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: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-721 A New Lexington OH   460K FIRST COMMUNICATIONS, LLC 324      
740-721 0 New Lexington OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-721 1 New Lexington OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324      
740-721 2 New Lexington OH   515J IP HORIZON LLC 324      
740-721 3 New Lexington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-721 4 New Lexington OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-721 5 New Lexington OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-721 6 New Lexington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-721 7 New Lexington OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324      
740-721 8 New Lexington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-721 9 New Lexington OH   624H ONVOY SPECTRUM, LLC 324      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.