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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-424 A Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 324      
740-424 0 Steubenville OH   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 324      
740-424 1 Steubenville OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2005-09-24   
740-424 2 Steubenville OH   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 324   2005-01-28   
740-424 3 Steubenville OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2005-01-19   
740-424 4 Steubenville OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2005-01-19   
740-424 5 Steubenville OH   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 324   2005-08-15   
740-424 6 Steubenville OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2006-10-04   
740-424 7 Steubenville OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2005-11-26   
740-424 8 Steubenville OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2006-10-04   
740-424 9 Steubenville OH   6701 AERIAL COMMUNICATIONS DBA T-MOBILE USA 324      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.