Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 609

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-609 A Millbrae CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-609 0 Millbrae CA   6529 T-MOBILE USA, INC. 722   2022-08-19   
650-609 1 Millbrae CA   6529 T-MOBILE USA, INC. 722   2022-08-19   
650-609 2 Millbrae CA   649C ONVOY, LLC - CA 722   2022-02-13   
650-609 3 Millbrae CA   649C ONVOY, LLC - CA 722   2022-02-13   
650-609 4 Millbrae CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2022-09-07   
650-609 5 Millbrae CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-04-10   
650-609 6 Millbrae CA   6529 T-MOBILE USA, INC. 722   2022-04-03   
650-609 7 Millbrae CA   6529 T-MOBILE USA, INC. 722   2022-04-03   
650-609 8 Millbrae CA   6529 T-MOBILE USA, INC. 722   2022-02-12   
650-609 9 Millbrae CA   6529 T-MOBILE USA, INC. 722   2022-02-12   

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

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