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: HRLNTXDU7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-234 6 San Benito TX 145J TERRA NOVA TELECOM INC. 568   2023-08-06   
956-339 9 Edinburg TX 145J TERRA NOVA TELECOM INC. 568   2022-10-03   
956-535 6 Harlingen TX 145J TERRA NOVA TELECOM INC. 568   2023-08-06   
956-577 9 Harlingen TX 145J TERRA NOVA TELECOM INC. 568   2023-01-14   
956-598 9 Mission TX 145J TERRA NOVA TELECOM INC. 568   2023-11-16   
956-676 6 Brownsville TX 145J TERRA NOVA TELECOM INC. 568   2022-07-05   
956-690 2 Raymondville TX 145J TERRA NOVA TELECOM INC. 568   2023-04-29   
956-808 A Harlingen TX 145J TERRA NOVA TELECOM INC. 568      
956-828 8 McAllen TX 145J TERRA NOVA TELECOM INC. 568   2023-06-23   
956-934 0 San Benito TX 145J TERRA NOVA TELECOM INC. 568   2023-01-14   

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

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