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: 889

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-889 A Half Moon Bay CA   515J IP HORIZON LLC 722      
650-889 0 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722   2011-08-08   
650-889 1 Half Moon Bay CA   515J IP HORIZON LLC 722      
650-889 2 Half Moon Bay CA   515J IP HORIZON LLC 722      
650-889 3 Half Moon Bay CA   433E SONIC TELECOM, LLC - CA 722   2012-12-06   
650-889 4 Half Moon Bay CA   515J IP HORIZON LLC 722      
650-889 5 Half Moon Bay CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-04-07   
650-889 6 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722   2013-07-11   
650-889 7 Half Moon Bay CA   649C ONVOY, LLC - CA 722   2009-12-18   
650-889 8 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722   2011-01-07   
650-889 9 Half Moon Bay CA   6529 T-MOBILE USA, INC. 722   2012-04-06   

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

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