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: 598

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-598 A Brilliant OH BRILOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-598 1 Brilliant OH BRILOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-598 2 Brilliant OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2010-03-01   
740-598 3 Brilliant OH BRILOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-598 4 Brilliant OH BRILOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-598 5 Brilliant OH CLMBOHFQDS2  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324   2007-08-26   
740-598 6 Brilliant OH BRILOHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-598 7 Brilliant OH CLMDOH44MMD  516J TON80 COMMUNICATIONS, LLC 324   2021-11-04   
740-598 8 Brilliant OH CLMBOH1151Z  318J COMCAST IP PHONE, LLC 324   2005-05-16   
740-598 9 Brilliant OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.