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: 265

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-265 A Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 0 Denison IA OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644      
712-265 1 Denison IA OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644      
712-265 2 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 3 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 4 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 5 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 6 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 7 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 8 Denison IA DESNIAXODS0  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 644      
712-265 9 Denison IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644   2021-06-24   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.