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: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-597 A Langham Creek TX HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
346-597 0 Langham Creek TX   624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-597 1 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   
346-597 2 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   
346-597 3 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   
346-597 4 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   
346-597 5 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   
346-597 6 Langham Creek TX   624H ONVOY SPECTRUM, LLC 560   2022-12-17   
346-597 7 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   
346-597 8 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   
346-597 9 Langham Creek TX   903C ONVOY, LLC - TX 560   2022-12-17   

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

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