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.

Switch: DUBQIAUS1MD

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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      
563-513 7 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
563-513 8 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
563-513 9 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
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      
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      
563-690 8 Dubuque IA 6266 UNITED STATES CELLULAR - IA 634      
563-770 8 Muscatine IA 6266 UNITED STATES CELLULAR - IA 634      
563-770 9 Muscatine IA 6266 UNITED STATES CELLULAR - IA 634      
563-875 4 Dyersville IA 6266 UNITED STATES CELLULAR - IA 634      
563-886 4 Tipton IA 6266 UNITED STATES CELLULAR - IA 634      
563-886 7 Tipton IA 6266 UNITED STATES CELLULAR - IA 634      
563-949 A Davenport IA 6266 UNITED STATES CELLULAR - IA 634      
563-949 3 Davenport IA 6266 UNITED STATES CELLULAR - IA 634      
563-949 6 Davenport IA 6266 UNITED STATES CELLULAR - IA 634      
563-949 7 Davenport IA 6266 UNITED STATES CELLULAR - IA 634      

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

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