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: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-433 A Port Isabel TX   4290 STPCS JOINT VENTURE, LLC 568      
956-433 0 Port Isabel TX MCALTX930MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568      
956-433 1 Port Isabel TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-433 2 Port Isabel TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-433 3 Port Isabel TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-433 4 Port Isabel TX HRLNTXKX7MD  5562 METROPCS, INC. 568      
956-433 5 Port Isabel TX   793K TWC IP ENABLED SERVICES, LLC 568      
956-433 6 Port Isabel TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-433 7 Port Isabel TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-433 8 Port Isabel TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-433 9 Port Isabel TX   4290 STPCS JOINT VENTURE, LLC 568      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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