817 (Texas)

714 Blocks Found in Area 817 - List All

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Block Name Assigned To Switches 817-944 AT&T MOBILITY CRTNTX35GT2 817-238 AT&T SOUTHWEST CHARTER TELEPHONE FTWOTXLWDS0 FTWPTXZPPS0 817-539 AT&T SOUTHWEST LEVEL 3 VERIZON BUSINESS AT&T LOCAL BIRCH COMMUNICATIONS OF THE SOUTHWEST FTWOTXBRDS0 DLLSTX97DSA IRNGTXLBDS0 FTWOTXEDDS4 DLLSTX64DS3 817-292 AT&T SOUTHWEST FTWOTXAXDS0 817-794 AT&T SOUTHWEST FTWOTXCRDS0 817-859 COMCAST DIGITAL PHONE TELEPORT COMMUNICATIONS GROUP DLLBTXPVDS0 817-923 AT&T SOUTHWEST FTWOTXWACG0 817-921 AT&T SOUTHWEST FTWOTXWACG0 817-901 AT&T MOBILITY CRTNTX35GT2 817-369 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-395 XO COMMUNICATIONS AT&T MOBILITY DLLSTX978MD CRTNTX35GT2 817-850 AT&T SOUTHWEST FTWOTXEDDS0 817-566 CAPROCK TELECOMMUNICATIONS LEVEL 3 METROPCS WIRELESS BIRCH COMMUNICATIONS OF THE SOUTHWEST DLLSTXHMDS0 DLLSTX97DSA PLANTXXZCM1 PLANTXXZCM2 DLLSTX64DS3 817-639 TW TELECOM DLLSTX37DC0 817-347 AT&T SOUTHWEST FTWOTXEDDS5 817-413 AT&T SOUTHWEST FTWOTXJECG0 817-247 AT&T MOBILITY CRTNTX35GT2 817-793 T-MOBILE DLLTTX01CM3 817-733 AT&T MOBILITY CRTNTX35CM5 RCSOTXGMG00 FRBRTXBLCM1 817-813 VERIZON SOUTHWEST - TX AZLETXXADS0 817-286 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-427 AT&T SOUTHWEST FTWOTXBUDS0 817-986 LEVEL 3 METROPCS WIRELESS FTWQTXXTDS0 PLANTXXZCM2 817-928 GLOBAL CROSSING LOCAL SERVICES INC XO COMMUNICATIONS INC AT&T SOUTHWEST FTWQTXDE3MD DLLSTXSQDS0 FTWOTXCEDS0 817-592 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-558 AT&T SOUTHWEST CLBNTXMIDS0 817-519 TEL WEST NETWORK SERVICES CORPORATION DLLSTXHWDS0 817-318 AT&T SOUTHWEST SPRINT NEXTEL FTWOTXEUDS0 FRBRTXFN1MD 817-838 AT&T SOUTHWEST FTWOTXTEDS0 817-695 AT&T SOUTHWEST CBEYOND DLLSTXMCDS0 DLLSTX97CA0 817-773 AT&T MOBILITY CRTNTX35CM2 817-809 GRANDE COMMUNICATIONS NETWORKS FTWOTXEDCMD 817-878 AT&T SOUTHWEST FTWOTXEDDS5 817-849 METROPCS WIRELESS AT&T SOUTHWEST PLANTXXZCM2 FTWOTXBUDS0 817-270 VERIZON SOUTHWEST - TX AZLETXXADS0 817-569 AT&T SOUTHWEST FTWOTXPEDS0 817-797 SPRINT PCS FTWPTXNL1MD 817-714 T-MOBILE DLLTTX01CM3 817-761 AT&T LOCAL 360NETWORKS (USA) INC FTWOTXEDDS4 DLLSTX645MD 817-752 GLOBAL CROSSING LOCAL SERVICES INC 360NETWORKS (USA) INC FTWQTXDE3MD DLLSTX645MD 817-385 AT&T SOUTHWEST LEVEL 3 BIRCH COMMUNICATIONS OF THE SOUTHWEST DLLSTXMCDS0 DLLATX37DS0 DLLSTX64DS3 817-329 VERIZON SOUTHWEST - TX GRPVTXXADS0 817-633 AT&T SOUTHWEST DLLSTXMCDS0 817-726 SPRINT PCS FTWPTXNL1MD 817-641 AT&T SOUTHWEST CLBNTXMIDS0 817-770 METROPCS WIRELESS TELEPORT COMMUNICATIONS GROUP PLANTXXZCM2 DLLSTXTLDS8 817-848 AT&T SOUTHWEST FTWOTXEUDS0 817-207 AT&T SOUTHWEST FTWOTXWACG0 817-549 XO COMMUNICATIONS INC DLLSTXSQDS0 817-820 AT&T SOUTHWEST FTWOTXEDDS5 817-730 AT&T SOUTHWEST FTWOTXEDDS0 817-678 LEVEL 3 DLLSTX97DSA 817-804 AT&T SOUTHWEST FTWOTXCRDS1 817-551 AT&T SOUTHWEST FTWOTXECDS0 817-909 VERIZON WIRELESS GRPRTXJPCM1 817-565 AT&T MOBILITY 1STEL INC CRTNTX35CM2 CLBNTXCIDS0 817-853 TEX-LINK COMMUNICATIONS INC DLLSTXBKDS0 817-405 LEVEL 3 1STEL INC 360NETWORKS (USA) INC BANDWIDTH.COM FTWQTXXTDS0 CLBNTXCIDS0 DLLSTX645MD DLLSTX37XWZ 817-732 AT&T SOUTHWEST FTWOTXPEDS0 817-962 SPRINT AT&T SOUTHWEST LEVEL 3 T-MOBILE FTWOTX523GT FTWOTXCRDS0 DLLATX37DS0 DLLSTXMCDS0 DLLTTX01CM3 817-283 AT&T SOUTHWEST FTWOTXEUDS0 