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: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-831 A Lake Park IA LKPKIA07DS0  345D GREAT LAKES COMMUNICATION CORP. - IA 630      
712-831 0 Lake Park IA LKPKIA07DS0  345D GREAT LAKES COMMUNICATION CORP. - IA 630      
712-831 1 Lake Park IA   6529 T-MOBILE USA, INC. 630      
712-831 2 Lake Park IA   6529 T-MOBILE USA, INC. 630      
712-831 5 Lake Park IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630      
712-831 7 Lake Park IA SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630      
712-831 8 Lake Park IA LKPKIA07DS0  345D GREAT LAKES COMMUNICATION CORP. - IA 630      
712-831 9 Lake Park IA LKPKIA07DS0  345D GREAT LAKES COMMUNICATION CORP. - IA 630      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.