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
979-800 4 Garwood TX 903C ONVOY, LLC - TX 560   2020-05-15   
979-800 5 Garwood TX 903C ONVOY, LLC - TX 560   2020-05-15   
979-800 6 Garwood TX 903C ONVOY, LLC - TX 560   2020-05-15   
979-803 3 Burton TX 903C ONVOY, LLC - TX 560   2016-05-27   
979-803 4 Burton TX 903C ONVOY, LLC - TX 560   2016-05-27   
979-859 A Columbus TX 903C ONVOY, LLC - TX 560      
979-859 7 Columbus TX 903C ONVOY, LLC - TX 560   2011-06-09   
979-863 8 Matagorda TX 903C ONVOY, LLC - TX 560   2011-09-02   
979-865 6 Bellville TX 903C ONVOY, LLC - TX 560   2016-03-26   
979-871 2 Freeport TX 903C ONVOY, LLC - TX 560   2011-06-17   
979-871 5 Freeport TX 903C ONVOY, LLC - TX 560   2010-11-15   
979-888 A Angleton TX 903C ONVOY, LLC - TX 560      
979-888 1 Angleton TX 903C ONVOY, LLC - TX 560   2011-07-29   
979-888 5 Angleton TX 903C ONVOY, LLC - TX 560   2013-01-12   
979-888 9 Angleton TX 903C ONVOY, LLC - TX 560   2011-06-09   
979-900 1 Angleton TX 903C ONVOY, LLC - TX 560   2010-11-28   
979-987 6 Sealy TX 903C ONVOY, LLC - TX 560   2011-09-02   
979-987 7 Sealy TX 903C ONVOY, LLC - TX 560   2013-01-12   
979-999 7 Garwood TX 903C ONVOY, LLC - TX 560   2010-11-15   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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