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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-278 A Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2024-02-09   
740-278 0 Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2021-04-27   
740-278 1 Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2021-04-27   
740-278 2 Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-278 3 Steubenville OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2010-06-18   
740-278 4 Steubenville OH MRTTOH377MD  9681 FIBERNET OF OHIO, LLC - OH 324   2007-04-27   
740-278 5 Steubenville OH WOTNOH88XVX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2010-10-30   
740-278 6 Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-278 7 Steubenville OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2014-05-10   
740-278 8 Steubenville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-13   
740-278 9 Steubenville OH   6701 AERIAL COMMUNICATIONS, INC. 324   2019-03-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.