Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 937 [Rate centres in NPA 937] [Dial plan for NPA 937]

NXX: 939

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-939 A Hillsboro OH DYTNOHKT2MD  073H TELNYX LLC 328      
937-939 0 Hillsboro OH   6529 T-MOBILE USA, INC. 328   2022-01-28   
937-939 1 Hillsboro OH   6529 T-MOBILE USA, INC. 328   2022-01-28   
937-939 2 Hillsboro OH   464C ONVOY, LLC - OH 328   2020-01-26   
937-939 3 Hillsboro OH   464C ONVOY, LLC - OH 328   2020-01-26   
937-939 4 Hillsboro OH   464C ONVOY, LLC - OH 328   2020-01-26   
937-939 5 Hillsboro OH   6529 T-MOBILE USA, INC. 328   2021-06-17   
937-939 6 Hillsboro OH   6529 T-MOBILE USA, INC. 328   2021-06-17   
937-939 7 Hillsboro OH   6529 T-MOBILE USA, INC. 328   2021-06-17   
937-939 8 Hillsboro OH   001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-01-08   
937-939 9 Hillsboro OH   073H TELNYX LLC 328   2017-03-15   

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

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