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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-664 A New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 1 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 2 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 3 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 4 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 5 New Marshfield OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-664 6 New Marshfield OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-664 7 New Marshfield OH   793K TWC IP ENABLED SERVICES, LLC 324      
740-664 8 New Marshfield OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-664 9 New Marshfield OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.