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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-392 A Texarkana TX   128L E. RITTER COMMUNICATIONS, LLC 554   2026-02-19   
430-392 1 Texarkana TX   128L E. RITTER COMMUNICATIONS, LLC 554   2026-02-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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