817-636 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) RHMETXXARS0 817-648 AT&T SOUTHWEST AT&T MOBILITY CLBNTXMIDS0 CRTNTX35GT2 817-679 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXCRDS0 PLANTXXZCM2 817-816 AT&T SOUTHWEST DLLSTXMCDS0 817-623 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-889 AT&T MOBILITY FRBRTXBLCM2 CRTNTX35GT2 817-635 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-722 TELEPORT COMMUNICATIONS GROUP COMCAST DIGITAL PHONE DLLSTXTLDS8 817-784 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXARDS0 PLANTXXZCM2 817-535 AT&T SOUTHWEST FTWOTXJECG0 817-531 AT&T SOUTHWEST FTWOTXJECG0 817-969 LEVEL 3 AT&T LOCAL FTWQTXXTDS0 ADMSTX01DS1 817-510 CBEYOND CHARTER TELEPHONE YMAX COMMUNICATIONS DLLSTX97CA0 FTWPTXZPPS0 DLLSTXSQDS4 817-757 AT&T LOCAL VERIZON WIRELESS LEVEL 3 METROPCS WIRELESS AT&T INTERNET SERVICES FTWOTXEDDS4 GRPRTXJPCM1 DLLATX37DS4 PLANTXXZCM2 RCSNTXHVGT0 817-430 AT&T SOUTHWEST RONKTXWODS0 817-788 AT&T SOUTHWEST FTWOTXBUDS0 817-359 AT&T SOUTHWEST FTWOTXEUDS0 817-209 GRANDE COMMUNICATIONS NETWORKS SPRINT PCS FRSCTXBJ2MD FTWPTXNLCM0 817-627 GRANDE COMMUNICATIONS NETWORKS SPRINT PCS FRSCTXBJ2MD FTWPTXNLCM0 817-324 TW TELECOM DLLSTX37DC0 817-631 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-586 LEVEL 3 BIRCH COMMUNICATIONS OF THE SOUTHWEST AT&T MOBILITY DLLSTX97DSA DLLSTXTADS2 CRTNTX35CM5 817-308 AT&T MOBILITY CRTNTX35GT2 817-805 AT&T MOBILITY CRTNTX35GT2 817-867 AT&T SOUTHWEST FTWOTXEDDS3 817-556 AT&T SOUTHWEST AT&T MOBILITY CLBNTXMIDS0 CRTNTX35GT2 817-925 AT&T MOBILITY CRTNTX35GT2 817-882 AT&T SOUTHWEST FTWOTXEDDS5 817-215 AT&T SOUTHWEST FTWOTXEDDS3 817-790 AT&T SOUTHWEST 1STEL INC ALVDTXTIRS0 CLBNTXCIDS0 817-514 AT&T SOUTHWEST FTWOTXBUDS0 817-685 AT&T SOUTHWEST FTWOTXEUDS0 817-913 VERIZON WIRELESS GRPRTXJPCM1 817-774 AT&T SOUTHWEST VERIZON WIRELESS CHARTER TELEPHONE INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX CLBNTXMIDS0 GRPRTXJPCM1 FTWPTXZPPS0 DLLSTX37D0S 817-603 TW TELECOM DLLSTX37DC0 817-964 AT&T MOBILITY AT&T INTERNET SERVICES SPRINT NEXTEL VERIZON WIRELESS CRTNTX35CM2 RCSNTXHVGT0 FRBRTXFN1MD GRPRTXJPCM1 CRTNTX35GT2 817-255 AT&T SOUTHWEST FTWOTXEDDS3 817-460 AT&T SOUTHWEST FTWOTXCRDS0 817-839 360NETWORKS (USA) INC VERIZON BUSINESS DLLSTX645MD IRNGTXLBDS0 817-587 1STEL INC CLBNTXCIDS0 817-502 INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX LEVEL 3 DLLSTX37D0S DLLSTX97DSA 817-234 AT&T SOUTHWEST FTWOTXCEDS0 817-698 AT&T SOUTHWEST FTWOTXEDDS3 817-397 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-487 AT&T MOBILITY PATHWAY COM-TEL INC CRTNTX35CM2 BLSNTXBNDS0 817-393 XO COMMUNICATIONS INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX CAPROCK TELECOMMUNICATIONS DLLSTX978MD DLLSTX37D0S DLLSTXHMDS0 817-412 AT&T MOBILITY AT&T SOUTHWEST METROPCS WIRELESS XO COMMUNICATIONS INC CRTNTX35GT2 FTWOTXEDDS3 PLANTXXZCM2 DLLSTXSQDS2 817-295 AT&T SOUTHWEST FTWOTXBNDS0 817-869 TW TELECOM DLLSTX37DC0 817-615 METROPCS WIRELESS AT&T SOUTHWEST PLANTXXZCM2 FTWOTXECDS0 817-742 ONESOURCE COMMUNICATIONS KLLRTX02DS0 817-745 ONESOURCE COMMUNICATIONS KLLRTX02DS0 817-708 TW TELECOM DLLSTX37DC0 817-985 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-375 AT&T SOUTHWEST FTWOTXARDS0 817-578 AT&T SOUTHWEST AT&T MOBILITY GRBYTXRADS0 CRTNTX35CM2 817-637 SPRINT PCS FTWPTXNL1MD 