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: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-231 A Miller Grove TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
430-231 0 Miller Grove TX   515J IP HORIZON LLC 552   2017-12-15   
430-231 1 Miller Grove TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-06-11   
430-231 2 Miller Grove TX DLLSTX97X1X  073H TELNYX LLC 552   2019-05-17   
430-231 3 Miller Grove TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2025-01-23   
430-231 4 Miller Grove TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-15   
430-231 5 Miller Grove TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-04-15   
430-231 7 Miller Grove TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2015-11-14   
430-231 8 Miller Grove TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-02-03   
430-231 9 Miller Grove TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-02-03   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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