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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
312-707 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-709 A Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
312-710 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-712 A Chicago Zone 01-Superior IL CHCGILSUDS2  9329 AMERITECH ILLINOIS 358      
312-713 A Chicago Zone 01-Wabash IL CHCIILYACM0  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-714 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-715 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 AMERITECH ILLINOIS 358      
312-716 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-717 A La Grange IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-718 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-719 A Chicago Zone 01-Calumet IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
312-720 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-721 A Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
312-722 A Chicago Zone 01-Calumet IL CHCGILWBXEZ  8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358      
312-723 A Chicago Zone 01-Calumet IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-724 A Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
312-725 A Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
312-726 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-727 A Chicago Zone 01-Franklin IL CHCGILFRDS2  9329 AMERITECH ILLINOIS 358      
312-728 A Chicago Zone 01-Calumet IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-729 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 AMERITECH ILLINOIS 358      
312-730 A Chicago Zone 01-Wabash IL CHCGILCLDSC  7421 AT&T LOCAL 358      
312-731 A Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358      
312-732 A Chicago Zone 01-Wabash IL CHCGILWBDS0  9329 AMERITECH ILLINOIS 358      
312-733 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-734 A Chicago Zone 01-Calumet IL CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-735 A Chicago Zone 04-Humboldt IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
312-736 A Chicago Zone 01-Calumet IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-737 A Chicago Zone 01-Franklin IL CHCGILFRDS4  9329 AMERITECH ILLINOIS 358      
312-738 A Chicago Zone 01-Monroe IL CHCGILMODS0  9329 AMERITECH ILLINOIS 358      
312-739 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-740 A Chicago Zone 01-Wabash IL CHCIILYACM0  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-741 A Chicago Zone 01-Calumet IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-742 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-743 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-744 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-745 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-746 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-747 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-748 A Chicago Zone 01-Wabash IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
312-749 A Hinsdale IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-750 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-751 A Chicago Zone 01-Superior IL CHCGILSUDS0  9329 AMERITECH ILLINOIS 358      
312-752 A Chicago Zone 01-Wabash IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
312-753 A Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-754 A Chicago Zone 01-Calumet IL CHCGILCPDS9  138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358      
312-755 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-756 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 AMERITECH ILLINOIS 358      
312-757 A Chicago Zone 01-Calumet IL CHCGILDTDSA  072H GETGO COMMUNICATIONS LLC - IL 358      
312-758 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

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

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