Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 669 [Rate centres in NPA 669] [Dial plan for NPA 669]

NXX: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
669-373 A Saratoga CA   649C ONVOY, LLC - CA 722   2025-11-24   
669-373 0 Saratoga CA   649C ONVOY, LLC - CA 722   2025-11-24   
669-373 2 Saratoga CA   6529 T-MOBILE USA, INC. 722   2025-12-26   
669-373 3 Saratoga CA   6529 T-MOBILE USA, INC. 722   2025-12-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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