Local Calling Guide

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Laredo, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
956-721 7 LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 8 LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 9 LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-722 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-723 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-724 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-725 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-726 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-727 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-728 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-729 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-736 A SNANTXCA94Z  490J BOOST SUBSCRIBERCO L.L.C. 566      
956-736 0 SNANTXCA94Z  490J BOOST SUBSCRIBERCO L.L.C. 566   2023-09-01   
956-736 1 SNANTXDIRMD  903C ONVOY, LLC - TX 566   2023-09-02   
956-736 2 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-09-02   
956-736 3 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-09-02   
956-736 4 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-09-02   
956-736 5 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-09-02   
956-736 6 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-09-02   
956-736 7 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-10-15   
956-736 8 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-10-15   
956-736 9 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-10-15   
956-740 A SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-744 A SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-749 A SNANTXDIRMD  903C ONVOY, LLC - TX 566   2025-02-03   
956-749 0 SNANTXDIRMD  903C ONVOY, LLC - TX 566   2025-02-03   
956-749 1 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 2 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 3 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 4 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 5 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 6 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 7 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 8 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-749 9 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2025-03-16   
956-753 A LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-754 A SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566      
956-754 0 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2007-02-20   
956-754 1 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 2 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 3 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 4 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 5 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 6 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 7 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 8 SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2007-03-04   
956-754 9 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2006-11-21   
956-757 A SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
956-757 0 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2023-11-23   
956-757 1 SNANTX39TMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2023-11-23   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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