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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-203 A Delaware OH CLMDOH44DS0  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 324      
740-203 0 Delaware OH CLMFOHJU3MD  5562 METROPCS, INC. 324   2022-03-02   
740-203 1 Delaware OH CLMDOH44DS0  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 324   2006-11-18   
740-203 2 Delaware OH CLMDOH44DS0  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 324      
740-203 3 Delaware OH CLMDOH44DS0  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 324   2005-08-31   
740-203 4 Delaware OH CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2006-01-12   
740-203 5 Delaware OH CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2006-01-12   
740-203 6 Delaware OH CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2006-01-12   
740-203 7 Delaware OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2023-01-01   
740-203 8 Delaware OH CLMDOH44DS0  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 324   2009-10-24   
740-203 9 Delaware OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-05   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.