312 (Illinois)

587 Blocks Found in Area 312 - List All

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Block Name Assigned To Switches 312-240 AT&T ILLINOIS CHCGILLRDS0 312-603 AT&T ILLINOIS CHCGILFRDS0 312-307 AT&T MOBILITY BURGILAHGT0 312-935 AT&T ILLINOIS CHCGILWBDS3 312-396 AT&T ILLINOIS CHCGILIDDS0 312-425 AT&T ILLINOIS CHCGILFRDS6 312-636 VERIZON WIRELESS HCHLILMTCM1 312-732 AT&T ILLINOIS CHCGILWBDS0 312-371 SPRINT PCS BRDVILBOCM0 312-444 AT&T ILLINOIS CIMCO COMMUNICATIONS CHCGILFRDS0 CHCGILAEDS3 312-253 XO COMMUNICATIONS PAETEC COMMUNICATIONS CHCHILLEDS0 CHCGILCPDS5 312-933 SPRINT PCS BRDVILBOCM0 312-854 LEVEL 3 RCN TELECOM CBEYOND CHCGILGMDS7 CHCGILACDS0 CHCGILWBCA0 312-961 AT&T MOBILITY MTPRILGT0MD 312-301 AT&T MOBILITY BURGILAHCM3 312-460 AT&T ILLINOIS ACCESS ONE INC CHCGILFRDS1 CHCGILDTDS3 CHCGILFRDS3 312-665 TELEPORT COMMUNICATIONS GROUP CHCGIL24DS0 312-627 AT&T ILLINOIS CHCGILCLDS0 312-574 AT&T ILLINOIS CHCGILFRDS0 CHCGILFRDS1 312-338 AT&T ILLINOIS CHCGILFRDS1 312-990 AT&T MOBILITY BURGILAHCM3 312-803 VERIZON BUSINESS EGVGILIFDS1 312-909 VERIZON WIRELESS HCHLILMTCM2 312-955 RCN TELECOM CHCGILACDS0 312-280 AT&T ILLINOIS CHCGILSUDS2 312-640 AT&T ILLINOIS CHCGILSUDS1 312-939 AT&T ILLINOIS CHCGILWBDS0 312-828 AT&T ILLINOIS CHCGILIDDS0 312-893 LEVEL 3 CHCGILABDS0 312-880 AT&T ILLINOIS OVATION COMMUNICATIONS CHCGILWBDS2 CHCGILWUDS0 312-415 VERIZON WIRELESS HCHLILMTCM1 312-348 SPRINT NEXTEL ACCESS ONE INC VERIZON BUSINESS NEUTRAL TANDEM BFGVILGUCM3 CHCGILDTDS3 EGVGILIFDS1 CHCGIL24DS6 312-725 BANDWIDTH.COM TELEPORT COMMUNICATIONS GROUP CHCGILWBXDZ CHCGILCLDS7 312-845 AT&T ILLINOIS CHCGILFRDS3 312-735 SPRINT NEXTEL BFGVILGUCM3 312-906 AT&T ILLINOIS CHCGILCLDS3 312-208 AT&T MOBILITY BURGILAHGT0 312-617 SPRINT NEXTEL BFGVILGUCM3 312-970 BANDWIDTH.COM AT&T ILLINOIS CHCGILWBXDZ CHCGILIDDS0 CHCGILSUDS2 312-850 AT&T ILLINOIS CHCGILMODS0 312-781 AT&T ILLINOIS CHCGILFRDS3 312-949 AT&T ILLINOIS CHCGILCADS1 312-621 AT&T ILLINOIS CHCGILFRDS3 312-635 GLOBAL CROSSING LOCAL SERVICES INC CHCGILCNDS1 312-436 LEVEL 3 AT&T ILLINOIS CHCGILGMDS2 CHCGILCLDS3 312-853 AT&T ILLINOIS CHCGILFRDS4 312-297 AT&T ILLINOIS CHCGILLRDS0 312-729 AT&T ILLINOIS CHCGILLRDS0 312-745 AT&T ILLINOIS CHCGILWBDS2 312-782 AT&T ILLINOIS CHCGILFRDS4 312-968 VERIZON WIRELESS ELGNIL32CM0 312-706 TELEPORT COMMUNICATIONS GROUP CHCGIL24DS0 312-727 AT&T ILLINOIS CHCGILFRDS2 312-840 AT&T ILLINOIS CHCGILIDDS0 312-924 PAETEC COMMUNICATIONS CHCGILCPDS5 312-595 AT&T ILLINOIS CHCGILIDDS0 312-591 AT&T ILLINOIS CHCGILWB12T 312-566 AT&T ILLINOIS DENALI SPECTRUM LICENSE LLC CHCGILWBDS2 SCBGILINGT0 312-887 AT&T ILLINOIS CHCGILCLDS0 312-463 AT&T ILLINOIS CHCGILCLDS0 312-928 AT&T ILLINOIS CHCGILCLDS0 312-382 AT&T ILLINOIS CHCGILCLDS3 312-210 AT&T ILLINOIS CHCGILWB50T 312-714 T-MOBILE AT&T ILLINOIS CHCGILMFCM6 CHCGILCLDS3 312-345 AT&T ILLINOIS CHCGILFRDS3 312-719 U.S. CELLULAR LBRDILDGCM3 312-659 AT&T MOBILITY BURGILAHGT0 312-328 AT&T ILLINOIS CHCGILCADS0 312-951 AT&T ILLINOIS CHCGILSUDS2 312-625 GLOBAL NAPS OKBRILGZDS1 312-215 AT&T MOBILITY SCBGILRRCME 312-930 AT&T ILLINOIS CHCGILCLDS3 312-568 AT&T ILLINOIS PAETEC COMMUNICATIONS CIMCO COMMUNICATIONS GLOBALCOM CHCGILCLDS3 CHCGILCPDS5 CHCGIL24DS7 CHCGIL24DS3 312-790 AT&T ILLINOIS CHCGILSUDS0 312-912 AT&T ILLINOIS T-MOBILE XO COMMUNICATIONS INC YMAX COMMUNICATIONS CHCGILCLDS0 