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: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
937-540 A Englewood OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328      
937-540 0 Englewood OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC LLC - OH 328   2009-01-04   
937-540 1 Englewood OH HMTNOHHMDS3  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 328   2008-03-15   
937-540 2 Englewood OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC LLC - OH 328   2010-06-18   
937-540 3 Englewood OH DYTNOH22XLY  600F CBTS TECHNOLOGY SOLUTIONS LLC - OH 328   2012-11-14   
937-540 4 Englewood OH DYTNOH22X6Y  001F BANDWIDTH.COM CLEC LLC - OH 328   2014-05-23   
937-540 5 Englewood OH DYTNOH22XVY  5562 METROPCS, INC. 328   2013-11-14   
937-540 6 Englewood OH DYTNOH22XEY  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 328   2013-08-08   
937-540 7 Englewood OH   508J CENTURYLINK COMMUNICATIONS LLC 328   2014-05-31   
937-540 8 Englewood OH DYTNOH22XRY  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2013-10-10   
937-540 9 Englewood OH DYTNOH22XRY  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 328   2010-04-16   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.