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: 385

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-385 A Marshall TX   903C ONVOY, LLC - TX 554   2025-06-06   
430-385 0 Marshall TX   903C ONVOY, LLC - TX 554   2025-06-06   

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

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