817-284 AT&T SOUTHWEST FTWOTXATCG0 817-537 CAPROCK TELECOMMUNICATIONS AT&T INTERNET SERVICES DLLSTXHMDS0 RCSNTXHVGT0 817-269 AT&T MOBILITY CRTNTX35GT2 817-240 GRANDE COMMUNICATIONS NETWORKS AT&T MOBILITY DLLSTX37DS8 CRTNTX35CM2 CRTNTX35GT2 817-468 AT&T SOUTHWEST FTWOTXARDS0 817-449 SPRINT NEXTEL AT&T SOUTHWEST CHARTER TELEPHONE T-MOBILE METROPCS WIRELESS FRBRTXFN1MD FTWOTXARDS0 FTWPTXZPPS0 DLLTTX01CM3 PLANTXXZCM2 817-885 METROPCS WIRELESS AT&T SOUTHWEST FOREMOST TELECOMMUNICATIONS PLANTXXZCM2 FTWOTXEDDS5 DLLUTXJRDS1 817-515 AT&T SOUTHWEST FTWOTXEDDS3 817-776 VERIZON WIRELESS AT&T MOBILITY LEVEL 3 SPRINT NEXTEL GRPRTXJPCM1 FRBRTXBLCM1 DLLATX37DS4 CRTNTX35GT2 FRBRTXFN1MD 817-319 AT&T MOBILITY CRTNTX35GT2 817-203 AT&T INTERNET SERVICES VERIZON BUSINESS RCSNTXHVGT0 IRNGTXLBDS0 817-989 AT&T SOUTHWEST LEVEL 3 FTWOTXPEDS0 FTWQTXXTDS0 817-372 AT&T MOBILITY FRBRTXBLCM1 817-428 AT&T SOUTHWEST FTWOTXBUDS0 817-305 VERIZON SOUTHWEST - TX METROPCS WIRELESS AT&T LOCAL XO COMMUNICATIONS INC GRPVTXXADS0 PLANTXXZCM2 ADMSTX011MD DLLSTXSQDS2 817-835 AT&T SOUTHWEST FTWOTXEUDS0 817-597 AT&T SOUTHWEST WTFRTXLYDS0 817-463 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-572 AT&T SOUTHWEST FTWOTXKEDS0 817-288 TW TELECOM DLLSTX37DC0 817-332 AT&T SOUTHWEST FTWOTXEDDS5 817-494 YMAX COMMUNICATIONS AT&T INTERNET SERVICES AT&T SOUTHWEST DLLSTXSQDS4 RCSNTXHVGT0 FTWOTXEUDS0 817-323 METROPCS WIRELESS AT&T SOUTHWEST PLANTXXZCM2 DLLSTXMCDS0 817-583 AT&T MOBILITY VERIZON WIRELESS VERIZON ACCESS TRANSMISSION SERVICES CRTNTX35GT2 GRPRTXJPCM1 DLLSTXJFDS0 817-475 AT&T MOBILITY CRTNTX35GT2 817-304 AT&T MOBILITY CRTNTX35GT2 817-710 WESTEL INC CBEYOND YMAX COMMUNICATIONS FTWPTXWCX4X DLLSTX97CA0 DLLSTXSQDS4 817-934 1STEL INC CLBNTXCIDS0 817-257 AT&T SOUTHWEST FTWOTXEDDS3 817-291 AT&T MOBILITY CRTNTX35GT2 817-265 AT&T SOUTHWEST FTWOTXCRDS1 817-442 VERIZON SOUTHWEST - TX GRPVTXXADS0 817-591 LEVEL 3 BIRCH COMMUNICATIONS OF THE SOUTHWEST FTWQTXXTDS0 DLLSTX64DS3 817-419 AT&T SOUTHWEST FTWOTXARDS0 817-753 INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX GLOBAL CROSSING LOCAL SERVICES INC AT&T TEXAS DLLSTX37D0S FTWQTXDE3MD RONKTXWODS0 817-277 AT&T SOUTHWEST FTWOTXCRDS1 817-409 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 FTWOTXEDCMD DLLSTX97DSA 817-309 WINDSTREAM GDLYTXXADS0 817-628 XO COMMUNICATIONS DLLSTX978MD 817-521 SPRINT PCS FTWPTXNLCM0 817-345 AT&T LOCAL XO COMMUNICATIONS INC VERIZON BUSINESS FTWOTXEDDS4 DLLSTXSQDS0 IRNGTXLBDS0 817-474 AT&T SOUTHWEST RONKTXWODS0 817-574 TW TELECOM DLLSTX37DC0 817-718 AT&T MOBILITY CRTNTX35CM2 CRTNTX35GT2 RCSOTXGMCM5 817-877 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXEDDS5 PLANTXXZCM2 817-343 AT&T MOBILITY CRTNTX35GT2 817-676 AT&T SOUTHWEST VERIZON WIRELESS BIRCH COMMUNICATIONS OF THE SOUTHWEST DLLSTXMCDS0 GRPRTXJPCM1 DLLSTX64DS3 817-680 SPRINT PCS FTWPTXNL1MD 817-739 AT&T MOBILITY CRTNTX35CM5 FRBRTXBLG01 817-243 GRANDE COMMUNICATIONS NETWORKS SPRINT NEXTEL AT&T MOBILITY DLLSTX37DS8 FRBRTXFN1MD CRTNTX35GT2 FRBRTXBLCM1 817-506 LEVEL 3 LEVEL 3 DLLSTX97DSA FTWQTXXTDS0 817-570 AT&T SOUTHWEST FTWOTXPEDS0 817-894 AT&T MOBILITY SPRINT PCS SPRINT NEXTEL CRTNTX35CM2 FTWPTXNL1MD FRBRTXFN1MD 817-575 TW TELECOM AT&T MOBILITY DLLSTX37DC0 CRTNTX35GT2 817-713 AT&T MOBILITY CRTNTX35GT2 817-545 AT&T SOUTHWEST FTWOTXEUDS0 817-491 AT&T SOUTHWEST