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: 396

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-396 A Denison TX   903C ONVOY, LLC - TX 552   2026-09-11   
430-396 0 Denison TX   903C ONVOY, LLC - TX 552   2026-09-11   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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