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: 925

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-925 A Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 0 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 1 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 2 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 3 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 4 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 5 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 6 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 7 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   
346-925 8 Houston TX   903C ONVOY, LLC - TX 560   2026-05-31   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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