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: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-301 A Rio Grande OH WOTNOHFCDS0  4852 FIRST COMMUNICATIONS LLC DBA CORECOMM - OH 324      
740-301 0 Rio Grande OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2006-08-21   
740-301 1 Rio Grande OH   001F BANDWIDTH.COM CLEC LLC - OH 324   2012-02-09   
740-301 2 Rio Grande OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   
740-301 3 Rio Grande OH   516C AT&T CORP. 324   2011-10-05   
740-301 4 Rio Grande OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2014-10-20   
740-301 5 Rio Grande OH   145J TERRA NOVA TELECOM INC. 324   2020-12-31   
740-301 6 Rio Grande OH   508J CENTURYLINK COMMUNICATIONS LLC 324   2014-07-07   
740-301 7 Rio Grande OH   036B CITYNET OHIO, LLC - OH 324   2008-07-06   
740-301 8 Rio Grande OH   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   
740-301 9 Rio Grande OH   4852 FIRST COMMUNICATIONS LLC DBA CORECOMM - OH 324      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.