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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-744 A Tipp City OH   793K TWC IP ENABLED SERVICES, LLC 328      
937-744 0 Tipp City OH   793K TWC IP ENABLED SERVICES, LLC 328   2018-09-28   
937-744 1 Tipp City OH   073H TELNYX LLC 328   2021-01-22   
937-744 2 Tipp City OH   516J TON80 COMMUNICATIONS, LLC 328   2021-07-12   
937-744 3 Tipp City OH   464C ONVOY, LLC - OH 328   2021-11-14   
937-744 4 Tipp City OH   464C ONVOY, LLC - OH 328   2019-05-23   
937-744 5 Tipp City OH   464C ONVOY, LLC - OH 328   2021-02-12   
937-744 6 Tipp City OH   464C ONVOY, LLC - OH 328   2021-02-12   
937-744 7 Tipp City OH   464C ONVOY, LLC - OH 328   2019-05-23   
937-744 8 Tipp City OH   5562 METROPCS, INC. 328   2022-03-02   
937-744 9 Tipp City OH   5562 METROPCS, INC. 328   2022-03-02   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.