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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-438 A Pittsburg TX   883K AHOI LLC 554   2026-05-21   
430-438 4 Pittsburg TX   883K AHOI LLC 554   2026-05-21   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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