CHCGILMFCM6 WDDLILCBDS0 OKBRILDODS0 312-683 AT&T ILLINOIS CHCGILFRDS1 312-261 LEVEL 3 CHCGILABDS0 312-499 AT&T ILLINOIS CHCGILFRDS3 312-991 AT&T MOBILITY SCBGILRRCME 312-660 TELEPORT COMMUNICATIONS GROUP CHCGIL24DS0 312-554 AT&T ILLINOIS CHCGILWBDS0 312-236 AT&T ILLINOIS CHCGILFRDS4 312-806 AT&T MOBILITY BURGILAHGT0 312-428 DENALI SPECTRUM LICENSE LLC LEVEL 3 YMAX COMMUNICATIONS SCBGILINGT0 CHCGILGMDS2 OKBRILDODS0 312-537 AT&T ILLINOIS PAETEC COMMUNICATIONS CHCGILCLDS3 CHCGILCPDS5 312-423 LEVEL 3 EKGVILAADS0 312-443 AT&T ILLINOIS CHCGILFRDS0 312-310 VERIZON WIRELESS ELGNIL32CM0 312-698 LEVEL 3 EKGVILAADS1 312-864 AT&T ILLINOIS CHCGILMODS1 312-869 DENALI SPECTRUM LICENSE LLC AT&T ILLINOIS SCBGILINGT0 CHCGILCLDS3 312-819 AT&T ILLINOIS CHCGILLRDS0 312-404 T-MOBILE CHCGILMFCM6 312-650 RCN TELECOM XO COMMUNICATIONS INC CHCGILACDS0 WDDLILCBDS0 312-730 T-MOBILE AT&T LOCAL CHCGILMFCM6 CHCGILCGDS0 312-298 SIGECOM LLC PAETEC COMMUNICATIONS AT&T ILLINOIS NPVLILBGRP0 CHCGILCPDS5 CHCGILFRDS3 312-601 VERIZON ACCESS TRANSMISSION SERVICES CHCGILWJDS0 312-279 VERIZON ACCESS TRANSMISSION SERVICES CHCGILWJDS0 312-243 AT&T ILLINOIS CHCGILMODS1 312-510 AT&T MOBILITY BURGILAHCM3 312-488 INTEGRATED COMMUNICATIONS CONSULTANTS INC - IL LEVEL 3 XO COMMUNICATIONS INC CHCGILDTDS4 CHCGILGMDS2 CHCGILTCDS4 312-569 LEVEL 3 AT&T ILLINOIS CHCGILABDS0 CHCGILSUDS1 CHCGILMODS1 312-914 VERIZON WIRELESS HCHLILMTCM1 312-339 VERIZON WIRELESS HCHLILMTCM2 312-204 AT&T ILLINOIS XO COMMUNICATIONS INC CHCGILSUDS1 WDDLILCBDS0 312-401 AT&T MOBILITY BURGILAHGT0 312-461 AT&T ILLINOIS CHCGILWBDS2 312-325 AT&T ILLINOIS CHCGILFRDS0 312-986 AT&T ILLINOIS CHCGILWBDS3 312-672 AT&T ILLINOIS SPRINT PCS CHCGILCLDS3 BRDVILBOCM1 312-503 LEVEL 3 CHCGILABDS0 312-643 RCN TELECOM CHCGILACDS0 312-303 AT&T MOBILITY SCBGILRRCME 312-351 AT&T MOBILITY BURGILAHGT0 312-546 XO COMMUNICATIONS INC SPRINT NEXTEL LEVEL 3 GLOBALCOM WDDLILCBDS0 EMHRILAY1MD CHCGILGMDS2 CHCGIL24DS3 CHCGILTCDS4 312-344 ACCESS ONE INC AT&T ILLINOIS CHCGILDTDS3 CHCGILWBDS3 312-655 AT&T ILLINOIS CHCGILCLDS3 312-521 LEVEL 3 U.S. CELLULAR PAETEC COMMUNICATIONS ACCESS ONE INC AT&T LOCAL GLOBALCOM CHCGILABDS0 LBRDILDGCM3 CHCGILCPDS5 CHCGILDTDS3 CHCGILCLGMD CHCGIL24DS3 312-324 LEVEL 3 AT&T ILLINOIS LEVEL 3 CHCGILGMDS2 CHCGILFRDS3 EKGVILAADS1 312-822 AT&T ILLINOIS CHCGILIDDS0 312-263 AT&T ILLINOIS CHCGILFRDS3 312-306 AT&T ILLINOIS CHCGILSUDS1 312-275 XO COMMUNICATIONS CHCHILLEDS0 312-475 AT&T ILLINOIS CHCGILSUDS2 312-664 AT&T ILLINOIS CHCGILSUDS2 312-450 DENALI SPECTRUM LICENSE LLC YMAX COMMUNICATIONS AT&T MOBILITY PAETEC COMMUNICATIONS ACCESS ONE INC SCBGILINGT0 OKBRILDODS0 BURGILAHGT0 CHCGILCPDS5 CHCGILDTDS3 312-881 AT&T ILLINOIS TELEPORT COMMUNICATIONS GROUP OVATION COMMUNICATIONS LEVEL 3 CHCGILCADS1 CHCGILCGDS1 CHCGIL24DS0 CHCGILWUDS0 EKGVILAADS1 EKGVILAADS0 312-287 SPRINT NEXTEL BFGVILGUCM3 312-441 AT&T ILLINOIS CHCGILCLDS0 312-329 AT&T ILLINOIS CHCGILIDDS2 312-715 AT&T ILLINOIS CHCGILCLDS0 312-576 AT&T MOBILITY BURGILAHGT0 312-368 AT&T ILLINOIS CHCGILFRDS0 312-520 VERIZON WIRELESS HCHLILMTCM1 312-645 AT&T ILLINOIS CHCGILIDDS2 312-833 VERIZON WIRELESS HCHLILMTCM1 312-363 RCN TELECOM GLOBALCOM T-MOBILE CHCGILACDS0 CHCGIL24DS3 CHCGILMFCM6 312-777 TELEPORT COMMUNICATIONS GROUP XO COMMUNICATIONS INC CHCGIL24DS0 WDDLILCBDS0 312-784 GLOBALCOM CHCGIL24DS3 312-861 AT&T ILLINOIS CHCGILLRDS0 