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: 547

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-547 A Ironton OH IRTNOH5353C  9321 AMERITECH OHIO 324      
740-547 0 Ironton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2015-07-04   
740-547 2 Ironton OH IRTNOH5353C  9321 AMERITECH OHIO 324      
740-547 3 Ironton OH IRTNOH5353C  9321 AMERITECH OHIO 324      
740-547 4 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-10-22   
740-547 6 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-06-29   
740-547 7 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-06-29   
740-547 8 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-01-18   
740-547 9 Ironton OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2007-01-18   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.