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: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-821 A Splendora TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-07-06   
346-821 0 Splendora TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2024-07-06   
346-821 1 Splendora TX   792K CHARTER IP ENABLED SERVICES, LLC 560   2026-02-01   
346-821 2 Splendora TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2024-12-02   
346-821 3 Splendora TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2025-03-01   
346-821 8 Splendora TX   515J IP HORIZON LLC 560   2025-03-02   
346-821 9 Splendora TX   515J IP HORIZON LLC 560   2025-03-02   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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