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: 686

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-686 A Millbrae CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-686 0 Millbrae CA   6529 T-MOBILE USA, INC. 722   2016-07-07   
650-686 1 Millbrae CA   6529 T-MOBILE USA, INC. 722   2016-02-13   
650-686 2 Millbrae CA   649C ONVOY, LLC - CA 722   2018-12-23   
650-686 3 Millbrae CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-686 4 Millbrae CA   515J IP HORIZON LLC 722   2016-09-14   
650-686 5 Millbrae CA   649C ONVOY, LLC - CA 722   2018-12-23   
650-686 6 Millbrae CA   318J COMCAST IP PHONE, LLC 722   2015-06-17   
650-686 7 Millbrae CA   6529 T-MOBILE USA, INC. 722   2015-03-17   
650-686 8 Millbrae CA   6529 T-MOBILE USA, INC. 722   2015-03-17   
650-686 9 Millbrae CA   6529 T-MOBILE USA, INC. 722   2015-03-17   

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

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