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: 790

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-790 A La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-05-19   
346-790 0 La Porte TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-05-19   
346-790 1 La Porte TX   515J IP HORIZON LLC 560   2025-03-01   
346-790 2 La Porte TX   515J IP HORIZON LLC 560   2025-03-01   

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

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