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
956-264 1 Harlingen TX 073H TELNYX LLC 568   2020-12-04   
956-347 0 Lyford TX 073H TELNYX LLC 568   2021-03-21   
956-370 8 Rio Grande City TX 073H TELNYX LLC 568   2021-04-08   
956-396 1 Falcon Heights TX 073H TELNYX LLC 568   2021-03-14   
956-398 6 Raymondville TX 073H TELNYX LLC 568   2021-04-08   
956-446 1 Sullivan City TX 073H TELNYX LLC 568   2021-04-09   
956-474 9 Mercedes TX 073H TELNYX LLC 568   2021-03-22   
956-505 5 Brownsville TX 073H TELNYX LLC 568   2021-03-14   
956-506 A Harlingen TX 073H TELNYX LLC 568      
956-506 1 Harlingen TX 073H TELNYX LLC 568   2020-01-23   
956-527 1 Edcouch TX 073H TELNYX LLC 568   2021-03-14   
956-556 4 Los Fresnos TX 073H TELNYX LLC 568   2021-03-21   
956-597 1 Donna TX 073H TELNYX LLC 568   2021-03-12   
956-613 8 Roma TX 073H TELNYX LLC 568   2021-04-08   
956-633 8 Santa Rosa TX 073H TELNYX LLC 568   2021-04-08   
956-644 0 Zapata TX 073H TELNYX LLC 568   2021-04-09   
956-697 0 Port Isabel TX 073H TELNYX LLC 568   2021-03-28   
956-705 5 Pharr TX 073H TELNYX LLC 568   2023-07-29   
956-748 0 Rio Hondo TX 073H TELNYX LLC 568   2021-04-08   
956-833 0 Mission TX 073H TELNYX LLC 568   2021-03-22   
956-848 6 Falcon Heights TX 073H TELNYX LLC 568   2022-10-14   
956-856 1 Weslaco TX 073H TELNYX LLC 568   2021-04-09   
956-887 9 La Feria TX 073H TELNYX LLC 568   2022-05-07   
956-899 5 McAllen TX 073H TELNYX LLC 568   2021-03-22   
956-957 0 Edinburg TX 073H TELNYX LLC 568   2021-03-14   

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

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