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: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-502 A Simi Valley CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-02-08   
820-502 0 Simi Valley CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-02-08   
820-502 1 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 2 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 3 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 4 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 5 Simi Valley CA   732J NUSO, LLC 730   2025-05-04   
820-502 6 Simi Valley CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-04-08   
820-502 7 Simi Valley CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-04-08   
820-502 8 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 9 Simi Valley CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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