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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-291 A Storm Lake IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-291 0 Storm Lake IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-291 1 Storm Lake IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-291 2 Storm Lake IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2009-04-04   
712-291 3 Storm Lake IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2009-11-19   
712-291 4 Storm Lake IA SXCYIADTKMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630   2013-05-15   
712-291 5 Storm Lake IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-291 6 Storm Lake IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-291 7 Storm Lake IA SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-28   
712-291 8 Storm Lake IA SXCYIADTMMD  751F MCC TELEPHONY OF IOWA, LLC - IA 630   2010-04-23   
712-291 9 Storm Lake IA SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2008-02-08   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.