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: 326

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-326 A Laredo TX LARDTXDGRS0  9533 SOUTHWESTERN BELL 566      
956-326 0 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2007-07-31   
956-326 1 Laredo TX   9533 SOUTHWESTERN BELL 566      
956-326 2 Laredo TX   9533 SOUTHWESTERN BELL 566      
956-326 3 Laredo TX   9533 SOUTHWESTERN BELL 566      
956-326 4 Laredo TX   9533 SOUTHWESTERN BELL 566      
956-326 5 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2006-04-06   
956-326 6 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2006-04-06   
956-326 7 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2006-04-06   
956-326 8 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2007-07-31   
956-326 9 Laredo TX   4290 STPCS JOINT VENTURE, LLC 566   2007-07-31   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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