Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Crosby, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
346-480 5 BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2023-06-22   
346-480 6 BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2023-08-07   
346-480 7 BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2023-09-22   
346-480 8 HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2022-05-21   
346-480 9 HSTGTX052MD  073H TELNYX LLC 560   2022-04-23   
346-682 A BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2024-05-19   
346-682 0 BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2024-05-19   
346-682 1 BYTWTXXAHMD  903C ONVOY, LLC - TX 560   2024-06-22   
346-682 8   004F BANDWIDTH.COM CLEC, LLC - TX 560   2025-12-11   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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