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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-330 A Collinsville TX SHMNTXXASMD  903C ONVOY, LLC - TX 552      
430-330 0 Collinsville TX   903C ONVOY, LLC - TX 552   2023-01-16   
430-330 1 Collinsville TX   939H COMMIO, LLC 552   2024-01-20   
430-330 2 Collinsville TX   939H COMMIO, LLC 552   2024-01-20   
430-330 3 Collinsville TX   903C ONVOY, LLC - TX 552   2023-01-16   
430-330 4 Collinsville TX   624H ONVOY SPECTRUM, LLC 552   2024-01-04   
430-330 8 Collinsville TX   939H COMMIO, LLC 552   2024-01-20   
430-330 9 Collinsville TX   939H COMMIO, LLC 552   2024-01-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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