Local Calling Guide

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Caro, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-231 A   817J INTERACTIVE SERVICES NETWORK, INC. 344      
989-286 A SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-286 0   792K CHARTER IP ENABLED SERVICES, LLC 344   2018-05-20   
989-286 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2010-04-01   
989-286 2   5562 METROPCS, INC. 344      
989-286 3   792K CHARTER IP ENABLED SERVICES, LLC 344   2012-10-05   
989-286 4   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2016-09-06   
989-286 5   991E BANDWIDTH.COM CLEC, LLC - MI 344   2017-09-28   
989-286 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-286 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-286 8   046L CLEAR RATE COMMUNICATIONS, LLC 344   2010-06-09   
989-286 9   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344   2018-08-07   
989-325 A SGNWMIFAX6Z  6718 THUMB CELLULAR LP 344      
989-325 0   6718 THUMB CELLULAR LP 344      
989-325 1   6718 THUMB CELLULAR LP 344      
989-325 2   6718 THUMB CELLULAR LP 344      
989-325 3   6718 THUMB CELLULAR LP 344      
989-325 4   6718 THUMB CELLULAR LP 344      
989-325 5   6718 THUMB CELLULAR LP 344      
989-325 6   5562 METROPCS, INC. 344   2010-12-15   
989-325 7   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2015-12-10   
989-325 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2015-03-27   
989-325 9   6718 THUMB CELLULAR LP 344      
989-589 A SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-589 0   543C ONVOY, LLCV - MI 344   2021-11-15   
989-589 1   991E BANDWIDTH.COM CLEC, LLC - MI 344   2022-03-11   
989-589 2   991E BANDWIDTH.COM CLEC, LLC - MI 344   2022-04-21   
989-589 5   543C ONVOY, LLCV - MI 344   2018-11-24   
989-589 8   543C ONVOY, LLCV - MI 344   2021-02-04   
989-589 9   543C ONVOY, LLCV - MI 344   2021-02-04   
989-670 A SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-672 A CAROMIXIDS1  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 0   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 1   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 2   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 3   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 4   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 5   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 6   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 7   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 8   0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-672 9   5562 METROPCS, INC. 344   2008-12-13   
989-673 A CAROMIXIDS1  0702 BRIGHTSPEED OF MICHIGAN, LLC 344      
989-989 A SGNWMIAC7MD  939H COMMIO, LLC 344      
989-989 8   624H ONVOY SPECTRUM, LLC 344   2024-08-11   
989-989 9   939H COMMIO, LLC 344   2023-05-07   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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