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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-256 A Caddo Mills TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
430-256 0 Caddo Mills TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-06-20   
430-256 1 Caddo Mills TX DLLSTX97X1X  073H TELNYX LLC 552   2019-06-21   
430-256 2 Caddo Mills TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-09-10   
430-256 3 Caddo Mills TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2023-06-26   
430-256 4 Caddo Mills TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2025-04-26   
430-256 5 Caddo Mills TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2023-08-12   
430-256 6 Caddo Mills TX DLLSTX97XGX  490J DISH WIRELESS, LLC 552   2023-01-15   
430-256 7 Caddo Mills TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-05-04   
430-256 8 Caddo Mills TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2023-03-12   
430-256 9 Caddo Mills TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2022-02-03   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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