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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-999 8 Laredo TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2013-09-22   
956-999 9 Laredo TX SNANTXTSDS0  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 566   2013-07-06   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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