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: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-420 A Sugar Land TX HSTDTXBGBMD  5562 METROPCS, INC. 560      
346-420 0 Sugar Land TX   5562 METROPCS, INC. 560   2017-05-19   
346-420 1 Sugar Land TX   5562 METROPCS, INC. 560   2017-05-19   
346-420 2 Sugar Land TX   5562 METROPCS, INC. 560   2017-05-19   
346-420 3 Sugar Land TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-06-18   
346-420 4 Sugar Land TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-06-18   
346-420 5 Sugar Land TX   903C ONVOY, LLC - TX 560   2017-07-08   
346-420 6 Sugar Land TX   5562 METROPCS, INC. 560   2017-09-01   
346-420 7 Sugar Land TX   5562 METROPCS, INC. 560   2017-09-01   
346-420 8 Sugar Land TX   5562 METROPCS, INC. 560   2017-10-05   
346-420 9 Sugar Land TX   5562 METROPCS, INC. 560   2017-05-19   

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

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