312-246 AT&T MOBILITY SCBGILRRCME 312-560 AT&T MOBILITY MTPRILGT0MD 312-641 AT&T ILLINOIS CHCGILFRDS0 312-646 LEVEL 3 PAETEC COMMUNICATIONS T-MOBILE CHCGILABDS0 CHCGILCPDS5 CHCGILMFCM6 312-827 AT&T ILLINOIS CHCGILFRDS3 312-612 LEVEL 3 AT&T ILLINOIS EKGVILAADS0 CHCGILCLDS3 312-543 AT&T MOBILITY MTPRILGT0MD 312-362 AT&T ILLINOIS CHCGILWBDS0 312-898 VERIZON WIRELESS HCHLILMTCM1 312-453 VERIZON BUSINESS EGVGILIFDS1 312-244 AT&T ILLINOIS XO COMMUNICATIONS INC CHCGILFRDS1 WDDLILCBDS0 312-943 AT&T ILLINOIS CHCGILSUDS2 312-326 AT&T ILLINOIS CHCGILCADS0 312-540 AT&T ILLINOIS CHCGILLRDS0 312-213 AT&T MOBILITY BURGILAHGT0 312-608 AT&T MOBILITY BURGILAHGT0 312-915 AT&T ILLINOIS CHCGILSUDS2 312-379 OVATION COMMUNICATIONS AT&T ILLINOIS VERIZON ACCESS TRANSMISSION SERVICES GLOBALCOM LEVEL 3 CHCGILWUDS0 CHCGILIDDS2 CHCGILWJDS0 CHCGIL24DS3 CHCGILIDDS0 CHCGILGMDS2 312-559 AT&T ILLINOIS CHCGILCLDS3 312-789 AT&T ILLINOIS LEVEL 3 CHCGILWBDS0 CHCGILGMDS7 312-720 VERIZON WIRELESS HCHLILMTCM1 312-523 PAETEC COMMUNICATIONS SPRINT PCS CHCGILCPDS5 BRDVILBOCM1 312-203 AT&T MOBILITY BURGILAHGT0 312-412 AT&T MOBILITY SCBGILRRCME 312-525 U.S. CELLULAR VERIZON ACCESS TRANSMISSION SERVICES LBRDILDGCM3 CHCGILWJDS0 312-403 VERIZON WIRELESS HCHLILMTCM2 312-222 AT&T ILLINOIS CHCGILIDDS0 312-291 AT&T ILLINOIS XO COMMUNICATIONS INC TELEPORT COMMUNICATIONS GROUP GLOBALCOM CHCGILWBDS2 CHCGILTCDS4 CHCGILCGDS1 CHCGIL24DS3 312-356 AT&T ILLINOIS CHCGILWBDS3 312-894 VERIZON ACCESS TRANSMISSION SERVICES BNSVILDGDS0 312-228 AT&T ILLINOIS CHCGILLRDS0 312-693 AT&T ILLINOIS CHCGILFRDS4 312-225 AT&T ILLINOIS CHCGILCADS1 312-752 T-MOBILE LEVEL 3 CHCGILMFCM6 CHCGILABDS0 312-407 AT&T ILLINOIS CHCGILFRDS3 312-945 AT&T ILLINOIS XO COMMUNICATIONS INC T-MOBILE CHCGILCADS0 CHCGILTCDS4 CHCGILMFCM6 312-895 LEVEL 3 CHCGILABDS0 312-563 AT&T ILLINOIS CHCGILMODS1 312-518 AT&T MOBILITY SCBGILRRCME 312-284 XO COMMUNICATIONS INC CHCGILTCDS4 312-309 AT&T ILLINOIS CHCGILFRDS1 312-220 AT&T ILLINOIS CHCGILFRDS0 CHCGILFRDS2 312-486 TELEPORT COMMUNICATIONS GROUP CHCGILCGDS1 312-456 AT&T ILLINOIS CHCGILFRDS4 312-993 AT&T ILLINOIS CHCGILCLDS0 312-857 AT&T ILLINOIS CHCGILFRDS0 312-381 AT&T ILLINOIS CHCGILFRDS3 312-613 AT&T MOBILITY BURGILAHGT0 312-953 AT&T MOBILITY MTPRILGT0MD 312-454 AT&T ILLINOIS CHCGILCLDS3 312-372 AT&T ILLINOIS CHCGILFRDS4 312-899 AT&T ILLINOIS CHCGILFRDS0 312-753 RCN TELECOM PAETEC COMMUNICATIONS T-MOBILE CHCGILACDS0 CHCGILCPDS5 CHCGILMFCM6 312-464 AT&T ILLINOIS CHCGILIDDS0 312-238 LEVEL 3 EKGVILAADS0 312-565 AT&T ILLINOIS CHCGILLRDS0 312-361 LEVEL 3 AT&T ILLINOIS CHCGILGMDS2 CHCGILMODS1 312-952 AT&T MOBILITY MTPRILGT0MD 312-256 XO COMMUNICATIONS CIMCO COMMUNICATIONS CHCHILLEDS0 CHCGILAEDS3 312-662 AT&T ILLINOIS T-MOBILE CHCGILWBDS2 CHCGILMFCM6 312-447 AT&T ILLINOIS CIMCO COMMUNICATIONS CHCGILWBDS2 CHCGIL24DS7 CHCGILAEDS3 312-469 TELEPORT COMMUNICATIONS GROUP AT&T ILLINOIS LEVEL 3 SPRINT NEXTEL CHCGILCLDS7 CHCGILSUDS2 CHCGILABDS0 EKGVILAADS1 EMHRILAY1MD 312-482 AT&T ILLINOIS CHCGILSUDS2 312-638 LEVEL 3 CHCGILABDS0 312-875 AT&T ILLINOIS CHCGILCLDS3 312-206 AT&T MOBILITY BURGILAHGT0 312-739 AT&T ILLINOIS CHCGILFRDS3 312-661 AT&T ILLINOIS CHCGILIDDS2 312-465 ONE COMMUNICATIONS CHCGILWBXEZ 312-848 VERIZON WIRELESS HCHLILMTCM2 312-988 AT&T ILLINOIS CHCGILSUDS2 312-430 AT&T ILLINOIS CHCGILCLDS0 312-879 AT&T ILLINOIS CHCGILCLDS0 