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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-277 A Satsuma TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-277 0 Satsuma TX   903C ONVOY, LLC - TX 560   2017-12-02   
346-277 1 Satsuma TX   5562 METROPCS, INC. 560   2017-12-03   
346-277 2 Satsuma TX   5562 METROPCS, INC. 560   2017-12-03   
346-277 3 Satsuma TX   5562 METROPCS, INC. 560   2017-12-03   
346-277 4 Satsuma TX   5562 METROPCS, INC. 560   2017-12-03   
346-277 5 Satsuma TX   5562 METROPCS, INC. 560   2017-12-03   
346-277 6 Satsuma TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-12-01   
346-277 7 Satsuma TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-12-01   
346-277 8 Satsuma TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-12-21   
346-277 9 Satsuma TX   903C ONVOY, LLC - TX 560   2018-02-24   

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

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