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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-210 A Brownsville TX HRLNTXDUFMD  883K AHOI LLC 568   2026-07-30   
956-210 0 Brownsville TX HRLNTXDUFMD  883K AHOI LLC 568   2026-07-30   
956-210 1 Brownsville TX   903C ONVOY, LLC - TX 568   2026-09-27   
956-210 7 Brownsville TX   9558 INTRADO COMMUNICATIONS, LLC 568   2026-11-01   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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