Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 937 [Rate centres in NPA 937] [Dial plan for NPA 937]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-300 A Eaton OH DYTNOH22X1Z  6529 T-MOBILE USA, INC. 328      
937-300 0 Eaton OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2023-10-11   
937-300 1 Eaton OH DYTNOH22X1Z  6529 T-MOBILE USA, INC. 328   2022-02-09   
937-300 2 Eaton OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2022-04-09   
937-300 3 Eaton OH DYTNOH22X0Z  5562 METROPCS, INC. 328   2021-06-05   
937-300 4 Eaton OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2022-10-21   
937-300 6 Eaton OH DYTNOH22XEY  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 328   2019-06-17   
937-300 7 Eaton OH DYTNOH22X0Z  5562 METROPCS, INC. 328   2021-07-31   
937-300 8 Eaton OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2018-09-27   
937-300 9 Eaton OH DYTNOH22X1Z  6529 T-MOBILE USA, INC. 328   2017-07-16   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.