HSTPTXVHBMD 281-317 GLOBAL CROSSING LOCAL SERVICES INC LEVEL 3 CBEYOND HSTNTX93X0X HSTQTX02DS0 HSTNTXJACA0 281-325 WINDSTREAM SGLDTXXEDS0 281-301 BANDWIDTH.COM AT&T SOUTHWEST GRANDE COMMUNICATIONS NETWORKS LEVEL 3 TELEPORT COMMUNICATIONS GROUP XO COMMUNICATIONS INC T-MOBILE HSTNTXGI1MD HSTNTXBADS0 HSTNTXCLX5Y HSTQTX02DS0 HSTNTXGIDS0 HSTOTXRWDS3 HSTDTXBGCM5 281-849 TW TELECOM HSTOTX42DS0 281-671 BANDWIDTH.COM VERIZON BUSINESS AT&T LOCAL CAPROCK TELECOMMUNICATIONS HSTNTXGI1MD HSTOTX46DS0 HSTNTX01OMD HSTATX75DS0 281-228 AT&T SOUTHWEST HSTNTXCLDS0 281-807 AT&T SOUTHWEST HSTNTXSADS0 281-329 WINDSTREAM SGLDTXXEDS0 281-690 CRICKET COMMUNICATIONS TW TELECOM SGLDTXXE5MD HSTOTX42DS0 281-506 LEVEL 3 TELEPORT COMMUNICATIONS GROUP SPRINT NEXTEL COMCAST DIGITAL PHONE HSTQTX02DS0 HSTNTXGIDS0 HSTGTXQC1MD HSTTTXNLPS1 281-537 AT&T SOUTHWEST HSTNTXBADS0 281-595 VERIZON SOUTHWEST - TX RSHRTXXARS0 281-654 TELEPORT COMMUNICATIONS GROUP HSTNTXGIDS0 281-904 VERIZON WIRELESS SPRINT PCS HSTZTX16CM1 HSTSTXGUCM0 281-956 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-798 AT&T MOBILITY HSTNTXXJCM2 281-915 LEVEL 3 HSTQTX02DS0 281-598 CBEYOND HSTNTXJACA0 281-813 AT&T MOBILITY HSTNTXXJCM2 281-970 AT&T SOUTHWEST HSTNTXSADS0 281-459 LEVEL 3 AT&T SOUTHWEST HSTNTXYADS0 HSTNTXEHDS0 281-872 AT&T SOUTHWEST HSTNTXGPDS0 281-861 AT&T SOUTHWEST CBEYOND COMCAST DIGITAL PHONE HSTNTXLADS0 HSTNTXJACA0 HSTTTXNLPS1 281-886 LEVEL 3 VERIZON ACCESS TRANSMISSION SERVICES TW TELECOM HSTQTX02DS0 HSTNTXGIDS1 HSTOTX42DS0 281-899 AT&T SOUTHWEST HSTNTXBUDS0 281-688 GRANDE COMMUNICATIONS NETWORKS HSTNTXCLX5Y 281-910 VERIZON WIRELESS HSTZTX16CM1 281-948 T-MOBILE HSTDTXBGCM5 281-428 VERIZON SOUTHWEST - TX BYTWTXXADS0 281-723 VERIZON WIRELESS HSTZTX16CM1 281-982 VERIZON ACCESS TRANSMISSION SERVICES AT&T INTERNET SERVICES HSTNTXGIDS1 HSTNTX016MD 281-462 VERIZON SOUTHWEST - TX COMCAST DIGITAL PHONE CRSBTXXADS1 HSTTTXNLPS1 281-637 WINDSTREAM SGLDTXXEDS0 281-755 SPRINT NEXTEL VERIZON WIRELESS HSTGTXQC2MD HSTZTX16CM1 281-760 AT&T SOUTHWEST SPRINT NEXTEL LEVEL 3 T-MOBILE HSTNTXAIDS0 HSTGTXQC1MD HSTQTX02DS0 HSTDTXBGCM5 281-460 AT&T MOBILITY HSTNTXDNCM5 281-984 YMAX COMMUNICATIONS GLOBAL CROSSING LOCAL SERVICES INC COMCAST DIGITAL PHONE SPRINT NEXTEL HSTOTXRWDS5 HSTNTX93X0X HSTTTXNLPS1 