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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-934 5 San Benito TX 903C ONVOY, LLC - TX 568   2021-04-12   
956-934 6 San Benito TX 903C ONVOY, LLC - TX 568   2021-04-12   
956-934 9 San Benito TX 903C ONVOY, LLC - TX 568   2023-10-16   
956-946 4 Mission TX 903C ONVOY, LLC - TX 568   2021-11-13   
956-953 A Los Fresnos TX 903C ONVOY, LLC - TX 568   2024-04-07   
956-953 0 Los Fresnos TX 903C ONVOY, LLC - TX 568   2024-04-07   
956-953 8 Los Fresnos TX 903C ONVOY, LLC - TX 568   2024-05-11   
956-957 A Edinburg TX 903C ONVOY, LLC - TX 568      
956-957 5 Edinburg TX 903C ONVOY, LLC - TX 568   2020-12-19   
956-963 A La Feria TX 903C ONVOY, LLC - TX 568   2024-05-13   
956-963 0 La Feria TX 903C ONVOY, LLC - TX 568   2024-05-13   
956-974 A McAllen TX 903C ONVOY, LLC - TX 568   2024-06-03   
956-974 0 McAllen TX 903C ONVOY, LLC - TX 568   2024-06-03   
956-983 9 Brownsville TX 903C ONVOY, LLC - TX 568   2019-12-28   
956-995 A McAllen TX 903C ONVOY, LLC - TX 568   2025-05-09   
956-995 0 McAllen TX 903C ONVOY, LLC - TX 568   2025-05-09   
956-995 1 McAllen TX 903C ONVOY, LLC - TX 568   2025-05-12   
956-996 6 Mission TX 903C ONVOY, LLC - TX 568   2019-04-23   
956-996 8 Mission TX 903C ONVOY, LLC - TX 568   2019-04-23   
956-997 8 Mission TX 903C ONVOY, LLC - TX 568   2019-04-23   
956-997 9 Mission TX 903C ONVOY, LLC - TX 568   2019-04-23   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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