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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: PNBLARJEXSY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
870-831 4 Hamburg AR 624H ONVOY SPECTRUM, LLC 530   2024-06-22   
870-843 7 Junction City AR 624H ONVOY SPECTRUM, LLC 530   2024-06-15   
870-877 0 Arkansas City AR 624H ONVOY SPECTRUM, LLC 530   2024-06-08   
870-906 0 Star City AR 624H ONVOY SPECTRUM, LLC 530   2024-07-01   
870-943 0 Huttig AR 624H ONVOY SPECTRUM, LLC 530   2024-06-22   
870-962 0 Urbana AR 624H ONVOY SPECTRUM, LLC 530   2024-07-01   
870-986 A Norphlet AR 624H ONVOY SPECTRUM, LLC 530   2024-10-11   
870-986 0 Norphlet AR 624H ONVOY SPECTRUM, LLC 530   2024-10-11   

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

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