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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-522 A Sioux City IA SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630      
712-522 0 Sioux City IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2015-06-14   
712-522 1 Sioux City IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2015-08-23   
712-522 2 Sioux City IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2011-04-08   
712-522 3 Sioux City IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2011-12-22   
712-522 4 Sioux City IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2012-03-17   
712-522 5 Sioux City IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2012-07-05   
712-522 6 Sioux City IA SXCYIA78X1X  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 630   2013-06-22   
712-522 7 Sioux City IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2015-10-28   
712-522 8 Sioux City IA SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2019-10-19   
712-522 9 Sioux City IA SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2011-01-02   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.