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: LTRKARVARS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
501-448 A Ferndale AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528      
501-448 0 Ferndale AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528      
501-448 3 Ferndale AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528   2010-02-14   
501-448 4 Ferndale AR 7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528   2010-05-05   

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

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