Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-366 A Jim Hogg TX   793K TWC IP ENABLED SERVICES, LLC 554      
430-366 1 Jim Hogg TX   793K TWC IP ENABLED SERVICES, LLC 554   2024-11-03   
430-366 6 Jim Hogg TX   145J TERRA NOVA TELECOM INC. 554   2026-01-10   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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