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: 839

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-839 A Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 5 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 6 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 7 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 8 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   
956-839 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2025-11-17   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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