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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-374 A Sidney IA SDNYIAXPDS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-374 0 Sidney IA DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 644   2013-10-07   
712-374 1 Sidney IA SDNYIAXPDS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-374 2 Sidney IA SDNYIAXPDS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-374 3 Sidney IA SDNYIAXPDS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-374 4 Sidney IA SDNYIAXPDS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-374 6 Sidney IA SDNYIAXPDS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 644      
712-374 7 Sidney IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-04-02   
712-374 8 Sidney IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-04-02   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.