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: 860

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-860 A Houston TX   490J DISH WIRELESS, LLC 560   2025-04-14   
346-860 0 Houston TX   490J DISH WIRELESS, LLC 560   2025-04-14   
346-860 1 Houston TX   490J DISH WIRELESS, LLC 560   2025-04-14   
346-860 2 Houston TX   490J DISH WIRELESS, LLC 560   2025-04-14   
346-860 3 Houston TX   490J DISH WIRELESS, LLC 560   2025-04-14   
346-860 4 Houston TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-12-16   
346-860 5 Houston TX   490J DISH WIRELESS, LLC 560   2025-06-14   
346-860 6 Houston TX   490J DISH WIRELESS, LLC 560   2025-06-14   
346-860 7 Houston TX   490J DISH WIRELESS, LLC 560   2025-06-14   
346-860 8 Houston TX   490J DISH WIRELESS, LLC 560   2025-08-13   
346-860 9 Houston TX   490J DISH WIRELESS, LLC 560   2025-08-13   

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

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