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: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-240 A Longview TX LGVWTXBAX1Y  197D VONAGE AMERICA LLC 554      
430-240 0 Longview TX   197D VONAGE AMERICA LLC 554   2018-05-04   
430-240 1 Longview TX   004F BANDWIDTH.COM CLEC, LLC - TX 554   2022-10-09   
430-240 2 Longview TX   624H ONVOY SPECTRUM, LLC 554   2021-06-28   
430-240 3 Longview TX   490J DISH WIRELESS, LLC 554   2024-01-13   
430-240 4 Longview TX   903C ONVOY, LLC - TX 554   2018-10-25   
430-240 5 Longview TX   903C ONVOY, LLC - TX 554   2018-10-25   
430-240 6 Longview TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 554   2018-08-01   
430-240 7 Longview TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2025-02-10   
430-240 8 Longview TX   903C ONVOY, LLC - TX 554   2019-04-04   
430-240 9 Longview TX   903C ONVOY, LLC - TX 554   2019-04-04   

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

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