HSTGTXQC2MD 281-391 CONSOLIDATED COMMUNICATIONS KATYTXXADS1 281-230 AT&T SOUTHWEST HSTNTXWEDS0 281-951 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-250 T-MOBILE HSTDTXBGCM5 281-586 AT&T SOUTHWEST HSTNTXBADS0 281-553 VERIZON ACCESS TRANSMISSION SERVICES HSTNTXGIDS1 281-384 VERIZON WIRELESS HSNOTX08CM3 281-848 TELEPORT COMMUNICATIONS GROUP HSTNTXGIDS0 281-289 WINDSTREAM SGLDTXXEDS0 281-543 VERIZON WIRELESS HSNOTX08CM3 281-515 CRICKET COMMUNICATIONS T-MOBILE SPRINT PCS BYTWTXXAIMD HSTDTXBGCM5 HSTSTXGUCM0 281-656 AT&T SOUTHWEST LEVEL 3 XO COMMUNICATIONS INC COMCAST DIGITAL PHONE BANDWIDTH.COM HSTNTXLADS0 HSTQTX02DS0 HSTOTXRWDS0 HSTTTXNLPS1 HSTNTXGI1MD 281-577 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) PTERTXXARS0 281-871 T-MOBILE AT&T SOUTHWEST HSTDTXBGCM5 HSTNTXGPDS0 281-800 AFFORDABLE TELECOM HSTNTXJAXDX 281-678 GRANDE COMMUNICATIONS NETWORKS VERIZON WIRELESS CRICKET COMMUNICATIONS T-MOBILE COMCAST DIGITAL PHONE HSTNTXCLX5Y HSTZTX16CM1 DCSNTXXA0MD HSTDTXBGCM5 HSTTTXNLPS1 281-682 AT&T MOBILITY HSTNTXDNCM5 281-985 AT&T SOUTHWEST HSTNTXADCG0 281-350 AT&T SOUTHWEST SPRNTXSODS0 281-960 SPRINT NEXTEL HSTGTXQC2MD 281-338 VERIZON SOUTHWEST - TX LGCYTXXADS0 281-862 AT&T SOUTHWEST TELEPORT COMMUNICATIONS GROUP XO COMMUNICATIONS INC HSTNTXCHRS0 HSTNTX01DS5 HSTOTXRWDS0 281-475 VERIZON WIRELESS LEVEL 3 CBEYOND YMAX COMMUNICATIONS HSNOTX08CM0 HSTNTXYADS0 HSTNTXJACA0 HSTOTXRWDS5 281-648 AT&T SOUTHWEST HSTNTXFRDS0 281-263 WINDSTREAM SGLDTXXEDS0 281-320 AT&T SOUTHWEST TBLLTXKLDS0 281-876 AT&T SOUTHWEST HSTNTXGPDS0 281-522 VERIZON SOUTHWEST - TX KEMHTXXAH01 281-617 BIRCH COMMUNICATIONS OF THE SOUTHWEST LEVEL 3 XO COMMUNICATIONS INC T-MOBILE COMCAST DIGITAL PHONE HSTWTXLKDS0 HSTQTX02DS0 HSTOTXRWDS3 HSTDTXBGCM5 HSTTTXNLPS1 281-662 VERIZON SOUTHWEST - TX BYTWTXXCRL0 281-323 T-MOBILE SPRINT NEXTEL AT&T INTERNET SERVICES AT&T SOUTHWEST HSTDTXBGCM5 HSTGTXQC2MD HSTNTX016MD SPRNTXSODS0 281-368 AT&T SOUTHWEST HSTNTXBUDS0 281-837 VERIZON SOUTHWEST - TX COMCAST DIGITAL PHONE BYTWTXXADS0 HSTTTXNLPS1 281-686 AT&T MOBILITY HSTNTXXJCM2 281-282 AT&T SOUTHWEST SPRINT NEXTEL HSTNTXAPDS0 HSTGTXQC2MD 281-905 SPRINT NEXTEL SPRINT PCS HSTGTXQC2MD HSTSTXGUCM0 281-377 CBEYOND LEVEL 3 VERIZON BUSINESS HSTNTXJACA0 HSTQTX02DS0 HSTOTX46DS0 281-529 