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: KLDFIAXODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-317 A Kanawha IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632      
641-317 0 Kanawha IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2011-06-13   
641-317 1 Kanawha IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2011-06-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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