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: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-379 A Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
346-379 0 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-03-25   
346-379 1 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-03-25   
346-379 2 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2020-03-16   
346-379 3 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-04   
346-379 4 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2019-07-04   
346-379 5 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2020-08-13   
346-379 6 Cypress TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2020-08-13   
346-379 7 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-09-29   
346-379 8 Cypress TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2019-07-05   
346-379 9 Cypress TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-03-23   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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