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: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 651

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-651 A Bayard IA BYRDIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      
712-651 0 Bayard IA DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 644   2019-06-27   
712-651 1 Bayard IA BYRDIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      
712-651 2 Bayard IA BYRDIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      
712-651 5 Bayard IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-10-30   
712-651 6 Bayard IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-05-21   
712-651 8 Bayard IA OMAHNENWGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2021-08-20   
712-651 9 Bayard IA BYRDIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 644      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.