RONKTXWODS0 817-984 VERIZON BUSINESS LEVEL 3 CBEYOND IRNGTXLBDS0 FTWQTXXTDS0 DLLSTX97CA0 817-924 AT&T SOUTHWEST FTWOTXWACG0 817-994 AT&T MOBILITY CRTNTX35GT2 817-904 GRANDE COMMUNICATIONS NETWORKS FTWOTXEDCMD 817-952 AT&T SOUTHWEST CAPROCK TELECOMMUNICATIONS FTWOTXEUDS0 DLLSTXHMDS0 817-956 AT&T SOUTHWEST FTWOTXEUDS0 817-342 TW TELECOM DLLSTX37DC0 817-765 GLOBAL CROSSING LOCAL SERVICES INC FTWQTXDE3MD 817-421 VERIZON SOUTHWEST - TX GRPVTXXADS0 817-241 GRANDE COMMUNICATIONS NETWORKS FTWOTXEDCMD 817-799 TELEPORT COMMUNICATIONS GROUP DLLSTXTLDS8 817-306 AT&T SOUTHWEST FTWOTXCEDS0 817-488 VERIZON SOUTHWEST - TX GRPVTXXADS0 817-212 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXEDDS0 PLANTXXZCM2 817-543 AT&T SOUTHWEST FTWOTXCRDS1 817-777 AT&T SOUTHWEST FTWOTXEDDS3 817-355 AT&T SOUTHWEST FTWOTXEUDS0 817-505 TELEPORT COMMUNICATIONS GROUP VERIZON WIRELESS DLLBTXPVDS0 GRPRTXJPCM1 817-684 AT&T SOUTHWEST FTWOTXEUDS0 817-632 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-963 AT&T SOUTHWEST FTWOTXEUDS0 817-476 GRANDE COMMUNICATIONS NETWORKS MCLEODUSA A PAETEC COMPANY FRSCTXBJ2MD DLLSTXHMDS0 817-202 AT&T SOUTHWEST AT&T MOBILITY CLBNTXMIDS0 CRTNTX35GT2 817-382 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 FTWOTXEDCMD FTWQTXXTDS0 817-860 AT&T SOUTHWEST FTWOTXCRDS1 817-478 AT&T SOUTHWEST FTWOTXKEDS0 817-374 INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX AT&T MOBILITY LEVEL 3 METROPCS WIRELESS DLLSTX37D0S CRTNTX35CM2 DLLATX37DS4 PLANTXXZCM2 817-221 VERIZON SOUTHWEST - TX CHARTER TELEPHONE RENPTXXADS0 FTWPTXZPPS0 817-279 AT&T SOUTHWEST GRBYTXRADS0 817-337 VERIZON SOUTHWEST - TX KLLRTXXADS0 817-762 AT&T SOUTHWEST FTWOTXPEDS0 817-226 SPRINT PCS AT&T SOUTHWEST FTWPTXNLCM0 FTWOTXCRDS1 817-607 AT&T SOUTHWEST YMAX COMMUNICATIONS DLLSTXMCDS0 DLLSTXSQDS4 817-868 AT&T SOUTHWEST FTWOTXEUDS0 817-224 AT&T SOUTHWEST XO COMMUNICATIONS INC VERIZON BUSINESS RONKTXWODS0 DLLSTXSQDS0 IRNGTXLBDS0 817-656 AT&T SOUTHWEST FTWOTXBUDS0 817-378 AT&T SOUTHWEST AT&T INTERNET SERVICES METROPCS WIRELESS FTWOTXMADS0 RCSNTXHVGT0 PLANTXXZCM2 817-801 AT&T SOUTHWEST FTWOTXCRDS0 817-763 AT&T SOUTHWEST FTWOTXPEDS0 817-997 LEVEL 3 DLLATX37DS0 817-507 CBEYOND CHARTER TELEPHONE AT&T MOBILITY DLLSTX97CA0 FTWPTXZPPS0 CRTNTX35CM5 817-472 AT&T SOUTHWEST FTWOTXARDS0 817-274 AT&T SOUTHWEST FTWOTXCRDS1 817-294 AT&T SOUTHWEST FTWOTXAXDS0 817-220 VERIZON SOUTHWEST - TX SPTWTXXADS0 817-448 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXCIDS0 PLANTXXZCM2 817-424 VERIZON SOUTHWEST - TX GRPVTXXADS0 817-841 METROPCS WIRELESS AT&T SOUTHWEST LEVEL 3 PLANTXXZCM2 FTWOTXEDDS3 FTWQTXXTDS0 817-736 LEVEL 3 AT&T LOCAL DLLSTX97DSA FTWOTXEDDS4 817-931 AT&T SOUTHWEST FTWOTXEUDS0 817-949 VERIZON SOUTHWEST - TX GRPVTXXARS0 817-358 AT&T SOUTHWEST FTWOTXEUDS0 817-546 CBEYOND DLLSTX97CA0 817-807 VERIZON WIRELESS AT&T LOCAL GRPRTXJPCM1 FTWOTXEDDS4 817-422 VERIZON WIRELESS LEVEL 3 GRPRTXJPCM1 DLLATX37DS0 817-348 AT&T SOUTHWEST FTWOTXEDDS5 FTWOTXECDS0 817-865 LEVEL 3 CBEYOND DLLSTX97DSA DLLSTX97CA0 817-766 GLOBAL CROSSING LOCAL SERVICES INC FEATURE GROUP IP XO COMMUNICATIONS INC FTWQTXDE3MD DLLSTX3769Z DLLSTXSQDS2 817-657 SPRINT PCS FTWPTXNL1MD 817-431 VERIZON SOUTHWEST - TX KLLRTXXADS0 817-236 AT&T SOUTHWEST FTWOTXBERS0 817-509 TW TELECOM DLLSTX37DC0 817-341 AT&T SOUTHWEST CHARTER TELEPHONE AT&T