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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Bismarck, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
501-338 A LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
501-338 1 NLRKAR444MD  5562 METROPCS, INC. 528   2021-05-15   
501-338 2 LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2019-06-03   
501-865 A BSMRARXADS1  1697 CENTRAL ARKANSAS TEL. COOP., INC. 528      

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

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