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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
327-327 A Wilmar AR 624H ONVOY SPECTRUM, LLC 530   2024-10-11   
327-870 A Tillar AR 624H ONVOY SPECTRUM, LLC 530   2024-10-11   
870-341 A Pine Bluff AR 624H ONVOY SPECTRUM, LLC 530      
870-986 A Norphlet AR 624H ONVOY SPECTRUM, LLC 530   2024-10-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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