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: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-657 A Lake View IA LKVWIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-657 0 Lake View IA LKVWIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-657 1 Lake View IA LKVWIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-657 2 Lake View IA LKVWIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-657 3 Lake View IA LKVWIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-657 4 Lake View IA WLLKIAXO2MD  6529 T-MOBILE USA, INC. 644      
712-657 5 Lake View IA WLLKIAXO2MD  6529 T-MOBILE USA, INC. 644      
712-657 6 Lake View IA RCCYIAXCHMD  221F ONVOY, LLC - IA 644      
712-657 7 Lake View IA RCCYIAXCHMD  221F ONVOY, LLC - IA 644      
712-657 8 Lake View IA LKVWIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 644      
712-657 9 Lake View IA WLLKIAXO2MD  6529 T-MOBILE USA, INC. 644      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.