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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-227 A Corona CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-19   
951-227 0 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 1 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 2 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 3 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 4 Corona CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-22   
951-227 5 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 6 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 7 Corona CA   649C ONVOY, LLC - CA 730   2007-08-13   
951-227 8 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   
951-227 9 Corona CA   6529 T-MOBILE USA, INC. 730   2007-08-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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