Local Calling Guide

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

NXX: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-284 A Half Moon Bay CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-284 0 Half Moon Bay CA   649C ONVOY, LLC - CA 722      
650-284 1 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722      
650-284 2 Half Moon Bay CA   649C ONVOY, LLC - CA 722      
650-284 3 Half Moon Bay CA   649C ONVOY, LLC - CA 722      
650-284 4 Half Moon Bay CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-01-29   
650-284 5 Half Moon Bay CA   145J TERRA NOVA TELECOM INC. 722   2021-01-08   
650-284 6 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722   2007-08-31   
650-284 7 Half Moon Bay CA   5562 METROPCS, INC. 722   2020-05-28   
650-284 8 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722   2008-05-31   
650-284 9 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722   2007-03-26   

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

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