Local Calling Guide

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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
312-605 A Chicago Zone 01-Calumet IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-606 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-607 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-608 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-609 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-610 A Chicago Zone 01-Calumet IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-612 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-613 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-614 A Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-615 A Wheeling IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-616 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 AMERITECH ILLINOIS 358      
312-617 A Chicago Zone 01-Calumet IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
312-618 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-619 A Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
312-620 A Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
312-621 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-622 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-623 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-624 A Chicago Zone 01-Canal IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-625 A Chicago Zone 01-Calumet IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-626 A Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358      
312-627 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 AMERITECH ILLINOIS 358      
312-628 A Chicago Zone 01-Franklin IL CHCGILTCDS0  7056 XO ILLINOIS, INC. 358      
312-629 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-630 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-631 A Chicago Zone 01-Calumet IL CHCGILDT8MD  7575 CENTURYLINK COMMUNICATIONS LLC 358      
312-632 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 AMERITECH ILLINOIS 358      
312-633 A Chicago Zone 01-Monroe IL CHCGILMODS0  9329 AMERITECH ILLINOIS 358      
312-634 A Chicago Zone 01-Franklin IL CHCGILFRDS1  9329 AMERITECH ILLINOIS 358      
312-635 A Chicago Zone 01-Wabash IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC.-IL 358      
312-636 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-637 A Chicago Zone 01-Canal IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-638 A Chicago Zone 01-Canal IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-639 A Chicago Zone 01-Calumet IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-640 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-641 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-642 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-643 A Chicago Zone 01-Superior IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-644 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS2  9329 AMERITECH ILLINOIS 358      
312-645 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS2  9329 AMERITECH ILLINOIS 358      
312-646 A Chicago Zone 01-Calumet IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-647 A Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
312-648 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-649 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-650 A Chicago Zone 01-Lakeshore IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-651 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-652 A Chicago Zone 01-Franklin IL CHCGILFRDS4  9329 AMERITECH ILLINOIS 358      
312-653 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 AMERITECH ILLINOIS 358      
312-654 A Chicago Zone 01-Superior IL CHCGILSUDS0  9329 AMERITECH ILLINOIS 358      
312-655 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      

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

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