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: 589

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-589 A Spring TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-589 0 Spring TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-11-19   
346-589 1 Spring TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-11-19   
346-589 2 Spring TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-11-20   
346-589 3 Spring TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-11-20   
346-589 4 Spring TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-11-20   
346-589 5 Spring TX   903C ONVOY, LLC - TX 560   2022-12-11   
346-589 6 Spring TX   903C ONVOY, LLC - TX 560   2022-12-11   
346-589 7 Spring TX   903C ONVOY, LLC - TX 560   2022-12-11   
346-589 8 Spring TX   903C ONVOY, LLC - TX 560   2023-01-15   
346-589 9 Spring TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2023-04-02   

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

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