Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 676

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-676 A Brownsville TX HRLNTXDU6MD  475J CALLWORKS CORPORATION 568      
956-676 0 Brownsville TX   073H TELNYX LLC 568   2022-07-01   
956-676 1 Brownsville TX   475J CALLWORKS CORPORATION 568   2022-05-05   
956-676 2 Brownsville TX   903C ONVOY, LLC - TX 568   2023-01-07   
956-676 3 Brownsville TX   903C ONVOY, LLC - TX 568   2023-01-07   
956-676 4 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2022-07-23   
956-676 5 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2022-07-23   
956-676 6 Brownsville TX   145J TERRA NOVA TELECOM INC. 568   2022-07-05   
956-676 7 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2022-07-23   
956-676 8 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2022-07-23   
956-676 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2022-07-23   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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