Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 951 [Rate centres in NPA 951] [Dial plan for NPA 951]

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-742 A Riverside CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-742 0 Riverside CA   6529 T-MOBILE USA, INC. 730   2006-02-06   
951-742 1 Riverside CA   6529 T-MOBILE USA, INC. 730   2006-02-07   
951-742 2 Riverside CA   6529 T-MOBILE USA, INC. 730   2007-07-23   
951-742 3 Riverside CA   6529 T-MOBILE USA, INC. 730   2006-04-06   
951-742 4 Riverside CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-04-20   
951-742 5 Riverside CA   516C AT&T CORP. 730   2006-06-30   
951-742 6 Riverside CA   6529 T-MOBILE USA, INC. 730   2006-04-07   
951-742 7 Riverside CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2006-04-29   
951-742 8 Riverside CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-23   
951-742 9 Riverside CA   6529 T-MOBILE USA, INC. 730   2006-02-06   

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

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