312-908 AT&T ILLINOIS CHCGILSUDS2 312-977 AT&T ILLINOIS CHCGILFRDS3 312-318 VERIZON WIRELESS HCHLILMTCM2 312-823 T-MOBILE AT&T ILLINOIS CHCGILMFCM6 CHCGILWBDS0 312-925 AT&T MOBILITY MTPRILGT0MD 312-315 AT&T MOBILITY BURGILAHGT0 312-923 AT&T ILLINOIS CHCGILIDDS0 312-859 VERIZON WIRELESS HCHLILMTCM1 312-886 AT&T ILLINOIS CHCGILWBDS0 312-501 VERIZON WIRELESS HCHLILMTCM2 312-932 AT&T ILLINOIS LEVEL 3 CHCGILSUDS0 EKGVILAADS1 EKGVILAADS0 312-364 AT&T ILLINOIS CHCGILFRDS4 312-980 TELEPORT COMMUNICATIONS GROUP CHCGIL24DS0 312-888 GECKOTECH LLC CHCGILABGT0 312-547 TELEPORT COMMUNICATIONS GROUP AT&T MOBILITY CHCGIL24DS0 BURGILAHGT0 312-876 AT&T ILLINOIS CHCGILCLDS0 312-751 AT&T ILLINOIS CHCGILSUDS0 312-386 SPRINT NEXTEL AT&T ILLINOIS LEVEL 3 GLOBALCOM BFGVILGUCM3 CHCGILWBDS2 CHCGILGMDS2 CHCGIL24DS3 312-265 COMCAST DIGITAL PHONE LEVEL 3 LEVEL 3 ACCESS ONE INC CHCIILNQPS2 CHCGILGMDS2 CHCGILABDS0 CHCGILDTDS3 312-957 AT&T ILLINOIS LEVEL 3 CHCGILWBDS2 CHCGILGMDS7 CHCGILGMDS2 312-548 LEVEL 3 CHCGILABDS0 312-670 AT&T ILLINOIS CHCGILIDDS2 312-422 AT&T ILLINOIS CHCGILFRDS3 312-254 XO COMMUNICATIONS XO COMMUNICATIONS INC CHCHILLEDS0 WDDLILCBDS0 312-239 LEVEL 3 OVATION COMMUNICATIONS GLOBALCOM AT&T LOCAL XO COMMUNICATIONS INC CHCGILGMDS2 WLNGIL01DS0 CHCGIL24DS3 CHCGILCLDS9 WDDLILCBDS0 312-622 AT&T MOBILITY XO COMMUNICATIONS INC MTPRILGT0MD WDDLILCBDS0 312-656 SPRINT NEXTEL BFGVILGUCM3 312-856 AT&T ILLINOIS CHCGILLRDS0 312-385 AT&T ILLINOIS CHCGILWBDS0 312-202 AT&T ILLINOIS CHCGILSUDS2 312-394 AT&T ILLINOIS CHCGILFRDS1 312-432 AT&T ILLINOIS CHCGILMODS1 312-480 AT&T MOBILITY BURGILAHGT0 312-788 DENALI SPECTRUM LICENSE LLC AT&T ILLINOIS YMAX COMMUNICATIONS SCBGILINGT0 CHCGILWBDS2 OKBRILDODS0 312-948 OVATION COMMUNICATIONS AT&T ILLINOIS LEVEL 3 XO COMMUNICATIONS INC CHCGILWUDS0 CHCGILMODS0 CHCGILABDS0 CHCGILTCDS4 312-842 AT&T ILLINOIS CHCGILCADS1 312-570 AT&T ILLINOIS CHCGILCADS0 312-528 AT&T ILLINOIS XO COMMUNICATIONS INC LEVEL 3 CHCGILCADS0 WDDLILCBDS0 EKGVILAADS1 EKGVILAADS0 312-981 OVATION COMMUNICATIONS AT&T ILLINOIS CHCGILWUDS0 CHCGILSUDS1 312-904 AT&T ILLINOIS CHCGILFRDS1 312-737 AT&T ILLINOIS CHCGILFRDS4 312-557 AT&T ILLINOIS CHCGILFRDS0 312-673 GLOBALCOM CHCGIL24DS3 312-592 AT&T ILLINOIS CHCGILFRDS0 312-974 AT&T ILLINOIS CHCGILWBDS2 312-274 AT&T ILLINOIS CHCGILSUDS1 312-712 AT&T ILLINOIS CHCGILSUDS1 312-589 AT&T ILLINOIS OVATION COMMUNICATIONS GLOBALCOM PAETEC COMMUNICATIONS CHCGILCLDS3 CHCGILWUDS0 CHCGIL24DS3 CHCGILCPDS5 312-231 AT&T MOBILITY SCBGILRRCM1 312-544 AT&T ILLINOIS ACCESS ONE INC CHCGILCLDS3 CHCGILDTDS3 312-704 AT&T ILLINOIS CHCGILFRDS4 312-336 AT&T ILLINOIS CHCGILFRDS6 312-354 AT&T MOBILITY SCBGILRRCM1 312-834 AT&T ILLINOIS CHCGILWBDS2 312-395 AT&T ILLINOIS LEVEL 3 AT&T LOCAL CHCGILFRDS0 CHCGILABDS0 EKGVILAADS0 CHCGILCLGMD 312-726 AT&T ILLINOIS CHCGILFRDS3 312-775 AT&T ILLINOIS PAETEC COMMUNICATIONS CHCGILCLDS3 CHCGILCPDS5 312-852 AT&T MOBILITY BURGILAHGT0 312-502 VERIZON WIRELESS HCHLILMTCM1 312-352 AT&T MOBILITY BURGILAHCM3 312-577 VERIZON BUSINESS EGVGILIFDS1 312-531 AT&T MOBILITY BURGILAHGT0 312-658 AT&T ILLINOIS CHCGILFRDS3 312-969 VERIZON WIRELESS ELGNIL32CM0 312-905 AT&T ILLINOIS CHCGILFRDS1 312-485 VERIZON WIRELESS HCHLILMTCM1 312-308 AT&T ILLINOIS CHCGILCLDS3 312-360 AT&T ILLINOIS CHCGILWBDS2 312-350 VERIZON WIRELESS ELGNIL32CM0 312-671 U.S. CELLULAR LBRDILDGCM3 312-626 INFOTELECOM CHCGILWUDS3 312-794 RCN TELECOM XO COMMUNICATIONS INC CHCGILACDS0 WDDLILCBDS0 312-504 AT&T MOBILITY BURGILAHGT0 312-648 AT&T ILLINOIS CHCGILCLDS3 312-223 AT&T ILLINOIS CHCGILFRDS1 312-705 TELEPORT COMMUNICATIONS GROUP CHCGIL24DS0 312-567 AT&T ILLINOIS CHCGILCADS0 312-814 AT&T ILLINOIS CHCGILFRDS1 312-652 AT&T ILLINOIS CHCGILFRDS4 312-424 AT&T ILLINOIS CHCGILFRDS1 312-919 VERIZON WIRELESS HCHLILMTCM1

