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: 699

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-699 A San Mateo CA SNJUCACL7MD  965H FRACTEL, LLC 722      
650-699 0 San Mateo CA   433E SONIC TELECOM, LLC - CA 722   2021-05-31   
650-699 1 San Mateo CA   318J COMCAST IP PHONE, LLC 722   2020-10-14   
650-699 2 San Mateo CA   6529 T-MOBILE USA, INC. 722   2021-08-22   
650-699 3 San Mateo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
650-699 4 San Mateo CA   318J COMCAST IP PHONE, LLC 722   2020-10-14   
650-699 5 San Mateo CA   649C ONVOY, LLC - CA 722   2020-03-02   
650-699 6 San Mateo CA   649C ONVOY, LLC - CA 722   2020-03-02   
650-699 7 San Mateo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-11-07   
650-699 8 San Mateo CA   553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
650-699 9 San Mateo CA   965H FRACTEL, LLC 722   2019-05-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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