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Area Code 650

Where does the 650 area code belong?

STATE
California
TIME ZONE
Pacific Time
MAJOR CITY
San Mateo

The 650 Area Code (or Area Code 650) is located in the state of CA. Area Code 650 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 1.19 million unique phone numbers and 3.67 million individuals near the city of San Mateo

Area Code 650 History

Area code 650 was put into service. Area code 650 was created from a split of area code 415.

Following cities also use area code 650:

Brisbane, Colma, Fremont, Half Moon Bay, La Honda, Los Altos, Millbrae, Moss Beach, Mountain View, Pacifica, Palo Alto, Pescadero, Redwood City, S San Fran, San Bruno, San Carlos, San Francisco, San Jose, San Mateo, Sunnyvale, Woodside.

ZIP codes in Area Code 650:

90001 (Los Angeles)
90002 (Los Angeles)
90003 (Los Angeles)
90004 (Los Angeles)
90005 (Los Angeles)
90006 (Los Angeles)
90007 (Los Angeles)
90008 (Los Angeles)
90009 (Los Angeles)
90010 (Los Angeles)

Big city in area code 650

San Mateo

COUNTY
San mateo
POPULATION
135,625
Daly City

COUNTY
San mateo
POPULATION
111,074
Redwood City

COUNTY
San mateo
POPULATION
107,459
Palo Alto

COUNTY
Santa clara
POPULATION
95,392
Source: WorldAtlas.com
NUMBER OF PREFIXES
656
NUMBER OF CELLPHONES
337,141
NUMBER OF LAND LINES
679,377
MEDIAN HOME VALUE
$1.19M
MEDIAN INCOME
$130K
Source: WorldAtlas.com

