Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-346 A Castroville TX SNANTXCAHMD  073H TELNYX LLC 566      
830-346 0 Castroville TX   073H TELNYX LLC 566   2017-04-29   
830-346 1 Castroville TX   004F BANDWIDTH.COM CLEC, LLC - TX 566   2017-08-06   
830-346 2 Castroville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2017-12-29   
830-346 3 Castroville TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2020-05-31   
830-346 4 Castroville TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2020-06-30   
830-346 5 Castroville TX   903C ONVOY, LLC - TX 566   2020-12-11   
830-346 6 Castroville TX   624H ONVOY SPECTRUM, LLC 566   2021-06-24   
830-346 7 Castroville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2020-10-04   
830-346 8 Castroville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2024-12-07   
830-346 9 Castroville TX   903C ONVOY, LLC - TX 566   2021-03-19   

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

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