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: 365

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-365 A Jefferson TX   793K TWC IP ENABLED SERVICES, LLC 554      
430-365 1 Jefferson TX   793K TWC IP ENABLED SERVICES, LLC 554   2024-10-13   
430-365 2 Jefferson TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2025-04-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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