Block Name Assigned To Switches 312-417 AT&T ILLINOIS CHCGILSUDS0 312-979 AT&T ILLINOIS CHCGILSUDS0 312-440 AT&T ILLINOIS CHCGILSUDS0 312-431 AT&T ILLINOIS CHCGILWBDS3 312-731 T-MOBILE CHCGILMFCM6 312-300 AT&T ILLINOIS CHCGILWB4CD 312-446 SPRINT NEXTEL BFGVILGUCM3 312-545 SPRINT PCS BRDVILBOCM1 312-377 XO COMMUNICATIONS INC WDDLILCBDS0 312-913 AT&T ILLINOIS CHCGILWBDS3 CHCGILWBDS0 312-695 AT&T ILLINOIS CHCGILSUDS2 312-797 AT&T ILLINOIS CHCGILFRDS0 312-582 XO COMMUNICATIONS INC CIMCO COMMUNICATIONS AT&T ILLINOIS WDDLILCBDS0 CHCGILAEDS3 CHCGILWBDS0 312-408 AT&T ILLINOIS CHCGILWBDS0 312-926 AT&T ILLINOIS CHCGILSUDS2 312-862 AT&T ILLINOIS CHCGILFRDS1 312-494 AT&T ILLINOIS CHCGILIDDS2 312-984 AT&T ILLINOIS CHCGILFRDS0 312-821 VERIZON ACCESS TRANSMISSION SERVICES VERIZON BUSINESS CHCGILWJDS0 EGVGILIFDS1 312-473 YMAX COMMUNICATIONS OKBRILDODS0 312-391 AT&T MOBILITY BURGILAHGT0 312-373 LEVEL 3 CHCGILABDS0 312-692 AT&T ILLINOIS CHCGILWBDS0 312-470 VERIZON ACCESS TRANSMISSION SERVICES BNSVILDGDS0 312-283 GLOBAL CROSSING LOCAL SERVICES INC PAETEC COMMUNICATIONS CHCGILCNDS1 CHCGILCPDS5 312-927 T-MOBILE CHCGILMFCM6 312-316 AT&T MOBILITY BURGILAHGT0 312-384 AT&T ILLINOIS CHCGILFRDS1 312-992 AT&T ILLINOIS CHCGILFRDS1 312-529 AT&T LOCAL GLOBALCOM CHCGILCLDSC CHCGIL24DS3 312-224 LEVEL 3 EKGVILAADS0 312-435 AT&T ILLINOIS CHCGILWBDS0 312-442 AT&T ILLINOIS CHCGILFRDS6 312-433 AT&T ILLINOIS CHCGILMODS0 312-616 AT&T ILLINOIS CHCGILLRDS0 312-294 AT&T ILLINOIS CHCGILWBDS3 312-542 AT&T ILLINOIS CHCGILWBDS3 312-701 AT&T ILLINOIS CHCGILFRDS3 312-793 AT&T ILLINOIS CHCGILFRDS1 312-836 AT&T ILLINOIS CHCGILIDDS0 312-987 AT&T ILLINOIS CHCGILWBDS2 312-922 AT&T ILLINOIS CHCGILWBDS3 312-884 OVATION COMMUNICATIONS LEVEL 3 AT&T ILLINOIS CHCGILWUDS0 EKGVILAADS0 CHCGILFRDS4 312-829 AT&T ILLINOIS CHCGILMODS0 312-252 XO COMMUNICATIONS AT&T ILLINOIS CHCHILLEDS0 CHCGILFRDS3 312-266 AT&T ILLINOIS CHCGILSUDS2 312-288 VERIZON ACCESS TRANSMISSION SERVICES LEVEL 3 CHCGILWJDS0 CHCGILGMDS2 312-762 AT&T ILLINOIS CHCGILFRDS4 312-835 VERIZON WIRELESS HCHLILMTCM1 312-214 AT&T ILLINOIS CHCGILFRDS1 312-651 AT&T ILLINOIS LEVEL 3 GLOBALCOM CHCGILCLDS3 CHCGILGMDS7 CHCGIL24DS3 312-666 AT&T ILLINOIS CHCGILMODS1 312-322 AT&T ILLINOIS CHCGILWBDS3 312-334 GLOBALCOM CHCGIL24DS3 312-343 VERIZON WIRELESS HCHLILMTCM2 312-317 AT&T MOBILITY SCBGILRRCME 312-787 AT&T ILLINOIS CHCGILSUDS1 312-233 AT&T ILLINOIS LEVEL 3 CHCGILLRDS0 CHCGILGMDS2 312-954 AT&T ILLINOIS CHCGILCLDS3 312-347 AT&T ILLINOIS CHCGILWBDS3 312-810 AT&T MOBILITY BURGILAHGT0 312-572 AT&T ILLINOIS PAETEC COMMUNICATIONS CHCGILMODS0 CHCGILCPDS5 312-609 AT&T ILLINOIS CHCGILFRDS3 312-674 AT&T ILLINOIS LEVEL 3 CHCGILCADS0 CHCGILABDS0 312-756 AT&T ILLINOIS CHCGILCLDS0 312-944 AT&T ILLINOIS CHCGILSUDS2 312-681 XO COMMUNICATIONS INC AT&T ILLINOIS WDDLILCBDS0 CHCGILCLDS3 312-962 GLOBAL CROSSING LOCAL SERVICES INC CHCGILCNDS1 312-515 VERIZON WIRELESS HCHLILMTCM1 312-807 AT&T ILLINOIS