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.

Switch: CLMBOH11XJZ

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-885 2 Marietta OH 516C AT&T CORP. 324   2011-06-06   
740-908 3 London OH 516C AT&T CORP. 324   2010-12-14   
740-925 4 Gallipolis OH 516C AT&T CORP. 324   2011-10-05   
740-926 5 Beallsville OH 516C AT&T CORP. 324   2011-10-05   
740-934 5 Graysville OH 516C AT&T CORP. 324   2015-04-24   

<< 1 2

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.