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: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-443 A Spring TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2021-01-14   
346-443 0 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-01-09   
346-443 1 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-01-09   
346-443 2 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-03   
346-443 3 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-03   
346-443 4 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-03   
346-443 5 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-03   
346-443 6 Spring TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-12-03   
346-443 7 Spring TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2020-11-28   
346-443 8 Spring TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2020-11-28   
346-443 9 Spring TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-01-09   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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