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: HSTNTXMOX6X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-797 3 Burton TX 624H ONVOY SPECTRUM, LLC 560   2021-12-04   
979-797 5 Burton TX 624H ONVOY SPECTRUM, LLC 560   2021-12-04   
979-797 6 Burton TX 624H ONVOY SPECTRUM, LLC 560   2021-07-10   
979-837 8 Angleton TX 624H ONVOY SPECTRUM, LLC 560   2021-07-09   
979-863 0 Matagorda TX 624H ONVOY SPECTRUM, LLC 560   2021-07-18   
979-993 2 Wallis TX 624H ONVOY SPECTRUM, LLC 560   2021-12-04   
979-993 4 Wallis TX 624H ONVOY SPECTRUM, LLC 560   2021-12-04   
979-993 7 Wallis TX 624H ONVOY SPECTRUM, LLC 560   2021-07-11   
979-999 3 Garwood TX 624H ONVOY SPECTRUM, LLC 560   2021-12-04   
979-999 8 Garwood TX 624H ONVOY SPECTRUM, LLC 560   2021-12-04   

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

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