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: 843

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-843 A McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 0 McAllen TX HRLNTXHGXYX  793K TWC IP ENABLED SERVICES, LLC 568   2014-10-31   
956-843 1 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 2 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 3 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 4 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 5 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 6 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 7 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 8 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      
956-843 9 McAllen TX MCALTXHIRS1  9533 SOUTHWESTERN BELL 568      

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

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