Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 906

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-906 A Houston TX   490J DISH WIRELESS, LLC 560   2026-01-31   
346-906 0 Houston TX   490J DISH WIRELESS, LLC 560   2026-01-31   
346-906 1 Houston TX   490J DISH WIRELESS, LLC 560   2026-02-18   
346-906 2 Houston TX   490J DISH WIRELESS, LLC 560   2026-03-18   
346-906 3 Houston TX   490J DISH WIRELESS, LLC 560   2026-04-15   
346-906 4 Houston TX   490J DISH WIRELESS, LLC 560   2026-05-27   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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