Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 235

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-235 A Ventura Central CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   
820-235 6 Ventura Central CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
820-235 7 Ventura Central CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   
820-235 8 Ventura Central CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   
820-235 9 Ventura Central CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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