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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-331 A Athens OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-331 0 Athens OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-05-17   
740-331 1 Athens OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-05-17   
740-331 2 Athens OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-05-17   
740-331 3 Athens OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2018-11-23   
740-331 4 Athens OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-331 5 Athens OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2018-11-23   
740-331 6 Athens OH CLMBOHFQDS2  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324   2010-04-02   
740-331 7 Athens OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2012-11-10   
740-331 8 Athens OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2022-04-01   
740-331 9 Athens OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2011-01-21   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.