CHCGILFRDS3 312-472 AT&T ILLINOIS CHCGILLRDS0 312-849 AT&T ILLINOIS CHCGILFRDS0 312-519 VERIZON WIRELESS HCHLILMTCM1 312-733 AT&T ILLINOIS CHCGILMODS1 312-890 SPRINT PCS BRDVILBOCM0 312-896 LEVEL 3 CHCGILABDS0 312-516 AT&T ILLINOIS CHCGILFRDS3 312-427 AT&T ILLINOIS CHCGILWBDS0 312-235 AT&T ILLINOIS LEVEL 3 PAETEC COMMUNICATIONS GLOBALCOM CHCGILWBDS2 CHCGILGMDS7 CHCGILGMDS2 CHCGILCPDS5 CHCGIL24DS3 312-260 VERIZON ACCESS TRANSMISSION SERVICES XO COMMUNICATIONS INC BNSVILDGDS0 WDDLILCBDS0 312-663 AT&T ILLINOIS CHCGILWBDS3 312-629 AT&T ILLINOIS CHCGILFRDS0 312-419 AT&T ILLINOIS CHCGILFRDS3 312-302 AT&T ILLINOIS CHCGILSUDS1 312-618 AT&T MOBILITY BURGILAHGT0 312-578 AT&T ILLINOIS CHCGILFRDS3 312-759 AT&T ILLINOIS CHCGILFRDS0 312-653 AT&T ILLINOIS CHCGILLRDS0 312-946 AT&T ILLINOIS CHCGILLRDS0 312-795 AT&T ILLINOIS CHCGILFRDS4 312-799 T-MOBILE AT&T ILLINOIS LEVEL 3 CHCGILMFCM6 CHCGILSUDS2 EKGVILAADS0 312-374 AT&T ILLINOIS CHCGILLRDS0 312-357 AT&T ILLINOIS CHCGILFRDS0 312-532 T-MOBILE CHCGILMFCM6 312-749 AT&T MOBILITY BURGILAHCM3 312-276 XO COMMUNICATIONS CHCHILLEDS0 312-337 AT&T ILLINOIS CHCGILSUDS1 312-590 VERIZON WIRELESS HCHLILMTCM1 312-710 AT&T ILLINOIS CHCGILMODS0 312-772 DENALI SPECTRUM LICENSE LLC BANDWIDTH.COM SCBGILINGT0 CHCGILWBXDZ 312-341 AT&T ILLINOIS CHCGILWBDS3 312-399 SPRINT PCS BRDVILBOCM0 312-805 VERIZON WIRELESS HCHLILMTCM2 312-293 AT&T ILLINOIS CHCGILWBDS2 312-409 AT&T ILLINOIS CHCGILFRDS1 312-596 TELEPORT COMMUNICATIONS GROUP CHCGILCLDS7 312-234 LEVEL 3 AT&T ILLINOIS CHCGILGMDS2 CHCGILCLDS3 312-624 RCN TELECOM XO COMMUNICATIONS INC COMCAST DIGITAL PHONE CHCGILACDS0 WDDLILCBDS0 CHCIILNQPS2 312-259 AT&T MOBILITY BURGILAHGT0 312-602 LEVEL 3 CHCGILABDS0 312-808 AT&T ILLINOIS CHCGILCADS0 312-476 U.S. CELLULAR LEVEL 3 AT&T ILLINOIS CIMCO COMMUNICATIONS LBRDILDGCM3 EKGVILAADS0 CHCGILABDS0 CHCGILFRDS4 CHCGILAEDS3 312-491 AT&T ILLINOIS CHCGILMODS0 312-332 AT&T ILLINOIS CHCGILFRDS3 312-846 COMCAST DIGITAL PHONE AT&T ILLINOIS TELEPORT COMMUNICATIONS GROUP CHCIILNQPS2 CHCGILFRDS3 CHCGILCGDS1 312-558 AT&T ILLINOIS CHCGILFRDS3 312-267 LEVEL 3 AT&T ILLINOIS GLOBALCOM SPRINT NEXTEL CHCGILGMDS2 CHCGILFRDS0 CHCGIL24DS3 CHCGILSUDS2 BFGVILGUCM3 312-445 LEVEL 3 AT&T ILLINOIS XO COMMUNICATIONS INC ACCESS ONE INC LEVEL 3 CHCGILGMDS2 CHCGILSUDS1 WDDLILCBDS0 CHCGILDTDS3 CHCGILABDS0 CHCGILGMDS7 312-262 XO COMMUNICATIONS CBEYOND SPRINT NEXTEL CHCHILLEDS0 CHCGILWBCA0 BFGVILGUCM3 312-755 AT&T ILLINOIS CHCGILIDDS0 312-462 LEVEL 3 AT&T ILLINOIS XO COMMUNICATIONS INC CHCGILGMDS2 CHCGILFRDS4 WDDLILCBDS0 312-649 AT&T ILLINOIS CHCGILSUDS2 312-467 AT&T ILLINOIS CHCGILIDDS2 312-330 AT&T MOBILITY BURGILAHGT0 312-831 AT&T ILLINOIS CHCGILCLDS3 312-247 GLOBALCOM CHCGIL24DS3 312-817 AT&T ILLINOIS CHCGILIDDS0 312-841 AT&T MOBILITY BURGILAHGT0 312-388 U.S. CELLULAR LBRDILDGCM3 312-770 DENALI SPECTRUM LICENSE LLC AT&T ILLINOIS SCBGILINGT0 CHCGILMODS1 312-437 U.S. CELLULAR LBRDILDGCM3 312-553 AT&T ILLINOIS CHCGILFRDS0 312-237 VERIZON WIRELESS LEVEL 3 PAETEC COMMUNICATIONS HCHLILMTCM2 CHCGILABDS0 CHCGILCPDS5 312-780 VERIZON BUSINESS EGVGILIFDS1 312-718 VERIZON WIRELESS HCHLILMTCM1 312-985 LEVEL 3 AT&T ILLINOIS OVATION COMMUNICATIONS CHCGILGMDS2 CHCGILCLDS3 CHCGILWUDS0 312-397 AT&T ILLINOIS CHCGILSUDS2 312-743 AT&T ILLINOIS CHCGILMODS1 312-628 XO COMMUNICATIONS INC CHCGILTCDS0 312-375 T-MOBILE CHCGILMFCM6 