Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-614 6 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2012-11-18   
312-614 7 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2012-11-18   
312-614 8 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2012-11-18   
312-614 9 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2012-11-28   
312-615 A Wheeling IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-615 6 Wheeling IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-616 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 ILLINOIS BELL TEL CO 358      
312-617 A Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
312-617 0 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
312-617 1 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 2 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 3 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 4 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 5 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 6 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 7 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 8 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 358      
312-617 9 Chicago Zone 01-Calumet IL CHCGILMF5MD  6529 T-MOBILE USA, INC. 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      
312-619 0 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2012-10-26   
312-619 1 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2012-10-26   
312-619 2 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2012-10-26   
312-619 3 Chicago Zone 01-Calumet IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2012-10-29   
312-619 4 Chicago Zone 01-Calumet IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2012-11-04   
312-619 5 Chicago Zone 01-Calumet IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2012-11-04   
312-619 6 Chicago Zone 01-Calumet IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-11-18   
312-619 7 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2012-11-28   
312-619 8 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2012-11-28   
312-619 9 Chicago Zone 01-Calumet IL CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2012-10-26   
312-620 A Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
312-620 0 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 1 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 2 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 3 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 4 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 5 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 6 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 7 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 8 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-620 9 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-13   
312-621 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 ILLINOIS BELL TEL CO 358      
312-622 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-622 0 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-622 1 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-622 2 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-622 3 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-622 4 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-622 5 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-622 6 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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