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: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-431 A Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 0 Plano TX DLLATX37EMD  197D VONAGE AMERICA LLC 552      
972-431 1 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 2 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 3 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 4 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 5 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 6 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 7 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 8 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
972-431 9 Plano TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.