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: 615

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-615 A Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560      
346-615 0 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2023-09-17   
346-615 1 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2024-02-22   
346-615 2 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2023-07-15   
346-615 3 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2023-03-10   
346-615 4 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2023-03-10   
346-615 5 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2024-02-22   
346-615 6 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2024-02-22   
346-615 7 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2024-02-22   
346-615 8 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2024-05-20   
346-615 9 Katy TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2024-06-29   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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