Browse Area Code (650) Prefixes

PREFIX COUNTY CITY CARRIER TYPE
650-835 San Mateo San Bruno O1 Communications, Inc. - CA Landline
650-837 San Mateo San Bruno Pacific Bell Landline
650-838 Santa Clara Palo Alto Pacific Bell Landline
650-839 San Mateo Redwood City Pacific Bell Landline
650-842 Santa Clara Palo Alto Pacific Bell Landline
650-843 Santa Clara Palo Alto Pacific Bell Landline
650-845 Santa Clara Palo Alto Pacific Bell Landline
650-846 Santa Clara Palo Alto Pacific Bell Landline
650-847 Santa Clara Palo Alto Mcimetro Access Transmission Services Llc Landline
650-849 Santa Clara Palo Alto Pacific Bell Landline
650-850 San Mateo Woodside Allegiance Telecom, Inc. - CA Landline
650-851 San Mateo Woodside Pacific Bell Landline
650-852 Santa Clara Palo Alto Pacific Bell Landline
650-853 Santa Clara Palo Alto Pacific Bell Landline
650-854 Santa Clara Palo Alto Pacific Bell Landline
650-855 Santa Clara Palo Alto Pacific Bell Landline
650-856 Santa Clara Palo Alto Pacific Bell Landline
650-857 Santa Clara Palo Alto Pacific Bell Landline
650-858 Santa Clara Palo Alto Pacific Bell Landline
650-859 Santa Clara Palo Alto Pacific Bell Landline
650-860 San Mateo Pescadero Broadwing Communications, Llc - CA Landline
650-861 Contra Costa Mountain View
650-862 Santa Clara Palo Alto New Cingular Wireless Pcs, Llc Wireless
650-863 San Mateo San Mateo New Cingular Wireless Pcs, Llc Wireless
650-864 Contra Costa Mountain View Pacific Bell Landline
650-866 San Mateo San Bruno Pacific Bell Landline
650-867 San Mateo San Mateo New Cingular Wireless Pcs, Llc Wireless
650-868 San Mateo Redwood City New Cingular Wireless Pcs, Llc Wireless
650-869 San Mateo San Bruno Pacific Bell Landline
650-870 San Mateo San Bruno Matrix Telecom, Llc. Sii Tnci - CA Landline
650-871 San Mateo San Bruno Pacific Bell Landline
650-872 San Mateo San Bruno Pacific Bell Landline
650-873 San Mateo San Bruno Pacific Bell Landline
650-874 San Mateo San Bruno Pacific Bell Landline
650-875 San Mateo San Bruno Pacific Bell Landline
650-876 San Mateo San Bruno Pacific Bell Landline
650-877 San Mateo San Bruno Pacific Bell Landline
650-878 San Mateo Colma Pacific Bell Landline
650-879 San Mateo Pescadero Pacific Bell Landline
650-881 San Mateo Pescadero Teleport Communications Group - San Francisco Landline
650-882 San Mateo Pescadero Allegiance Telecom, Inc. - CA Landline
650-887 Los Angeles Los Altos Matrix Telecom, Llc. Sii Tnci - CA Landline
650-888 San Mateo San Mateo New Cingular Wireless Pcs, Llc Wireless
650-889 San Mateo Half Moon Bay O1 Communications, Inc. - CA Landline
650-892 San Mateo San Bruno New Cingular Wireless Pcs, Llc Wireless
650-897 San Mateo Moss Beach Level 3 Communications, Llc - CA Landline
650-898 San Mateo Pacifica Comcast Phone Of California, Llc - CA Landline
650-899 San Mateo La Honda Matrix Telecom, Llc. Sii Tnci - CA Landline
650-900 Santa Clara San Jose O1 Communications, Inc. - CA Landline
650-903 Contra Costa Mountain View Pacific Bell Landline
650-906 Santa Clara Palo Alto Sprint Spectrum L.p. Wireless
650-917 Los Angeles Los Altos Pacific Bell Landline
650-918 San Mateo San Mateo At&t Local Landline
650-919 Contra Costa Mountain View Pacific Bell Landline
650-921 San Mateo San Mateo Metro Pcs, Inc. Wireless
650-922 San Mateo San Bruno Cellco Partnership Dba Verizon Wireless - CA Wireless
650-924 Santa Clara Palo Alto Sprint Spectrum L.p. Wireless
650-926 Santa Clara Palo Alto Pacific Bell Landline
650-930 Santa Clara Sunnyvale Brooks Fiber Communications Of California - CA Landline
650-931 San Mateo San Mateo U.s. Telepacific Corp. - CA Landline
650-932 Contra Costa Mountain View Pacific Bell Landline
650-933 Contra Costa Mountain View Pacific Bell Landline
650-934 Contra Costa Mountain View Pacific Bell Landline
650-935 Los Angeles Los Altos Mcimetro Access Transmission Services Llc Landline
650-937 Contra Costa Mountain View Pacific Bell Landline
650-938 Contra Costa Mountain View Pacific Bell Landline
650-940 Contra Costa Mountain View Pacific Bell Landline
650-941 Los Angeles Los Altos Pacific Bell Landline
650-942 San Mateo Millbrae Cellco Partnership Dba Verizon Wireless - CA Landline
650-943 Contra Costa Mountain View Pacific Bell Landline
« 1 ...6 7 8 9 »

Phone Numbers Starting With (650) Area Code

Phone Number
650-543-4800		 USAGE
Landline		 City
San Jose		 Operate
Read more about who called from 6505434800		 Update Time
Mar-26-2026
Phone Number
650-263-6531		 USAGE
Landline		 City
Moss Beach		 Operate
Read more about who called from 6502636531		 Update Time
Mar-26-2026
Phone Number
650-239-3418		 USAGE
Landline		 City
Millbrae		 Operate
Read more about who called from 6502393418		 Update Time
Mar-26-2026
Phone Number
650-663-1490		 USAGE
Landline		 City
Millbrae		 Operate
Read more about who called from 6506631490		 Update Time
Mar-26-2026
Phone Number
650-469-8040		 USAGE
Landline		 City
Los Altos		 Operate
Read more about who called from 6504698040		 Update Time
Mar-26-2026
Phone Number
650-407-2224		 USAGE
Landline		 City
Los Altos		 Operate
Read more about who called from 6504072224		 Update Time
Mar-26-2026
Phone Number
650-502-8961		 USAGE
Landline		 City
Los Altos		 Operate
Read more about who called from 6505028961		 Update Time
Mar-26-2026
Phone Number
650-449-4113		 USAGE
Landline		 City
San Francisco		 Operate
Read more about who called from 6504494113		 Update Time
Mar-26-2026
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