AT&T SOUTHWEST LEVEL 3 HSTNTXBUDS0 HSTQTX02DS0 281-229 VERIZON WIRELESS VERIZON SOUTHWEST - TX HSTZTX16CM1 DCSNTXXADS0 281-547 LEVEL 3 GLOBAL CROSSING LOCAL SERVICES INC AT&T INTERNET SERVICES HSTQTX02DS0 HSTNTX93X0X HSTNTX016MD 281-249 TELEPORT COMMUNICATIONS GROUP LEVEL 3 TW TELECOM HSTNTXGIDS0 HSTQTX02DS0 HSTNTXYADS1 281-531 AT&T SOUTHWEST HSTNTXBUDS0 281-689 AT&T SOUTHWEST SPLDTXSPDS0 281-432 AT&T SOUTHWEST CLEVTXCLDS0 281-874 AT&T SOUTHWEST HSTNTXGPDS0 281-442 AT&T SOUTHWEST HSTNTXADCG0 281-949 VERIZON ACCESS TRANSMISSION SERVICES AT&T SOUTHWEST HSTNTXGIDS1 HSTNTXSADS0 281-957 LEVEL 3 COMCAST DIGITAL PHONE HSTNTXYADS0 HSTTTXNLPS1 281-316 VERIZON SOUTHWEST - TX LGCYTXXADS0 281-846 XO COMMUNICATIONS COST PLUS COMMUNICATIONS TELEPORT COMMUNICATIONS GROUP SPRINT NEXTEL HSTNTXGIDS4 HSTNTXGI0MD HSTNTXGIDS0 HSTGTXQC2MD 281-720 XO COMMUNICATIONS HSTNTXGIDS4 281-889 VERIZON WIRELESS SPRINT PCS HSNOTX08CM0 HSTSTXGUCM0 281-494 WINDSTREAM SGLDTXXEDS0 281-943 TW TELECOM T-MOBILE CAPROCK TELECOMMUNICATIONS HSTNTXYADS1 HSTDTXBGCM5 HSTATX75DS0 281-965 SPRINT NEXTEL HSTZTXFI1MD 281-258 SPRINT NEXTEL AT&T SOUTHWEST HSTGTXQC1MD HSTNTXBUDS0 281-888 LEVEL 3 COMCAST DIGITAL PHONE FEATURE GROUP IP HSTQTX02DS0 HSTTTXNLPS0 HSTQTXRG6MD 281-406 AT&T LOCAL SPRINT NEXTEL HSTNTX01DS3 HSTGTXQC2MD HSTGTXQC1MD 281-252 AT&T SOUTHWEST PNHRTXPNDS0 281-653 TW TELECOM AT&T INTERNET SERVICES AT&T SOUTHWEST LEVEL 3 HSTOTX42DS0 HSTNTX016MD HSTNTXSADS0 HSTQTX02DS0 281-420 VERIZON SOUTHWEST - TX BYTWTXXADS0 281-573 LEVEL 3 VERIZON SOUTHWEST - TX SPRINT NEXTEL LEVEL 3 HSTQTX02DS0 BHCYTXXADS0 HSTGTXQC1MD HSTNTXYADS0 281-880 AT&T SOUTHWEST HSTNTXBADS0 281-973 LEVEL 3 SPRINT VERIZON BUSINESS COMCAST DIGITAL PHONE HSTQTX02DS0 NCGDTXNCBMD HSTOTX46DS0 HSTTTXNLPS0 281-425 VERIZON SOUTHWEST - TX BYTWTXXADS0 281-314 WINDSTREAM SGLDTXXEDS0 281-707 VERIZON SOUTHWEST - TX BYTWTXXBRL0 281-241 TW TELECOM LEVEL 3 TELEPORT COMMUNICATIONS GROUP VERIZON BUSINESS CBEYOND BANDWIDTH.COM HSTOTX42DS0 HSTQTX02DS0 HSTNTX01DS5 HSTOTX46DS0 HSTNTXJACA0 HSTNTXGI1MD 281-695 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-715 GRANDE COMMUNICATIONS NETWORKS XO COMMUNICATIONS INC HSTNTXCLX5Y HSTOTXRWDS3 281-361 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) KGWDTXXCRP0 281-660 