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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OCN: 1711 BRIGHTSPEED OF NORTHERN ARKANSAS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
870-499 0 Norfork AR NRFRARXADS0  528      
870-499 3 Norfork AR NRFRARXADS0  528      
870-499 5 Norfork AR NRFRARXADS0  528      
870-499 7 Norfork AR NRFRARXADS0  528      
870-499 8 Norfork AR NRFRARXADS0  528      
870-508 A Mountain Home AR MTHOARXADS1  528      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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