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.
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OCN: 6266 UNITED STATES CELLULAR CORP. - IOWA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-551 7 Hawarden (Hawarden Municipal Utilities) IA   630      
712-552 7 Hawarden IA   630   2007-04-11   
712-563 6 Audubon IA   644   2009-04-20   
712-621 A Red Oak IA RDOKIAAF0MD  644      
712-631 0 Sheldon IA   630   2007-12-03   
712-631 1 Sheldon IA   630   2013-08-12   
712-730 A Storm Lake IA SPNCIAAC2MD  630      
712-730 0 Storm Lake IA   630      
712-730 1 Storm Lake IA   630      
712-730 2 Storm Lake IA   630   2014-04-18   
712-730 8 Storm Lake IA   630   2011-10-29   
712-823 4 Sergeant Bluff IA   630   2019-06-23   
712-830 A Lidderdale IA CRRLIAAF0MD  644      
712-832 0 Lake Park IA   630   2008-09-04   
712-873 8 Moville IA   630   2019-06-23   

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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