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: 558

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-558 A McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-558 0 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2020-10-12   
956-558 1 McAllen TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2020-10-15   
956-558 2 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-02-05   
956-558 3 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-02-05   
956-558 4 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-02-05   
956-558 5 McAllen TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2020-12-22   
956-558 6 McAllen TX HRLNTXATTMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2020-12-17   
956-558 7 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-02-05   
956-558 8 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2021-02-05   
956-558 9 McAllen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2020-10-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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