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: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-329 A Carroll OH CLMBOHFQDS2  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324      
740-329 1 Carroll OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   
740-329 2 Carroll OH WOTNOH88X0Y  506J TWILIO INTERNATIONAL INC 324   2021-06-30   
740-329 3 Carroll OH CLMBOHFQDS2  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324      
740-329 7 Carroll OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS LLC 324   2014-07-03   
740-329 8 Carroll OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.