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: GNBRARXA7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
501-331 6 Perryville AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-393 6 Pangburn AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-419 3 Rose Bud AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-427 1 Maumelle AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-432 9 Nimrod AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-440 5 South Fourche AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-460 0 Greenbrier AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-469 A Bigelow AR 624H ONVOY SPECTRUM, LLC 528      
501-469 9 Bigelow AR 624H ONVOY SPECTRUM, LLC 528   2022-01-01   
501-518 3 Damascus AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-524 0 Vilonia AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-571 1 Wye AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-662 3 Perry AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-755 2 Quitman AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-849 9 Enola AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
501-870 A Morganton AR 624H ONVOY SPECTRUM, LLC 528   2024-04-02   
501-870 0 Morganton AR 624H ONVOY SPECTRUM, LLC 528   2024-04-02   
870-383 1 Elaine AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
870-383 2 Elaine AR 624H ONVOY SPECTRUM, LLC 528   2024-07-02   
870-485 6 Swifton AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   
870-808 0 Tuckerman AR 624H ONVOY SPECTRUM, LLC 528   2024-02-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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