AT&T MOBILITY HSTNTXXJCM2 281-400 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-491 WINDSTREAM SGLDTXXEDS0 281-232 AT&T SOUTHWEST RSBGTXRRDS0 281-666 GRANDE COMMUNICATIONS NETWORKS VERIZON ACCESS TRANSMISSION SERVICES FEATURE GROUP IP HSTNTXCLX5Y HSTNTXGIDS1 HSTQTXRG6MD 281-622 VERIZON WIRELESS AT&T SOUTHWEST AT&T LOCAL LEVEL 3 AT&T MOBILITY HSNOTX08CM0 CLEVTXCLDS0 HSTNTX01DS2 HSTQTX025MD HSTNTXDNCM2 281-826 AT&T SOUTHWEST AT&T INTERNET SERVICES CAPROCK TELECOMMUNICATIONS TBLLTXKLDS0 HSTNTX016MD HSTATX75DS0 281-367 AT&T SOUTHWEST SPRNTXNODS0 281-643 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-552 AT&T SOUTHWEST YMAX COMMUNICATIONS LEVEL 3 HSTNTXBUDS0 HSTOTXRWDS5 HSTQTX02DS4 281-351 AT&T SOUTHWEST TBLLTXTBDS0 281-393 GRANDE COMMUNICATIONS NETWORKS AT&T SOUTHWEST HSTNTXCLX5Y ALVNTXALDS0 281-352 AT&T MOBILITY HSTNTXDNCM5 281-370 AT&T SOUTHWEST TBLLTXKLDS0 281-424 VERIZON SOUTHWEST - TX BYTWTXXBDS0 281-430 ETS TELEPHONE COMPANY HSTOTXORDS1 281-284 AT&T SOUTHWEST HSTNTXAPDS0 281-298 AT&T SOUTHWEST SPRNTXNODS0 281-216 AT&T MOBILITY HSTNTXXJCM2 281-534 VERIZON SOUTHWEST - TX DCSNTXXADS0 281-448 AT&T SOUTHWEST HSTNTXAIDS0 281-685 AT&T MOBILITY HSTNTXXJCM2 281-596 AT&T SOUTHWEST HSTNTXBUDS0 281-334 VERIZON SOUTHWEST - TX KEMHTXXADS0 281-835 AT&T SOUTHWEST HSTNTXBWDS0 281-507 VERIZON WIRELESS HSNOTX08CM0 281-934 CONSOLIDATED COMMUNICATIONS BKSHTXXARS0 281-743 VERIZON WIRELESS HSNOTX08CM0 281-310 AT&T LOCAL SPRINT NEXTEL XO COMMUNICATIONS INC HSTNTX01DS2 HSTGTXQC2MD HSTOTXRWDS0 281-380 VERIZON WIRELESS HSNOTX08CM3 281-273 WINDSTREAM SGLDTXXEDS0 281-937 AT&T SOUTHWEST COMCAST DIGITAL PHONE SMLKTXSMDS0 HSTTTXNLPS0 281-546 AT&T MOBILITY HSTNTXXJCM2 281-385 VERIZON SOUTHWEST - TX LEVEL 3 MTBLTXXADS0 HSTNTXYADS0 281-600 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-558 AT&T SOUTHWEST HSTNTXBUDS0 281-264 WINDSTREAM SGLDTXXEDS0 281-272 AT&T SOUTHWEST SPRINT NEXTEL HSTNTXAIDS0 HSTGTXQC2MD 281-675 AT&T SOUTHWEST HSTNTXBRDS0 281-794 AT&T MOBILITY HSTNTXXJCM2 281-894 AT&T SOUTHWEST HSTNTXSADS0 281-255 AT&T SOUTHWEST TBLLTXTBDS0 281-239 AT&T SOUTHWEST RSBGTXRRDS0 281-930 AT&T SOUTHWEST COMCAST DIGITAL PHONE HSTNTXDPDS0 HSTTTXNLPS1 281-979 VERIZON WIRELESS HSNOTX08CM3 281-608 SPRINT PCS CRICKET COMMUNICATIONS HSTHTXENCM1 