312-429 GLOBAL CROSSING LOCAL SERVICES INC AT&T ILLINOIS CHCGILCNDS1 CHCGILFRDS3 312-376 CBEYOND U.S. CELLULAR LEVEL 3 CHCGILWBCA0 LBRDILDGCM3 CHCGILGMDS2 312-402 AT&T MOBILITY BURGILAHGT0 312-466 AT&T ILLINOIS CHCGILCLDS3 312-474 AT&T ILLINOIS CHCGILCLDS0 312-296 SPRINT NEXTEL BFGVILGUCM3 312-314 AT&T MOBILITY BURGILAHCM3 312-218 AT&T MOBILITY BURGILAHGT0 312-606 AT&T ILLINOIS CHCGILFRDS0 312-498 SPRINT PCS BRDVILBOCM0 312-804 T-MOBILE CHCGILMFCM6 312-675 AT&T ILLINOIS YMAX COMMUNICATIONS LEVEL 3 CHCGILWBDS2 OKBRILDODS0 CHCGILABDS0 312-353 AT&T ILLINOIS CHCGILWBDS0 312-996 AT&T ILLINOIS CHCGILMODS1 312-573 AT&T ILLINOIS CHCGILSUDS1 312-873 VERIZON BUSINESS VERIZON ACCESS TRANSMISSION SERVICES EGVGILIFDS1 CHCGILWJDS0 312-327 XO COMMUNICATIONS INC CHCGILTCDS0 312-413 AT&T ILLINOIS CHCGILMODS1 312-282 AT&T MOBILITY MTPRILGT0MD 312-623 AT&T MOBILITY BURGILAHGT0 312-420 AT&T MOBILITY MTPRILGT0MD 312-685 U.S. CELLULAR LBRDILDGCM3 312-634 AT&T ILLINOIS CHCGILFRDS1 312-277 XO COMMUNICATIONS CHCHILLEDS0 312-281 GLOBAL CROSSING LOCAL SERVICES INC AT&T ILLINOIS CHCGILCNDS1 CHCGILFRDS4 312-791 AT&T ILLINOIS CHCGILCADS0 312-938 AT&T ILLINOIS CHCGILLRDS0 312-264 LEVEL 3 CHCGILABDS0 312-245 AT&T ILLINOIS CHCGILIDDS0 312-699 AT&T MOBILITY BURGILAHCM3 312-534 AT&T ILLINOIS CHCGILSUDS0 312-802 VERIZON WIRELESS HCHLILMTCM1 312-550 VERIZON WIRELESS HCHLILMTCM1 312-286 AT&T MOBILITY MTPRILGT0MD 312-746 AT&T ILLINOIS CHCGILMODS1 312-513 AT&T MOBILITY BURGILAHGT0 312-207 AT&T ILLINOIS CHCGILCLDS3 312-217 U.S. CELLULAR LBRDILDGCM3 312-524 AT&T MOBILITY SCBGILRRCME 312-268 LEVEL 3 AT&T ILLINOIS EKGVILAADS0 CHCGILSUDS2 312-747 AT&T ILLINOIS CHCGILWBDS2 312-380 AT&T ILLINOIS LEVEL 3 LEVEL 3 CHCGILCLDS3 CHCGILABDS0 CHCGILGMDS2 312-588 AT&T ILLINOIS PAETEC COMMUNICATIONS CHCGILWBDS2 CHCGILCPDS5 312-921 AT&T ILLINOIS CHCGILSUDS2 312-654 AT&T ILLINOIS CHCGILSUDS0 312-669 AT&T ILLINOIS CHCGILCLDS3 312-489 VERIZON WIRELESS SPRINT NEXTEL HCHLILMTCM1 BFGVILGUCM3 312-882 VERIZON WIRELESS HCHLILMTCM2 312-242 TELEPORT COMMUNICATIONS GROUP LEVEL 3 GLOBALCOM CHCGILCGDS1 CHCGILABDS0 CHCGIL24DS3 EKGVILAADS0 312-816 AT&T MOBILITY BURGILAHCM3 312-226 AT&T ILLINOIS CHCGILMODS1 312-798 AT&T ILLINOIS CHCGILCLDS3 312-593 T-MOBILE CHCGILMFCM6 312-870 AT&T ILLINOIS GLOBALCOM CHCGILFRDS1 CHCGIL24DS3 312-960 AT&T ILLINOIS CHCGILFRDS6 312-335 AT&T ILLINOIS CHCGILSUDS0 312-527 AT&T ILLINOIS CHCGILIDDS0 312-564 CIMCO COMMUNICATIONS CBEYOND OVATION COMMUNICATIONS CHCGILAEDS3 CHCGILWBCA0 CHCGILWUDS0 312-786 AT&T ILLINOIS CHCGILWBDS3 312-455 AT&T ILLINOIS CHCGILMODS1 312-230 AT&T ILLINOIS CHCGILFRDS0 312-813 AT&T MOBILITY BURGILAHGT0 312-917 AT&T ILLINOIS CHCGILFRDS3 312-551 AT&T ILLINOIS CHCGILFRDS4 312-209 VERIZON WIRELESS ELGNIL32CM0 312-920 AT&T ILLINOIS CHCGILFRDS3 312-844 AT&T MOBILITY BURGILAHCM3 312-860 AT&T MOBILITY BURGILAHGT0 312-575 AT&T ILLINOIS CHCGILCLDS3 312-552 AT&T ILLINOIS CHCGILLRDS0 312-410 AT&T ILLINOIS CHCGILIDDS2 312-744 AT&T ILLINOIS CHCGILIDDS0 312-541 AT&T ILLINOIS CHCGILFRDS0 312-505 VERIZON WIRELESS HCHLILMTCM1 312-865 AT&T MOBILITY SCBGILRRCME 312-832 AT&T ILLINOIS CHCGILIDDS0 312-694 AT&T ILLINOIS CHCGILSUDS2 312-902 AT&T ILLINOIS CHCGILCLDS3 312-942 AT&T ILLINOIS CHCGILMODS1 312-750 AT&T ILLINOIS CHCGILFRDS3 312-637 LEVEL 3 CHCGILABDS0 312-929 COMCAST DIGITAL PHONE T-MOBILE CHCIILNQPS2 CHCGILMFCM6 312-405 