MOBILITY WTFRTXLYDS0 FTWPTXZPPS0 CRTNTX35GT2 817-806 TELEPORT COMMUNICATIONS GROUP CBEYOND METROPCS WIRELESS DLLBTXPVDS0 DLLSTX97CA0 PLANTXXZCM2 817-250 AT&T SOUTHWEST FTWOTXEDDS5 817-912 AT&T TEXAS CHARTER TELEPHONE RONKTXWODS0 FTWPTXZPPS0 817-891 T-MOBILE DLLTTX01CM3 817-589 AT&T SOUTHWEST FTWOTXATCG0 817-417 AT&T SOUTHWEST CBEYOND FTWOTXARDS0 DLLSTX97CA0 817-437 AT&T MOBILITY CRTNTX35GT2 817-907 AT&T MOBILITY CRTNTX35GT2 817-446 AT&T SOUTHWEST FTWOTXGLCG0 817-568 AT&T SOUTHWEST FTWOTXECDS0 817-748 ONESOURCE COMMUNICATIONS KLLRTX02DS0 817-205 GRANDE COMMUNICATIONS NETWORKS AT&T MOBILITY SPRINT NEXTEL FTWOTXEDCMD CRTNTX35CM2 FRBRTXFN1MD 817-861 AT&T SOUTHWEST FTWOTXCRDS1 817-876 VERIZON WIRELESS GRPRTXJPCM1 817-644 GRANDE COMMUNICATIONS NETWORKS DLLSTX37PS0 817-588 AT&T SOUTHWEST FTWOTXCRDS0 817-433 AT&T SOUTHWEST FTWOTXAXDS0 817-728 TEL WEST NETWORK SERVICES CORPORATION DLLSTXHWDS0 817-837 AT&T SOUTHWEST RONKTXWODS0 817-399 AT&T SOUTHWEST FTWOTXEUDS0 817-751 VERIZON WIRELESS 360NETWORKS (USA) INC GRPRTXJPCM1 DLLSTX645MD 817-772 INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX BIRCH COMMUNICATIONS OF THE SOUTHWEST AT&T LOCAL DLLSTX37D0S DLLSTX64DS3 FTWOTXEDDS6 817-825 SPRINT NEXTEL FRBRTXFN1MD 817-933 AT&T MOBILITY CRTNTX35GT2 CRTNTX35CM2 817-300 SPRINT PCS FTWPTXNLCM2 817-906 VERIZON SOUTHWEST - TX GRPVTXXARS0 817-712 TW TELECOM DLLSTX37DC0 817-785 VERIZON BUSINESS AT&T LOCAL IRNGTXLBDS0 FTWOTXEDDS4 817-297 AT&T SOUTHWEST FTWOTXBYDS0 817-783 AT&T SOUTHWEST ALVDTXTIRS0 817-737 AT&T SOUTHWEST FTWOTXPEDS0 817-938 SPRINT PCS FTWPTXNL1MD 817-756 INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX LEVEL 3 GLOBAL CROSSING LOCAL SERVICES INC DLLSTX37D0S DLLATX37DS0 FTWQTXDE3MD 817-461 AT&T SOUTHWEST FTWOTXCRDS0 817-792 AT&T SOUTHWEST FTWOTXCRDS1 817-344 METROPCS WIRELESS AT&T LOCAL AT&T SOUTHWEST PLANTXXZCM2 FTWOTXEDDS4 FTWOTXPEDS0 817-829 SPRINT NEXTEL FRBRTXFN1MD 817-758 TEX-LINK COMMUNICATIONS INC DLLSTXBK8MD 817-495 AT&T SOUTHWEST METROPCS WIRELESS FEATURE GROUP IP FTWOTXPEDS0 PLANTXXZCM2 DLLSTX3769Z 817-749 ONESOURCE COMMUNICATIONS KLLRTX02DS0 817-874 SPRINT PCS FTWPTXNL1MD 817-655 METROPCS WIRELESS AT&T SOUTHWEST PLANTXXZCM2 FTWOTXEDDS3 817-362 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-259 TEX-LINK COMMUNICATIONS INC DLLSTXBKDS0 817-810 AT&T SOUTHWEST FTWOTXEDDS5 FTWOTXPEDS0 817-899 AT&T MOBILITY METROPCS WIRELESS CRTNTX35GT2 PLANTXXZCM2 CRTNTX35CM5 817-496 AT&T SOUTHWEST FTWOTXGLCG0 817-595 AT&T SOUTHWEST FTWOTXATCG0 817-392 AT&T SOUTHWEST FTWOTXEDDS3 817-864 AT&T SOUTHWEST FTWOTXEUDS0 817-248 AT&T SOUTHWEST FTWOTXEDDS3 817-237 AT&T SOUTHWEST FTWOTXLWDS0 817-929 AT&T MOBILITY CRTNTX35GT2 817-552 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-584 AT&T MOBILITY CRTNTX35CM5 817-735 AT&T SOUTHWEST FTWOTXPEDS0 817-361 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXAXDS0 PLANTXXZCM2 817-201 AT&T MOBILITY FRBRTXBLCM1 817-367 AT&T SOUTHWEST FTWOTXWSDS0 817-401 SPRINT NEXTEL FRBRTXFN1MD 817-445 TW TELECOM DLLSTX37DC0 817-683 SPRINT PCS FTWPTXNLCM2 817-803 BIRCH COMMUNICATIONS OF THE SOUTHWEST 1STEL INC LEVEL 3 DLLSTX64DS3 CLBNTXCIDS0 FTWQTXXTDS0 DLLSTXTADS2 817-724 VERIZON SOUTHWEST - TX METROPCS WIRELESS GRPVTXXADS0 PLANTXXZCM2 817-516 AT&T SOUTHWEST VERIZON ACCESS TRANSMISSION SERVICES BIRCH COMMUNICATIONS OF