HSNQTX05GT0 281-947 CAPROCK TELECOMMUNICATIONS HSTATX75DS0 281-843 BANDWIDTH.COM VERIZON SOUTHWEST - TX HSTNTXGI1MD HGLNTXXADS0 281-477 AT&T SOUTHWEST HSTNTXSADS0 281-860 AT&T SOUTHWEST LEVEL 3 XO COMMUNICATIONS INC HSTNTXCHRS0 HSTQTX02DS0 HSTOTXRWDS3 281-683 SPRINT NEXTEL T-MOBILE HSTGTXQC1MD HSTDTXBGCM5 281-488 AT&T SOUTHWEST HSTNTXAPDS0 281-277 WINDSTREAM SGLDTXXEDS0 281-896 SPRINT PCS HSTHTXENCM1 281-646 AT&T SOUTHWEST HSTNTXBRDS0 281-458 AT&T SOUTHWEST HSTNTXEHDS0 281-971 GLOBAL CROSSING LOCAL SERVICES INC HSTNTX93X0X 281-206 LEVEL 3 XO COMMUNICATIONS INC CBEYOND AT&T LOCAL HSTQTX02DS0 HSTOTXRWDS0 HSTNTXJACA0 HSTNTX01DS2 281-215 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-466 AT&T SOUTHWEST CBEYOND COMCAST DIGITAL PHONE LEVEL 3 AT&T LOCAL SPRINT NEXTEL BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTNTXJADS1 HSTNTXJACA0 HSTTTXNLPS1 HSTQTX02DS0 HSTNTX01DS2 SPRNTXNODS0 HSTGTXQC2MD HSTWTXLKDS0 281-259 AT&T SOUTHWEST PNHRTXPNDS0 281-647 AT&T SOUTHWEST HSTNTXBRDS0 281-355 AT&T SOUTHWEST SPRNTXSODS0 281-520 VERIZON WIRELESS GLOBAL CROSSING LOCAL SERVICES INC HSNOTX08CM0 HSTNTX93X0X 281-778 ETS TELEPHONE COMPANY HSTOTXORDS1 281-578 AT&T SOUTHWEST HSTNTXBRDS0 281-590 AT&T SOUTHWEST HSTNTXADCG0 281-441 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) HMBLTXXCDS0 281-750 GRANDE COMMUNICATIONS NETWORKS AT&T MOBILITY ETS TELEPHONE COMPANY BIRCH COMMUNICATIONS OF THE SOUTHWEST HSTNTXCLX5Y HSTNTXDNCM5 HSTOTXORDS1 HSTWTXLKDS0 281-935 T-MOBILE HSTDTXBGCM5 281-977 TEL WEST NETWORK SERVICES CORPORATION HSTNTXPBDS0 281-236 T-MOBILE HSTDTXBGCM5 281-694 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-222 AT&T MOBILITY HSTNTXXJCM2 281-681 AT&T SOUTHWEST SPRNTXNODS0 281-525 VERIZON SOUTHWEST - TX LGCYTXXAH02 281-891 T-MOBILE AT&T SOUTHWEST HSTDTXBGCM5 HSTNTXBADS0 281-742 AT&T SOUTHWEST HSTNTXWEDS0 281-810 AT&T SOUTHWEST BANDWIDTH.COM CAPROCK TELECOMMUNICATIONS HSTNTXBWDS0 HSTNTXGI1MD HSTATX75DS0 281-318 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 TELEPORT COMMUNICATIONS GROUP BANDWIDTH.COM COMCAST DIGITAL PHONE CRICKET COMMUNICATIONS HSTNTXCLX5Y HSTQTX02DS0 HSTNTX01DS5 HSTNTXGI1MD HSTTTXNLPS0 HSNQTX05GT0 281-469 AT&T SOUTHWEST HSTNTXSADS0 281-498 AT&T SOUTHWEST HSTNTXALDS0 281-919 AT&T SOUTHWEST