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: LTRKARFRXFY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
501-309 A Little Rock AR 624H ONVOY SPECTRUM, LLC 528      
501-343 A Little Rock AR 624H ONVOY SPECTRUM, LLC 528      
501-347 A Little Rock AR 624H ONVOY SPECTRUM, LLC 528      
501-461 A Bauxite AR 624H ONVOY SPECTRUM, LLC 528      
501-488 A Bradford AR 624H ONVOY SPECTRUM, LLC 528      
501-512 A Bryant-Collegeville AR 624H ONVOY SPECTRUM, LLC 528      
501-540 A McRae AR 624H ONVOY SPECTRUM, LLC 528   2024-04-25   
501-710 A Little Rock AR 624H ONVOY SPECTRUM, LLC 528      
870-720 A Viola AR 624H ONVOY SPECTRUM, LLC 528   2024-04-25   
870-954 A Ash Flat AR 624H ONVOY SPECTRUM, LLC 528   2024-10-11   
870-961 A Rosston AR 624H ONVOY SPECTRUM, LLC 528   2024-04-25   
870-988 A Hardy AR 624H ONVOY SPECTRUM, LLC 528   2024-10-11   
870-996 A Blevins AR 624H ONVOY SPECTRUM, LLC 528   2024-04-25   

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

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