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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Switch: DNMKIAXORS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-528 A Denmark IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 1 Denmark IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 4 Denmark IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 6 Denmark IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      

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

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