COMCAST DIGITAL PHONE T-MOBILE HSTNTXGPDS0 HSTTTXNLPS0 HSTDTXBGCM5 281-670 VERIZON BUSINESS SPRINT NEXTEL YMAX COMMUNICATIONS HSTOTX46DS0 HSTGTXQC2MD HSTOTXRWDS5 281-414 VERIZON WIRELESS HSNOTX08CM3 281-226 SPRINT NEXTEL AT&T SOUTHWEST HSTGTXQC2MD HSTNTXAPDS0 281-936 YMAX COMMUNICATIONS AT&T SOUTHWEST HSTOTXRWDS5 HSTNTXMCDS0 HSTNTXUNDS0 281-692 AT&T SOUTHWEST COMCAST DIGITAL PHONE HSTNTXMADS0 HSTTTXNLPS0 281-775 AT&T SOUTHWEST TW TELECOM HSTNTXGPDS0 HSTOTX42DS0 281-489 AT&T SOUTHWEST HSTNTXMADS0 281-208 VERIZON SOUTHWEST - TX STFRTXXADS0 281-777 VERIZON WIRELESS T-MOBILE HSNOTX08CM3 HSTDTXBGCM5 281-925 TELEPORT COMMUNICATIONS GROUP HSTNTXGIDS0 281-717 VERIZON ACCESS TRANSMISSION SERVICES COMCAST DIGITAL PHONE HSTNTXGIDS1 HSTTTXNLPS1 281-733 VERIZON WIRELESS LEVEL 3 SPRINT NEXTEL HSTZTX16CM1 HSTQTX02DS0 HSTGTXQC1MD 281-509 AT&T SOUTHWEST SPRINT NEXTEL LEVEL 3 HSTNTXBUDS0 HSTGTXQC1MD HSTQTX02DS0 281-490 WINDSTREAM SGLDTXXEDS0 281-378 AT&T SOUTHWEST VERIZON BUSINESS LEVEL 3 CBEYOND TBLLTXKLDS0 HSTOTX46DS0 HSTQTX02DS0 HSTNTXJACA0 281-644 LEVEL 3 CONSOLIDATED COMMUNICATIONS HSTQTX02DS0 KATYTXXCRS0 281-480 AT&T SOUTHWEST HSTNTXAPDS0 281-454 AT&T SOUTHWEST SPRINT NEXTEL HSTNTXALDS0 HSTGTXQC1MD HSTNTXEHDS0 281-929 AT&T SOUTHWEST HSTNTXWLCG0 281-739 VERIZON WIRELESS CRICKET COMMUNICATIONS SPRINT PCS T-MOBILE HSTZTX16CM1 BYTWTXXAIMD HSTSTXGUCM0 HSTDTXBGCM5 281-708 VERIZON SOUTHWEST - TX BYTWTXXBRL0 281-909 LEVEL 3 AT&T SOUTHWEST GRANDE COMMUNICATIONS NETWORKS BANDWIDTH.COM CBEYOND HSTQTX02DS0 HSTNTXSERS1 HSTNTXCLX5Y HSTNTXGI1MD HSTNTXJACA0 281-603 GRANDE COMMUNICATIONS NETWORKS KEMHTXXB2MD 281-763 SPRINT PCS GLOBAL CROSSING LOCAL SERVICES INC SPRINT NEXTEL HSTSTXGUCM0 HSTNTX93X0X HSTGTXQC2MD 281-796 AT&T MOBILITY HSTNTXXJCM2 281-649 AT&T SOUTHWEST HSTNTXBUDS0 281-561 AT&T SOUTHWEST HSTNTXALDS0 281-786 XO COMMUNICATIONS INC SPRINT NEXTEL HSTOTXRWDS0 HSTGTXQC2MD 281-853 AT&T SOUTHWEST AT&T MOBILITY SPRINT NEXTEL LEVEL 3 HSTNTXAPDS0 HSTNTXXJCM0 HSTGTXQC2MD HSTQTX02DS0 281-373 AT&T SOUTHWEST CYPRTXCYDS1 281-447 AT&T SOUTHWEST HSTNTXAIDS0 281-518 AT&T SOUTHWEST HSTNTXGPDS0 281-446 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) HMBLTXXAPS0 281-974 VERIZON WIRELESS COMCAST DIGITAL PHONE AT&T MOBILITY HSNOTX08CM0 HSTTTXNLPS0 HSTNTXDNCM2 