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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-345 A Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328      
937-345 0 Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-09-23   
937-345 1 Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-09-23   
937-345 2 Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-09-23   
937-345 3 Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-09-23   
937-345 4 Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-09-23   
937-345 5 Dayton OH DYTNOH22XGY  464C ONVOY, LLC - OH 328   2024-07-12   
937-345 6 Dayton OH DYTNOH22XEY  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 328   2023-06-05   
937-345 7 Dayton OH DYTNOH22XEY  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 328   2023-06-05   
937-345 8 Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-10-30   
937-345 9 Dayton OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC, LLC - OH 328   2022-10-30   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.