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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-513 6 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634   2015-10-05   
563-513 7 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634   2007-03-30   
563-513 8 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634   2007-03-30   
563-513 9 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634   2007-03-30   
563-542 A Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
563-543 A Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
563-559 1 Clinton IA 6266 UNITED STATES CELLULAR - IA 634   2012-10-19   
563-590 A Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
563-599 A Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
563-659 7 De Witt IA 6266 UNITED STATES CELLULAR - IA 634   2017-08-15   
563-690 8 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634   2011-09-22   
563-770 8 Muscatine IA 6266 UNITED STATES CELLULAR - IA 634   2016-06-15   
563-770 9 Muscatine IA 6266 UNITED STATES CELLULAR - IA 634   2016-06-03   
563-875 4 Dyersville IA 6266 UNITED STATES CELLULAR - IA 634   2012-08-11   
563-886 4 Tipton IA 6266 UNITED STATES CELLULAR - IA 634   2007-02-07   
563-886 7 Tipton IA 6266 UNITED STATES CELLULAR - IA 634   2011-09-22   
563-949 A Davenport IA 6266 UNITED STATES CELLULAR - IA 634      
563-949 3 Davenport IA 6266 UNITED STATES CELLULAR - IA 634   2016-09-26   
563-949 6 Davenport IA 6266 UNITED STATES CELLULAR - IA 634      
563-949 7 Davenport IA 6266 UNITED STATES CELLULAR - IA 634   2012-12-03   

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

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