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: WACOTX01XIX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-952 3 Killeen TX 903C ONVOY, LLC - TX 556   2021-01-07   
254-952 4 Killeen TX 903C ONVOY, LLC - TX 556   2021-01-07   
254-952 5 Killeen TX 903C ONVOY, LLC - TX 556   2021-01-07   
254-966 5 Burlington TX 903C ONVOY, LLC - TX 556   2021-08-20   
254-966 7 Burlington TX 903C ONVOY, LLC - TX 556   2021-07-18   
254-970 0 Florence TX 903C ONVOY, LLC - TX 556   2017-05-15   
254-970 2 Florence TX 903C ONVOY, LLC - TX 556   2019-10-31   
254-970 3 Florence TX 903C ONVOY, LLC - TX 556   2019-10-31   
254-970 5 Florence TX 903C ONVOY, LLC - TX 556   2021-03-15   
254-970 8 Florence TX 903C ONVOY, LLC - TX 556   2021-03-15   
254-974 3 Iredell TX 903C ONVOY, LLC - TX 556   2019-07-10   
254-974 4 Iredell TX 903C ONVOY, LLC - TX 556   2021-03-15   
254-974 8 Iredell TX 903C ONVOY, LLC - TX 556   2019-10-31   
254-978 4 Meridian TX 903C ONVOY, LLC - TX 556   2016-04-11   
254-978 7 Meridian TX 903C ONVOY, LLC - TX 556   2016-04-11   
254-978 8 Meridian TX 903C ONVOY, LLC - TX 556   2015-08-09   
254-988 8 Rosebud TX 903C ONVOY, LLC - TX 556   2019-07-10   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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