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: WACOTXEIKMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-558 3 Gordon TX 939H COMMIO, LLC 552   2024-02-22   
254-558 4 Gordon TX 939H COMMIO, LLC 552   2024-02-22   
254-866 0 Troy TX 939H COMMIO, LLC 556   2023-10-29   
254-866 1 Troy TX 939H COMMIO, LLC 556   2023-10-29   
254-866 7 Troy TX 939H COMMIO, LLC 556   2023-10-29   
254-866 8 Troy TX 939H COMMIO, LLC 556   2023-10-29   
254-866 9 Troy TX 939H COMMIO, LLC 556   2023-10-29   
254-878 A Waco TX 939H COMMIO, LLC 556      
254-878 6 Waco TX 939H COMMIO, LLC 556   2020-01-03   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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