VERIZON WIRELESS HCHLILMTCM1 312-497 VERIZON WIRELESS HCHLILMTCM1 312-583 AT&T ILLINOIS CHCGILWBDS2 312-496 AT&T ILLINOIS PAETEC COMMUNICATIONS CHCGILCLDS3 CHCGILCPDS5 312-580 AT&T ILLINOIS CHCGILFRDS4 312-758 VERIZON WIRELESS HCHLILMTCM2 312-855 AT&T ILLINOIS CHCGILFRDS0 312-696 AT&T ILLINOIS CHCGILFRDS1 312-304 AT&T MOBILITY BURGILAHCM3 312-479 T-MOBILE AT&T LOCAL CHCGILMFCM6 CHCGILCLGMD 312-587 AT&T ILLINOIS CHCGILSUDS0 312-278 LEVEL 3 AT&T ILLINOIS EKGVILAADS0 CHCGILSUDS2 312-796 AT&T ILLINOIS CHCGILWB12T 312-615 AT&T MOBILITY SCBGILRRCME 312-878 PEERLESS NETWORK LEVEL 3 CHCGILWUDS4 CHCGILGMDS7 312-255 AT&T ILLINOIS AT&T INTERNET SERVICES CHCGILSUDS2 CHCGILCLXTX 312-768 PAETEC COMMUNICATIONS AT&T ILLINOIS ACCESS ONE INC AT&T LOCAL GLOBALCOM CHCGILCPDS5 CHCGILCLDS0 CHCGILDTDS3 CHCGILCLGMD CHCGIL24DS3 312-493 T-MOBILE CHCGILMFCM6 312-607 AT&T MOBILITY BURGILAHGT0 312-907 SPRINT NEXTEL BFGVILGUCM3 312-212 LEVEL 3 AT&T ILLINOIS XO COMMUNICATIONS INC SIGECOM LLC CHCGILGMDS2 CHCGILWBDS2 WDDLILCBDS0 NPVLILBGRP0 312-201 AT&T ILLINOIS CHCGILFRDS0 312-321 AT&T ILLINOIS CHCGILIDDS0 312-506 CIMCO COMMUNICATIONS PAETEC COMMUNICATIONS SPRINT NEXTEL CHCGIL24DS7 CHCGILAEDS3 CHCGILCPDS5 EMHRILAY1MD 312-594 VERIZON ACCESS TRANSMISSION SERVICES BNSVILDGDS0 312-738 AT&T ILLINOIS CHCGILMODS0 312-972 AT&T MOBILITY BURGILAHGT0 312-355 AT&T ILLINOIS CHCGILMODS1 312-342 AT&T MOBILITY MTPRILGT0MD 312-765 AT&T ILLINOIS OVATION COMMUNICATIONS CHCGILWBDS2 CHCGILWUDS0 312-416 VERIZON BUSINESS EGVGILIFDS1 312-369 AT&T ILLINOIS AT&T MOBILITY CHCGILWBDS3 BURGILAHGT0 312-812 AT&T ILLINOIS CHCGILFRDS0 312-258 AT&T ILLINOIS CHCGILCLDS0 312-526 AT&T ILLINOIS COMCAST DIGITAL PHONE CHCGILCLDS3 CHCIILNQPS2 312-994 OVATION COMMUNICATIONS LEVEL 3 GLOBALCOM CHCGILWUDS0 EKGVILAADS1 CHCGIL24DS3 312-863 T-MOBILE OVATION COMMUNICATIONS XO COMMUNICATIONS INC CHCGILMFCM6 WLNGIL01DS0 WDDLILCBDS0 CHCGILWUDS0 312-644 AT&T ILLINOIS CHCGILIDDS2 312-633 AT&T ILLINOIS CHCGILMODS0 CHCGILMODS1 312-285 LEVEL 3 AT&T INTERNET SERVICES SPRINT PCS CHCGILGMDS2 CHCGILCLXTX BRDVILBOCM1 312-229 LEVEL 3 MPOWER COMMUNICATIONS AT&T ILLINOIS PAETEC COMMUNICATIONS CHCGILGMDS7 WLNGIL01DS0 CHCGILIDDS0 CHCGILCPDS5 312-931 AT&T ILLINOIS CHCGILFRDS4 312-421 AT&T ILLINOIS CHCGILMODS0 312-251 AT&T ILLINOIS CHCGILFRDS0 312-867 AT&T ILLINOIS CHCGILSUDS0 312-604 XO COMMUNICATIONS INC LEVEL 3 WDDLILCBDS0 EKGVILAADS1 312-983 AT&T ILLINOIS CHCGILWBDS0 312-742 AT&T ILLINOIS CHCGILIDDS0 312-533 VERIZON WIRELESS LEVEL 3 HCHLILMTCM1 CHCGILGMDS2 312-936 AT&T ILLINOIS CHCGILFRDS4 312-205 XO COMMUNICATIONS CHCHILLEDS0 312-697 AT&T ILLINOIS CHCGILWBDS0 312-451 T-MOBILE CHCGILMFCM6 312-642 AT&T ILLINOIS CHCGILSUDS2 312-331 AT&T MOBILITY SCBGILRRCME 312-305 VERIZON WIRELESS ELGNIL32CM0 312-676 GLOBALCOM CHCGIL24DS3 312-269 AT&T ILLINOIS CHCGILFRDS3 312-771 VERIZON WIRELESS HCHLILMTCM2 312-632 AT&T ILLINOIS CHCGILCLDS0 312-346 AT&T ILLINOIS CHCGILFRDS4 312-507 AT&T ILLINOIS CHCGILFRDS4 312-630 AT&T ILLINOIS CHCGILFRDS0 312-965 VERIZON WIRELESS HCHLILMTCM1 312-892 LEVEL 3 CHCGILABDS0 312-707 AT&T ILLINOIS CHCGILCLDS3 312-406 AT&T MOBILITY SCBGILRRCME 312-458 AT&T ILLINOIS CHCGILFRDS1 312-997 AT&T ILLINOIS CHCGILMODS1 312-320 AT&T MOBILITY BURGILAHGT0 312-492 AT&T ILLINOIS LEVEL 3 CHCGILMODS1 CHCGILGMDS2 CallerSearch Home Resources About Contact Login search-form