Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-309 A Sugar Land TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-309 0 Sugar Land TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2016-02-26   
346-309 1 Sugar Land TX   5562 METROPCS, INC. 560   2016-03-27   
346-309 2 Sugar Land TX   318J COMCAST IP PHONE, LLC 560   2015-11-12   
346-309 3 Sugar Land TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-02-07   
346-309 4 Sugar Land TX   318J COMCAST IP PHONE, LLC 560   2017-06-15   
346-309 5 Sugar Land TX   5562 METROPCS, INC. 560   2016-01-04   
346-309 6 Sugar Land TX   5562 METROPCS, INC. 560   2016-01-04   
346-309 7 Sugar Land TX   5562 METROPCS, INC. 560   2016-01-04   
346-309 8 Sugar Land TX   5562 METROPCS, INC. 560   2016-02-02   
346-309 9 Sugar Land TX   5562 METROPCS, INC. 560   2016-02-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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