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: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-571 A Wilmington OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328   2020-12-28   
937-571 0 Wilmington OH DYTNOH014MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 328      
937-571 1 Wilmington OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2014-06-08   
937-571 4 Wilmington OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2015-12-15   
937-571 5 Wilmington OH DYTNOH22X8Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 328   2015-10-19   
937-571 7 Wilmington OH WLMGOHXBCMD  036B CITYNET OHIO, LLC - OH 328   2009-05-18   
937-571 8 Wilmington OH WLMGOHXBJMD  6664 SPRINT SPECTRUM, L.P. 328   2016-03-31   
937-571 9 Wilmington OH WLMGOHXBJMD  6664 SPRINT SPECTRUM, L.P. 328   2016-03-31   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.