Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-303 A Saratoga CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-303 0 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-11-17   
408-303 1 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-11-17   
408-303 2 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-10-19   
408-303 3 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-10-19   
408-303 4 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-10-19   
408-303 5 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-10-19   
408-303 6 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-09-15   
408-303 7 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-09-15   
408-303 8 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-09-15   
408-303 9 Saratoga CA   6529 T-MOBILE USA, INC. 722   2023-09-15   

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

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