Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 567

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-567 A Mont Belvieu TX BYTWTXXAHMD  903C ONVOY, LLC - TX 560      
346-567 0 Mont Belvieu TX   073H TELNYX LLC 560   2019-12-13   
346-567 1 Mont Belvieu TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2019-11-28   
346-567 2 Mont Belvieu TX   197D VONAGE AMERICA LLC 560   2020-05-08   
346-567 3 Mont Belvieu TX   197D VONAGE AMERICA LLC 560   2020-05-08   
346-567 4 Mont Belvieu TX   903C ONVOY, LLC - TX 560   2019-08-15   
346-567 5 Mont Belvieu TX   903C ONVOY, LLC - TX 560   2019-08-15   
346-567 6 Mont Belvieu TX   903C ONVOY, LLC - TX 560   2020-08-22   
346-567 7 Mont Belvieu TX   903C ONVOY, LLC - TX 560   2020-08-22   
346-567 8 Mont Belvieu TX   903C ONVOY, LLC - TX 560   2020-08-22   
346-567 9 Mont Belvieu TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2024-12-26   

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

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