THE SOUTHWEST AT&T INTERNET SERVICES FTWOTXKEDS0 DLLSTXJFDS0 DLLSTX64DS3 RCSNTXHVGT0 817-866 WINDSTREAM GDVWTXXADS0 817-481 VERIZON SOUTHWEST - TX GRPVTXXADS0 817-830 TW TELECOM DLLSTX37DC0 817-939 SPRINT PCS FTWPTXNL1MD 817-991 AT&T MOBILITY CRTNTX35GT2 817-768 GLOBAL CROSSING LOCAL SERVICES INC YMAX COMMUNICATIONS FTWQTXDE3MD DLLSTXSQDS4 817-642 GRANDE COMMUNICATIONS NETWORKS YMAX COMMUNICATIONS DLLSTX37PS0 DLLSTXSQDS4 817-503 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXBUDS0 PLANTXXZCM2 817-598 AT&T SOUTHWEST WTFRTXLYDS0 817-847 AT&T SOUTHWEST FTWOTXCEDS0 817-532 GLOBAL CROSSING LOCAL SERVICES INC SPRINT NEXTEL FTWQTXDE3MD FRBRTXFN1MD 817-822 SPRINT NEXTEL FRBRTXFN1MD 817-264 AT&T SOUTHWEST SPRINT NEXTEL YMAX COMMUNICATIONS RONKTXWORS2 FRBRTXFN1MD FTWOTXEDDS3 DLLSTXSQDS4 FTWOTXCERS2 FTWOTXTERS2 FTWOTXAXRS2 FTWOTXECRS2 817-626 AT&T SOUTHWEST FTWOTXMADS0 817-529 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-230 AT&T SOUTHWEST METROPCS WIRELESS LEVEL 3 FTWOTXCEDS0 PLANTXXZCM2 DLLSTX97DSA 817-492 AT&T SOUTHWEST FTWOTXGLCG0 817-619 AT&T SOUTHWEST DLLSTXMCDS0 817-316 AT&T SOUTHWEST FTWOTXCRRS2 FTWOTXATRS2 FTWOTXARRS2 RONKTXWORS1 FTWOTXEURS2 FTWOTXEDDS3 FTWOTXGLRS2 FTWOTXKERS2 FTWOTXBRRS2 FTWOTXBURS2 817-335 AT&T SOUTHWEST FTWOTXEDDS5 817-719 LEVEL 3 SPRINT PCS DLLSTX97DSA FTWPTXNLCM0 817-368 AT&T MOBILITY CRTNTX35GT2 817-634 TEL WEST NETWORK SERVICES CORPORATION DLLSTXHWDS0 817-977 TW TELECOM DLLSTX37DC0 817-675 AT&T MOBILITY CRTNTX35GT2 817-731 AT&T SOUTHWEST FTWOTXPEDS0 817-462 AT&T SOUTHWEST FTWOTXCRDS0 817-333 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXEDDS5 PLANTXXZCM2 817-522 CAPROCK TELECOMMUNICATIONS LEVEL 3 AT&T MOBILITY DLLSTXHMDS0 DLLATX37DS0 CRTNTX35CM5 817-988 AT&T MOBILITY CRTNTX35GT2 817-895 TEX-LINK COMMUNICATIONS INC DLLSTXBK8MD 817-483 AT&T SOUTHWEST FTWOTXKEDS0 817-585 AT&T SOUTHWEST FTWOTXEDDS3 817-819 SPRINT NEXTEL FRBRTXFN1MD 817-769 GLOBAL CROSSING LOCAL SERVICES INC CBEYOND FTWQTXDE3MD DLLSTX97CA0 817-447 AT&T SOUTHWEST FTWOTXBNDS0 817-293 AT&T SOUTHWEST FTWOTXECDS0 817-339 AT&T SOUTHWEST LEVEL 3 FTWOTXEDDS5 FTWQTXXTDS0 817-330 CBEYOND CHARTER TELEPHONE BANDWIDTH.COM DLLSTX97CA0 FTWPTXZPPS0 DLLSTX37XWZ 817-919 SPRINT PCS FTWPTXNL1MD 817-596 AT&T SOUTHWEST WTFRTXLYDS0 817-557 AT&T SOUTHWEST FTWOTXARDS0 817-688 AT&T MOBILITY CRTNTX35GT2 817-464 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-576 CAPROCK TELECOMMUNICATIONS LEVEL 3 AT&T INTERNET SERVICES DLLSTXHMDS0 FTWQTXXTDS0 RCSNTXHVGT0 817-873 VERIZON BUSINESS IRNGTXLBDS0 817-222 AT&T SOUTHWEST FTWOTXTEDS0 817-622 XO COMMUNICATIONS INC DLLSTXSQDS0 817-512 WINDSTREAM CRSNTXXARS0 817-705 SPRINT PCS FTWPTXNL1MD 817-580 AT&T SOUTHWEST TW TELECOM FTWOTXATCG0 DLLSTX37DC0 817-920 AT&T SOUTHWEST FTWOTXWACG0 817-394 XO COMMUNICATIONS DLLSTX978MD 817-960 AT&T SOUTHWEST FTWOTXCRDS1

