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: LGVWTX060MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-867 2 Longview TX 939H COMMIO, LLC 554   2024-01-19   
430-867 4 Longview TX 939H COMMIO, LLC 554   2024-01-19   
430-867 5 Longview TX 939H COMMIO, LLC 554   2021-06-11   
903-483 8 Kilgore TX 939H COMMIO, LLC 554   2022-08-07   
903-541 6 Jacksonville TX 939H COMMIO, LLC 554   2022-10-28   

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

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