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: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-721 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 0 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 1 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 2 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 3 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 4 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 5 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 6 Laredo TX SNANTX91X3Y  5562 METROPCS, INC. 566   2009-04-13   
956-721 7 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 8 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-721 9 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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