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: CRCHTXTUX5Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-732 0 Aransas Pass TX 073H TELNYX LLC 564   2021-03-16   
361-738 1 Odem TX 073H TELNYX LLC 564   2021-03-24   
361-752 9 Robstown TX 073H TELNYX LLC 564   2021-04-08   
361-831 0 Flatonia TX 073H TELNYX LLC 564   2021-03-14   
361-899 0 San Diego TX 073H TELNYX LLC 564   2021-04-08   
361-938 0 Nordheim TX 073H TELNYX LLC 564   2023-05-07   
361-998 0 Agua Dulce TX 073H TELNYX LLC 564   2021-02-27   

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

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