Local Calling Guide

Area code/prefix search

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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-781 2 Coldwater MI   624H ONVOY SPECTRUM, LLC 348   2022-01-10   
517-781 3 Coldwater MI   7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 348   2020-09-08   
517-781 4 Coldwater MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
517-781 5 Coldwater MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-07-08   
517-781 6 Coldwater MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-07-08   
517-781 7 Coldwater MI   543C ONVOY, LLCV - MI 348   2019-05-04   
517-781 8 Coldwater MI   543C ONVOY, LLCV - MI 348   2019-05-04   
517-781 9 Coldwater MI   624H ONVOY SPECTRUM, LLC 348   2022-01-10   
517-782 A Jackson MI JCSNMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-783 A Jackson MI JCSNMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-784 A Jackson MI JCSNMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-785 A Onondaga MI LNNGMIMNX3Y  2550 123.NET, LLC 346      
517-786 A Charlotte MI LNNGMIMNXFZ  965H FRACTEL, LLC 346      
517-786 0 Charlotte MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2021-09-09   
517-786 1 Charlotte MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2021-09-09   
517-786 2 Charlotte MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2021-09-09   
517-786 3 Charlotte MI   318J COMCAST IP PHONE, LLC 346   2022-09-16   
517-786 4 Charlotte MI   543C ONVOY, LLCV - MI 346   2023-08-13   
517-786 5 Charlotte MI   543C ONVOY, LLCV - MI 346   2023-08-13   
517-786 6 Charlotte MI   543C ONVOY, LLCV - MI 346   2023-08-13   
517-786 7 Charlotte MI   965H FRACTEL, LLC 346   2021-05-31   
517-786 8 Charlotte MI   624H ONVOY SPECTRUM, LLC 346   2021-06-17   
517-786 9 Charlotte MI   939H COMMIO, LLC 346   2022-09-26   
517-787 A Jackson MI JCSNMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-788 A Jackson MI JCSNMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-789 A Jackson MI JCSNMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-790 A Mosherville MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-790 0 Mosherville MI   543C ONVOY, LLCV - MI 346   2018-10-20   
517-790 2 Mosherville MI   543C ONVOY, LLCV - MI 346   2021-06-18   
517-790 3 Mosherville MI   3535 ACD TELECOM, INC. - MI 346      
517-790 4 Mosherville MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2016-04-08   
517-790 5 Mosherville MI   318J COMCAST IP PHONE, LLC 346   2008-08-28   
517-790 6 Mosherville MI   624H ONVOY SPECTRUM, LLC 346   2021-06-17   
517-790 7 Mosherville MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2016-01-26   
517-790 8 Mosherville MI   543C ONVOY, LLCV - MI 346   2021-07-11   
517-792 A Montgomery MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-793 A Litchfield MI MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-793 0 Litchfield MI   543C ONVOY, LLCV - MI 346   2023-09-03   
517-793 1 Litchfield MI   792K CHARTER IP ENABLED SERVICES, LLC 346   2012-10-05   
517-793 3 Litchfield MI   3535 ACD TELECOM, INC. - MI 346      
517-793 4 Litchfield MI   543C ONVOY, LLCV - MI 346   2020-05-09   
517-793 5 Litchfield MI   543C ONVOY, LLCV - MI 346   2020-05-09   
517-794 A Lansing MI LNNGMIMNXJY  9748 AMERICAN MESSAGING SERVICES, LLC 346      
517-795 A Jackson MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-795 0 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-795 1 Jackson MI   318J COMCAST IP PHONE, LLC 346   2007-06-08   
517-795 2 Jackson MI   318J COMCAST IP PHONE, LLC 346   2007-06-08   
517-795 3 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-795 4 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      
517-795 5 Jackson MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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