Block Name Assigned To Switches 817-779 METROPCS WIRELESS VERIZON ACCESS TRANSMISSION SERVICES TELEPORT COMMUNICATIONS GROUP LEVEL 3 INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX PLANTXXZCM2 DLLSTXJFDS0 DLLSTXTLDS8 FTWQTXXTDS0 DLLSTX37D0S 817-387 AT&T SOUTHWEST FTWOTXEDDS3 817-826 AT&T SOUTHWEST RONKTXWODS0 817-408 AT&T MOBILITY AT&T SOUTHWEST CRTNTX35GT2 GRBYTXRADS0 817-400 YMAX COMMUNICATIONS IRNGTX276MD 817-638 EMBARQ/WESTERN OPERATIONS (KS MN MO NE NV OR TX WA WY) RHMETXXARS0 817-285 AT&T SOUTHWEST FTWOTXATCG0 817-416 VERIZON SOUTHWEST - TX GRPVTXXADS0 817-493 AT&T SOUTHWEST FTWOTXARDS0 817-875 SPRINT PCS FTWPTXNL1MD 817-354 AT&T SOUTHWEST FTWOTXEUDS0 817-775 TELEPORT COMMUNICATIONS GROUP BIRCH COMMUNICATIONS OF THE SOUTHWEST DLLSTXTLDS8 DLLSTXTADS2 817-612 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-691 SPRINT PCS FTWPTXNL1MD 817-910 WINDSTREAM ACTNTXXADS0 817-892 AT&T SOUTHWEST FTWOTXCRDS1 817-525 VERIZON BUSINESS IRNGTXLBDS0 817-379 VERIZON SOUTHWEST - TX KLLRTXXADS0 817-786 VERIZON BUSINESS VERIZON ACCESS TRANSMISSION SERVICES IRNGTXLBDS0 DLLSTXJFDS0 817-740 AT&T SOUTHWEST FTWOTXMADS0 817-456 VERIZON WIRELESS GRPRTXJPCM1 817-832 AT&T MOBILITY CRTNTX35GT2 817-709 AT&T MOBILITY VERIZON BUSINESS CRTNTX35CM5 IRNGTXLBDS0 817-440 VERIZON BUSINESS 360NETWORKS (USA) INC IRNGTXLBDS0 DLLSTX645MD 817-366 AT&T MOBILITY CRTNTX35GT2 817-349 TIM RON ENTERPRISES METROPCS WIRELESS LEVEL 3 XO COMMUNICATIONS INC CHARTER TELEPHONE DLLSTX3771Z PLANTXXZCM2 FTWQTXXTDS0 DLLSTXSQDS0 FTWPTXZPPS0 817-606 AT&T SOUTHWEST METROPCS WIRELESS DLLSTXMCDS0 PLANTXXZCM2 817-438 AT&T LOCAL 360NETWORKS (USA) INC FTWOTXEDDS4 DLLSTX645MD 817-273 AT&T SOUTHWEST FTWOTXCRDS0 817-787 AT&T SOUTHWEST FTWOTXED03T 817-298 METROPCS WIRELESS AT&T SOUTHWEST PLANTXXZCM2 FTWOTXPEDS0 817-360 AT&T MOBILITY CRTNTX35GT2 817-840 TELEPORT COMMUNICATIONS GROUP XO COMMUNICATIONS INC DLLSTXTLDS8 DLLSTXSQDS2 817-482 VERIZON SOUTHWEST - 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TX SPTWTXXADS0 817-663 XO COMMUNICATIONS METROPCS WIRELESS DLLSTX978MD PLANTXXZCM2 817-581 AT&T SOUTHWEST FTWOTXBUDS0 817-880 TELEPORT COMMUNICATIONS GROUP INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX AT&T MOBILITY 360NETWORKS (USA) INC BIRCH COMMUNICATIONS OF THE SOUTHWEST DLLSTXTLDS8 DLLSTX37D0S FRBRTXBLCM2 DLLSTX645MD DLLSTX64DS3 817-802 AT&T SOUTHWEST RONKTXWODS0 817-689 SPRINT PCS FTWPTXNL1MD 817-693 CAPROCK TELECOMMUNICATIONS INTEGRATED COMMUNICATIONS CONSULTANTS INC - TX DLLSTXHMDS0 DLLSTX37D0S 817-350 METROPCS WIRELESS AT&T SOUTHWEST SPRINT NEXTEL LEVEL 3 LEVEL 3 PLANTXXZCM2 FTWOTXEDDS3 FRBRTXFN1MD DLLSTX97DSA FTWQTXXTDS0 817-983 VERIZON BUSINESS VERIZON WIRELESS T-MOBILE LEVEL 3 IRNGTXLBDS0 GRPRTXJPCM1 DLLTTX01CM3 DLLATX37DS0 817-338 AT&T SOUTHWEST FTWOTXEDDS5 817-872 TW TELECOM DLLSTX37DC0 817-484 PATHWAY COM-TEL INC LEVEL 3 BLSNTXBNDS0 FTWQTXXTDS0 817-653 AT&T MOBILITY SPRINT XO COMMUNICATIONS INC AT&T INTERNET SERVICES CRTNTX35CM5 FTWOTX523GT DLLSTXSQDS0 RCSNTXHVGT0 817-266 AT&T MOBILITY CRTNTX35GT2 817-317 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXCRRS2 PLANTXXZCM2 817-886 LEVEL 3 DLLSTX97DSA 817-530 AT&T SOUTHWEST DLLSTXMCDS0 817-625 AT&T SOUTHWEST FTWOTXMADS0 817-674 LOGIX COMMUNICATIONS FTWOTXEDRS0 817-320 VERIZON WIRELESS GRPRTXJPCM1 817-371 AT&T MOBILITY CRTNTX35GT2 817-846 SPRINT PCS FTWPTXNL1MD 817-697 VERIZON ACCESS TRANSMISSION SERVICES MCLEODUSA A PAETEC COMPANY AT&T LOCAL DLLSTXJFDS0 DLLSTXHMDS0 FTWOTXEDDS4 817-280 AT&T SOUTHWEST FTWOTXATCG0 817-915 VERIZON WIRELESS GRPRTXJPCM1 817-380 GRANDE COMMUNICATIONS NETWORKS LEVEL 3 VERIZON BUSINESS TW TELECOM FTWOTXEDCMD FTWQTXXTDS0 IRNGTXLBDS0 DLLSTX37DC0 817-536 AT&T SOUTHWEST FTWOTXJECG0 817-232 AT&T SOUTHWEST FTWOTXCEDS0 817-554 CAPROCK TELECOMMUNICATIONS YMAX COMMUNICATIONS