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: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-242 A Laredo TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
956-242 0 Laredo TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2004-12-27   
956-242 1 Laredo TX   5562 METROPCS, INC. 566   2005-02-10   
956-242 2 Laredo TX   5562 METROPCS, INC. 566   2005-02-10   
956-242 3 Laredo TX   5562 METROPCS, INC. 566   2005-02-10   
956-242 4 Laredo TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
956-242 5 Laredo TX   5562 METROPCS, INC. 566   2005-05-05   
956-242 6 Laredo TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2005-09-17   
956-242 7 Laredo TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2005-09-17   
956-242 8 Laredo TX   5562 METROPCS, INC. 566   2005-11-14   
956-242 9 Laredo TX   5562 METROPCS, INC. 566   2005-11-14   

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

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