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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-220 A Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-220 0 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-02-25   
346-220 1 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-02-25   
346-220 2 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-03-04   
346-220 3 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-03-04   
346-220 4 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-23   
346-220 5 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-04-23   
346-220 6 Spring TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2016-07-17   
346-220 7 Spring TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-09-12   
346-220 8 Spring TX HSTNTX08X0X  763H IP GLOBAL NETWORKS - TX 560   2016-04-16   
346-220 9 Spring TX   515J IP HORIZON LLC 560   2016-03-28   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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