Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 924

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-924 A Coldwater MI   792K CHARTER IP ENABLED SERVICES, LLC 348      
517-924 0 Coldwater MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2007-02-25   
517-924 1 Coldwater MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2011-12-01   
517-924 3 Coldwater MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-04   
517-924 4 Coldwater MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-04   
517-924 5 Coldwater MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-10-07   
517-924 6 Coldwater MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-10-07   
517-924 7 Coldwater MI GDRPMIBL31Z  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2021-10-07   
517-924 8 Coldwater MI GDRPMIBL31Z  5562 METROPCS, INC. 348   2021-10-15   
517-924 9 Coldwater MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-07-02   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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