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: MRDLIAXORS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-764 A Martensdale IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-764 0 Martensdale IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-764 1 Martensdale IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-764 2 Martensdale IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      

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

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