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: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-863 A Houston TX   733J WIRETAP TELECOM, LLC. 560   2025-05-12   
346-863 8 Houston TX   733J WIRETAP TELECOM, LLC. 560   2025-05-12   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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