281-516 AT&T SOUTHWEST TW TELECOM TBLLTXTBDS0 HSTOTX42DS0 281-655 AT&T SOUTHWEST CAPROCK TELECOMMUNICATIONS TBLLTXKLDS0 HSTATX75DS0 281-728 VERIZON WIRELESS HSTZTX16CM1 281-605 T-MOBILE XO COMMUNICATIONS INC VERIZON WIRELESS HSTDTXBGCM5 HSTOTXRWDS0 HSNOTX08CM0 281-291 AT&T SOUTHWEST HSTNTXSERS1 281-433 AT&T MOBILITY HSTNTXXJCM2 281-519 GLOBAL CROSSING LOCAL SERVICES INC CBEYOND HSTNTX93X0X HSTNTXJACA0 281-265 WINDSTREAM SGLDTXXDDS0 281-679 AT&T SOUTHWEST HSTNTXBUDS0 281-540 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) HMBLTXXAPS0 281-746 VERIZON BUSINESS SPRINT NEXTEL AT&T INTERNET SERVICES BANDWIDTH.COM HSTOTX46DS0 HSTGTXQC1MD HSTNTX016MD HSTNTXGI1MD 281-923 VERIZON WIRELESS HSTZTX16CM1 281-246 ETS TELEPHONE COMPANY HSTOTXORDS1 281-659 AT&T SOUTHWEST VERIZON WIRELESS CLEVTXCLDS0 HSNOTX08CM0 281-444 AT&T SOUTHWEST HSTNTXBADS0 281-535 VERIZON SOUTHWEST - TX KEMHTXXADS0 281-767 GRANDE COMMUNICATIONS NETWORKS ETS TELEPHONE COMPANY COMCAST DIGITAL PHONE HSTNTXCLX5Y HSTOTXORDS1 HSTTTXNLPS0 281-210 TW TELECOM SPRINT PCS T-MOBILE SPRINT NEXTEL HSTOTX42DS0 HSTSTXGUCM1 HSTDTXBGCM5 HSTGTXQC2MD 281-991 AT&T SOUTHWEST HSTNTXEERS0 281-200 LOGIX COMMUNICATIONS HSTNTXSXDS1 281-920 AT&T SOUTHWEST HSTNTXBUDS0 281-304 AT&T SOUTHWEST COMCAST DIGITAL PHONE CYPRTXCYDS1 HSTTTXNLPS1 281-455 AT&T MOBILITY HSTNTXXJCM2 281-877 AT&T SOUTHWEST T-MOBILE HSTNTXGPDS0 HSTDTXBGCM5 281-526 VERIZON SOUTHWEST - TX LGCYTXXAH02 281-640 GLOBAL CROSSING LOCAL SERVICES INC TELEPORT COMMUNICATIONS GROUP CBEYOND HSTNTX93X0X HSTNTXGIDS0 HSTNTXJACA0 281-818 T-MOBILE HSTDTXBGCM5 281-336 LEVEL 3 VERIZON SOUTHWEST - TX FEATURE GROUP IP HSTQTX02DS0 NSBYTXXADS1 HSTQTXRG6MD 281-324 LEVEL 3 VERIZON SOUTHWEST - TX SPRINT HSTQTX02DS0 HFMNTXXADS0 NCGDTXNCBMD 281-658 AT&T MOBILITY HSTNTXXJCM2 281-382 VERIZON WIRELESS HSNOTX08CM3 281-345 AT&T SOUTHWEST HSTNTXLADS0 281-691 T-MOBILE VERIZON ACCESS TRANSMISSION SERVICES SPRINT NEXTEL TELEPORT COMMUNICATIONS GROUP HSTDTXBGCM5 HSTNTXGIDS1 HSTGTXQC1MD HSTNTXGIDS0 281-993 AT&T SOUTHWEST COMCAST DIGITAL PHONE HSTNTXFRDS0 HSTTTXNLPS1 281-248 AT&T LOCAL T-MOBILE XO COMMUNICATIONS INC AT&T SOUTHWEST CBEYOND HSTNTX01DS2 HSTDTXBGCM5 HSTOTXRWDS0 HSTNTXGPDS0 HSTNTXJACA0 281-468 AT&T MOBILITY HSTNTXDNCM5 281-834 VERIZON SOUTHWEST - TX BYTWTXXADS0 281-737 AT&T SOUTHWEST HSTNTXSADS0 281-569 TW TELECOM XO COMMUNICATIONS INC HSTOTX42DS0 HSTOTXRWDS3 281-557 VERIZON SOUTHWEST - TX LEVEL 3 LGCYTXXADS0 HSTQTX02DS0 281-276 WINDSTREAM SGLDTXXEDS0 281-225 ETS TELEPHONE COMPANY HSTOTXORDS1 281-788 SPRINT PCS HSTHTXENCM0 281-386 VERIZON WIRELESS HSNOTX08CM3 281-242 WINDSTREAM SGLDTXXEDS0 281-740 VERIZON WIRELESS HSNOTX08CM0 281-533 AT&T SOUTHWEST WORLDCALL INTERCONNECT FEATURE GROUP IP VLLDTXVLDS0 HSTQTXRG6MD 281-824 AT&T SOUTHWEST CBEYOND VERIZON WIRELESS VERIZON BUSINESS COMCAST DIGITAL PHONE ALVNTXALDS0 HSTNTXJACA0 HSTZTX16CM1 HSTOTX46DS0 HSTTTXNLPS1 281-642 SPRINT NEXTEL HSTGTXQC1MD 281-476 AT&T SOUTHWEST XO COMMUNICATIONS INC HSTNTXDPDS0 HSTOTXRWDS3 281-793 AT&T MOBILITY HSTNTXXJCM2 281-204 TELEPORT COMMUNICATIONS GROUP SPRINT NEXTEL CBEYOND HSTNTXGIDS0 HSTGTXQC2MD HSTNTXJACA0 281-606 LEVEL 3 CBEYOND XO COMMUNICATIONS INC HSTQTX02DS0 HSTNTXJACA0 HSTOTXRWDS0 281-410 GRANDE COMMUNICATIONS NETWORKS BANDWIDTH.COM TELEPORT COMMUNICATIONS GROUP HSTNTXCLX5Y HSTNTXGI1MD HSTNTX01DS5 281-566 WINDSTREAM SGLDTXXEDS0 281-842 AT&T SOUTHWEST HSTNTXLPDS0 281-315 AT&T SOUTHWEST HSTNTXBADS0 281-292 AT&T SOUTHWEST SPRNTXNODS0 281-597 AT&T SOUTHWEST HSTNTXBUDS0 281-260 AT&T SOUTHWEST HSTNTXAIDS0 281-661 COMCAST DIGITAL PHONE BIG RIVER TELEPHONE COMPANY VERIZON BUSINESS CAPROCK TELECOMMUNICATIONS HSTTTXNLPS0 HMBLTXXABMD HSTOTX46DS0 HSTATX75DS0 281-556 AT&T SOUTHWEST HSTNTXBUDS0 281-328 VERIZON SOUTHWEST - TX CRSBTXXADS1 281-456 AT&T SOUTHWEST LEVEL 3 HSTNTXSHRS0 HSTQTX02DS0 281-554 VERIZON SOUTHWEST - TX LGCYTXXADS0 281-814 AT&T MOBILITY HSTNTXXJCM2 281-756 AT&T SOUTHWEST LEVEL 3 ALVNTXALDS0 HSTQTX02DS0 281-616 AT&T SOUTHWEST LEVEL 3 XO COMMUNICATIONS INC HSTNTXBRDS0 HSTQTX02DS0 HSTOTXRWDS0 281-845 TW TELECOM BANDWIDTH.COM HSTOTX42DS0 HSTNTXGI1MD 281-374 AT&T SOUTHWEST CBEYOND LEVEL 3 TBLLTXKLDS0 HSTNTXJACA0 HSTQTX02DS0 281-416 AT&T SOUTHWEST COMCAST DIGITAL PHONE SPRINT NEXTEL HSTNTXBWDS0 HSTTTXNLPS1 HSTGTXQC1MD 281-836 AT&T INTERNET SERVICES TELEPORT COMMUNICATIONS GROUP HSTNTX016MD HSTNTXGIDS0 281-303 VERIZON SOUTHWEST - TX SPRINT NEXTEL LEVEL 3 BHCYTXXADS0 HSTGTXQC1MD HSTNTXYADS0 281-443 AT&T SOUTHWEST HSTNTXWEDS0 CallerSearch Home Resources About Contact Login search-form