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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
312-671 1 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-671 2 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-671 3 Chicago Zone 01-Calumet IL ELGNILOTGT5  5562 METROPCS, INC. 358      
312-671 4 Chicago Zone 01-Calumet IL ELGNILOTGT5  5562 METROPCS, INC. 358      
312-671 5 Chicago Zone 01-Calumet IL ELGNILOTGT5  5562 METROPCS, INC. 358      
312-671 6 Chicago Zone 01-Calumet IL ELGNILOTGT5  5562 METROPCS, INC. 358      
312-671 7 Chicago Zone 01-Calumet IL ELGNILOTGT5  5562 METROPCS, INC. 358      
312-671 8 Chicago Zone 01-Calumet IL ELGNILOTGT5  5562 METROPCS, INC. 358      
312-671 9 Chicago Zone 01-Calumet IL ELGNILOTGT5  5562 METROPCS, INC. 358      
312-672 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 0 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 1 Chicago Zone 01-Canal IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-05-26   
312-672 2 Chicago Zone 01-Canal IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-10   
312-672 3 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 4 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 5 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 6 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 7 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 8 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-672 9 Chicago Zone 01-Canal IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-10   
312-673 A Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
312-674 A Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-674 0 Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-674 1 Chicago Zone 01-Calumet IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
312-674 2 Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-674 3 Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-674 4 Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-674 5 Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-674 6 Chicago Zone 01-Calumet IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-06-24   
312-674 7 Chicago Zone 01-Calumet IL DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2011-01-05   
312-674 8 Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-674 9 Chicago Zone 01-Calumet IL CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-675 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-675 0 Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 ILLINOIS BELL TEL CO 358      
312-675 1 Chicago Zone 01-Wabash IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-05-26   
312-675 2 Chicago Zone 01-Wabash IL CHCGIL24DS6  224C ONVOY, LLC 358   2009-08-21   
312-675 3 Chicago Zone 01-Wabash IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-10-12   
312-675 4 Chicago Zone 01-Wabash IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-10-12   
312-675 5 Chicago Zone 01-Wabash IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-10-12   
312-675 6 Chicago Zone 01-Wabash IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-10-12   
312-675 7 Chicago Zone 01-Wabash IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-10-12   
312-675 8 Chicago Zone 01-Wabash IL CHCGIL24DS6  224C ONVOY, LLC 358   2009-08-21   
312-675 9 Chicago Zone 01-Wabash IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-05-26   
312-676 A Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
312-676 0 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 1 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 2 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 3 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 4 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 5 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 6 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 7 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 8 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-676 9 Chicago Zone 01-Calumet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-08-07   
312-677 A Chicago Zone 01-Wabash IL LBRDILGOAMD  6630 USA MOBILITY WIRELESS, INC. 358      
312-678 A Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-678 0 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-24   
312-678 1 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-24   
312-678 2 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-24   
312-678 3 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-23   
312-678 4 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-23   
312-678 5 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-23   
312-678 6 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-23   
312-678 7 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-23   
312-678 8 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-23   
312-678 9 Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-09-23   
312-679 A Chicago Zone 01-Wabash IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-680 A Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358      
312-680 0 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 1 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 2 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 3 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 4 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 5 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 6 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 7 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 8 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-680 9 Chicago Zone 01-Calumet IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-07-01   
312-681 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 0 Chicago Zone 01-Canal IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-10-27   
312-681 1 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 2 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 3 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 4 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 5 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 6 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 7 Chicago Zone 01-Canal IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2019-12-28   
312-681 8 Chicago Zone 01-Canal IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
312-681 9 Chicago Zone 01-Canal IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-10-27   
312-682 A Chicago Zone 01-Calumet IL CHCGILWBXSZ  478J NUSO, LLC 358      
312-682 0 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-10-31   
312-682 1 Chicago Zone 01-Calumet IL CHCGILWBXSZ  478J NUSO, LLC 358   2020-07-16   
312-682 2 Chicago Zone 01-Calumet IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2020-07-17   
312-682 3 Chicago Zone 01-Calumet IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2020-07-17   
312-682 4 Chicago Zone 01-Calumet IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2020-07-17   
312-682 5 Chicago Zone 01-Calumet IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2020-07-17   
312-682 6 Chicago Zone 01-Calumet IL CHCGILWBXSZ  478J NUSO, LLC 358   2020-08-07   
312-682 7 Chicago Zone 01-Calumet IL CHCGILWBXSZ  478J NUSO, LLC 358   2020-08-07   
312-682 8 Chicago Zone 01-Calumet IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2020-08-16   
312-682 9 Chicago Zone 01-Calumet IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-10-31   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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