SPRINT NEXTEL DLLSTXHMDS0 DLLSTXSQDS4 FRBRTXFN1MD 817-252 AT&T SOUTHWEST FTWOTXEDDS3 FTWOTXCRRS1 FTWOTXARRS1 FTWOTXATRS1 FTWOTXBNRS1 DLLSTXMCRS1 FTWOTXECRS1 817-538 SPRINT NEXTEL AT&T INTERNET SERVICES FRBRTXFN1MD RCSNTXHVGT0 817-701 CBEYOND VERIZON WIRELESS DLLSTX97CA0 GRPRTXJPCM1 817-443 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXBBDS0 PLANTXXZCM2 817-884 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXEDDS0 PLANTXXZCM2 817-453 AT&T SOUTHWEST FTWOTXBRDS0 817-967 AT&T SOUTHWEST FTWOTXEUDS0 817-980 AT&T MOBILITY CRTNTX35GT2 817-313 AT&T MOBILITY CRTNTX35GT2 817-855 TEL WEST NETWORK SERVICES CORPORATION DLLSTXHWDS0 817-727 AT&T MOBILITY LEVEL 3 CRTNTX35GT2 FTWQTXXTDS0 FRBRTXBLCM1 817-898 LEVEL 3 360NETWORKS (USA) INC TEX-LINK COMMUNICATIONS INC DLLSTX97DSA DLLSTX645MD DLLSTXBKDS1 817-504 AT&T MOBILITY CRTNTX35GT2 817-961 AT&T SOUTHWEST VERIZON ACCESS TRANSMISSION SERVICES RONKTXWODS0 DLLSTXJFDS0 817-987 TELEPORT COMMUNICATIONS GROUP METROPCS WIRELESS DLLSTXTLDS8 PLANTXXZCM2 817-261 AT&T SOUTHWEST FTWOTXCRDS1 817-897 AT&T MOBILITY CRTNTX35CM5 FRBRTXBLG03 817-415 AT&T SOUTHWEST FTWOTXEDDS3 817-256 VERIZON BUSINESS IRNGTXLBDS0 817-658 SPRINT PCS FTWPTXNL1MD 817-429 AT&T SOUTHWEST FTWOTXGLCG0 817-577 AT&T SOUTHWEST FTWOTXBUDS0 817-890 AT&T SOUTHWEST CBEYOND RONKTXWODS0 DLLSTX97CA0 817-995 AT&T MOBILITY FRBRTXBLCM1 817-436 AT&T SOUTHWEST DLLSTXMCRS0 817-310 AT&T TEXAS XO COMMUNICATIONS INC LEVEL 3 RONKTXWODS0 DLLSTXSQDS0 DLLATX37DS0 817-716 VERIZON WIRELESS METROPCS WIRELESS GRPRTXJPCM1 PLANTXXZCM2 817-244 AT&T SOUTHWEST FTWOTXCIDS0 817-707 SPRINT PCS FTWPTXNL1MD 817-723 SPRINT PCS FTWPTXNL1MD 817-365 GRANDE COMMUNICATIONS NETWORKS FRSCTXBJ2MD 817-672 XO COMMUNICATIONS TW TELECOM DLLSTX978MD DLLSTX37DC0 817-406 GRANDE COMMUNICATIONS NETWORKS CHARTER TELEPHONE SPRINT NEXTEL FTWOTXEDCMD FTWPTXZPPS0 FRBRTXFN1MD 817-501 T-MOBILE DLLTTX01CM3 817-235 AT&T MOBILITY CRTNTX35GT2 817-677 VERIZON SOUTHWEST - 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TX BIRCH COMMUNICATIONS OF THE SOUTHWEST TELEPORT COMMUNICATIONS GROUP IRNGTXXBPSB DLLSTX64DS3 DLLSTXTLDS8 817-789 VERIZON WIRELESS LEVEL 3 GRPRTXJPCM1 DLLATX37DS0 FTWQTXXTDS0 817-862 METROPCS WIRELESS AT&T SOUTHWEST PLANTXXZCM2 FTWOTXPEDS0 817-376 AT&T SOUTHWEST METROPCS WIRELESS FTWOTXCRDS0 PLANTXXZCM2 817-458 GRANDE COMMUNICATIONS NETWORKS AT&T MOBILITY VERIZON ACCESS TRANSMISSION SERVICES LEVEL 3 TEL WEST NETWORK SERVICES CORPORATION TELEPORT COMMUNICATIONS GROUP BANDWIDTH.COM 360NETWORKS (USA) INC DLLSTX37DS8 CRTNTX35CM2 DLLSTXJFDS0 DLLATX37DS4 DLLSTXHWDS0 CRTNTX35GT2 DLLTTX01AMD DLLSTX37XWZ DLLSTX645MD 817-526 AT&T MOBILITY PATHWAY COM-TEL INC AT&T INTERNET SERVICES METROPCS WIRELESS TELEPORT COMMUNICATIONS GROUP CRTNTX35CM2 BLSNTXBNDS0 RCSNTXHVGT0 PLANTXXZCM1 DLLTTX01AMD 817-457 AT&T SOUTHWEST FTWOTXGLCG0 817-996 AT&T MOBILITY CRTNTX35GT2 817-524 VERIZON BUSINESS AT&T MOBILITY XO COMMUNICATIONS INC METROPCS WIRELESS VERIZON WIRELESS IRNGTXLBDS0 CRTNTX35CM5 DLLSTXSQDS2 PLANTXXZCM2 GRPRTXJPCM1 817-662 XO COMMUNICATIONS DLLSTX978MD 817-734 GRANDE COMMUNICATIONS NETWORKS AT&T MOBILITY FRSCTXBJ2MD CRTNTX35CM5 817-613 AT&T SOUTHWEST WTFRTXLYDS0 817-289 TEL WEST NETWORK SERVICES CORPORATION DLLSTXHWDS0 817-444 VERIZON SOUTHWEST - 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