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: 358

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-358 A League City TX DCSNTXXAJMD  903C ONVOY, LLC - TX 560      
346-358 0 League City TX   903C ONVOY, LLC - TX 560   2020-12-10   
346-358 1 League City TX   073H TELNYX LLC 560   2019-09-21   
346-358 2 League City TX   903C ONVOY, LLC - TX 560   2024-12-14   
346-358 3 League City TX   903C ONVOY, LLC - TX 560   2018-10-22   
346-358 4 League City TX   903C ONVOY, LLC - TX 560   2018-10-22   
346-358 5 League City TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-03-22   
346-358 6 League City TX   903C ONVOY, LLC - TX 560   2020-12-10   
346-358 7 League City TX   903C ONVOY, LLC - TX 560   2018-10-14   
346-358 8 League City TX   903C ONVOY, LLC - TX 560   2018-10-14   
346-358 9 League City TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2018-10-15   

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

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