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NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-251 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-252 A Chicago Zone 01-Franklin IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-253 A Chicago Zone 01-Wabash IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-254 A Chicago Zone 01-Superior IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-255 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-256 A Chicago Zone 01-Canal IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-257 A Chicago Zone 01-Calumet IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-258 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 AMERITECH ILLINOIS 358      
312-259 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-260 A Chicago Zone 01-Monroe IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-261 A Chicago Zone 01-Franklin IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-262 A Chicago Zone 01-Lakeshore IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-263 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-264 A Chicago Zone 01-Wabash IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-265 A Chicago Zone 01-Calumet IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
312-266 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-267 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-268 A Chicago Zone 01-Superior IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-269 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-270 A Chicago Zone 01-Calumet IL CHCGILMF4MD  5562 METRO PCS, INC. 358      
312-271 A Chicago Zone 01-Wabash IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-272 A Chicago Zone 01-Calumet IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-273 A Chicago Zone 01-Calumet IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-274 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-275 A Chicago Zone 01-Monroe IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-276 A Chicago Zone 01-Illinois Dearborn IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-277 A Chicago Zone 01-Canal IL CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
312-278 A Chicago Zone 01-Canal IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-279 A Chicago Zone 01-Monroe IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-280 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-281 A Chicago Zone 01-Franklin IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC.-IL 358      
312-282 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-283 A Chicago Zone 01-Franklin IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC.-IL 358      
312-284 A Chicago Zone 01-Franklin IL CHCGILTCDS4  7056 XO ILLINOIS, INC. 358      
312-285 A Chicago Zone 01-Wabash IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
312-286 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-287 A Chicago Zone 07-Stewart IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
312-288 A Chicago Zone 01-Calumet IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-289 A Chicago Zone 01-Calumet IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-290 A Chicago Zone 01-Calumet IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-291 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-292 A Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
312-293 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-294 A Chicago Zone 01-Wabash IL CHCGILWBDS3  9329 AMERITECH ILLINOIS 358      
312-295 A La Grange IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-296 A Chicago Zone 01-Calumet IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
312-297 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 AMERITECH ILLINOIS 358      
312-298 A Chicago Zone 01-Calumet IL NPVLILBGRP0  667E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 358      
312-299 A Chicago Zone 01-Wabash IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-300 A Chicago Zone 01-Calumet IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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