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: KLLNTXXA0MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-599 1 Copperas Cove TX 903C ONVOY, LLC - TX 556   2023-09-22   
254-658 6 Killeen TX 903C ONVOY, LLC - TX 556   2023-12-03   
254-658 7 Killeen TX 903C ONVOY, LLC - TX 556   2023-12-03   
254-818 0 Killeen TX 903C ONVOY, LLC - TX 556   2023-09-17   
254-818 1 Killeen TX 903C ONVOY, LLC - TX 556   2023-09-22   
254-818 2 Killeen TX 903C ONVOY, LLC - TX 556   2023-09-22   
254-970 9 Florence TX 903C ONVOY, LLC - TX 556   2021-07-05   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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