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: 398

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-398 A Tyler TX   903C ONVOY, LLC - TX 554   2026-09-14   
430-398 0 Tyler TX   903C ONVOY, LLC - TX 554   2026-09-14   
430-398 1 Tyler TX   903C ONVOY, LLC - TX 554   2026-09-14   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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