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: HNVIALUNX2Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
938-510 5 Russellville AL 624H ONVOY SPECTRUM, LLC 477   2022-02-19   
938-722 1 Section AL 624H ONVOY SPECTRUM, LLC 477   2023-06-24   
938-833 A Skyline AL 624H ONVOY SPECTRUM, LLC 477      
938-833 3 Skyline AL 624H ONVOY SPECTRUM, LLC 477   2023-07-29   
938-902 A Huntsville AL 624H ONVOY SPECTRUM, LLC 477      
938-902 9 Huntsville AL 624H ONVOY SPECTRUM, LLC 477   2021-06-14   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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