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: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 445

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-445 A Barlow OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-445 0 Barlow OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2019-02-22   
740-445 1 Barlow OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2019-02-22   
740-445 2 Barlow OH WOTNOH88X0Y  506J TWILIO INTERNATIONAL, INC. 324   2021-06-30   
740-445 4 Barlow OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-445 5 Barlow OH CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2007-07-27   
740-445 9 Barlow OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-04   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.