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: HSTNTXYADS5

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
832-979 A Humble TX 903C ONVOY, LLC - TX 560      
936-247 A Shepherd TX 903C ONVOY, LLC - TX 560      
936-249 A Willis TX 903C ONVOY, LLC - TX 560      
936-265 A Shiro TX 903C ONVOY, LLC - TX 560      
936-277 A Raywood TX 903C ONVOY, LLC - TX 560      
936-300 A Crockett TX 903C ONVOY, LLC - TX 560      
936-306 A Navasota TX 903C ONVOY, LLC - TX 560      
936-313 A Raywood TX 903C ONVOY, LLC - TX 560      
936-317 A Bedias TX 903C ONVOY, LLC - TX 560      
936-319 A Groveton TX 903C ONVOY, LLC - TX 560      
936-322 A Joaquin TX 903C ONVOY, LLC - TX 560      
936-325 A Prairie View TX 903C ONVOY, LLC - TX 560      
936-353 A Timpson TX 903C ONVOY, LLC - TX 560      
936-393 A Saratoga TX 903C ONVOY, LLC - TX 560      
936-400 A Huntsville TX 903C ONVOY, LLC - TX 560      
936-403 A Willis TX 903C ONVOY, LLC - TX 560   2024-07-06   
936-502 A Cushing TX 903C ONVOY, LLC - TX 560      
936-706 A Chireno TX 903C ONVOY, LLC - TX 560      
936-810 A Timpson TX 903C ONVOY, LLC - TX 560      
936-910 A Kennard TX 903C ONVOY, LLC - TX 560      
936-930 A Washington TX 903C ONVOY, LLC - TX 560      
936-935 A North Zulch TX 903C ONVOY, LLC - TX 560      
936-937 A Hilltop Lakes TX 903C ONVOY, LLC - TX 560      
936-939 A Iola TX 903C ONVOY, LLC - TX 560      
979-269 A Freeport TX 903C ONVOY, LLC - TX 560      
979-320 A El Campo TX 903C ONVOY, LLC - TX 560      
979-426 A Matagorda TX 903C ONVOY, LLC - TX 560      
979-493 A Columbus TX 903C ONVOY, LLC - TX 560      
979-710 A Hempstead TX 903C ONVOY, LLC - TX 560      
979-859 A Columbus TX 903C ONVOY, LLC - TX 560      
979-888 A Angleton TX 903C ONVOY, LLC - TX 560      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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