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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
650-618 Santa Clara Palo Alto Matrix Telecom, Llc. Sii Tnci - CA Landline
650-619 San Mateo San Mateo New Cingular Wireless Pcs, Llc Wireless
650-620 San Mateo San Carlos Pacific Bell Landline
650-621 Santa Clara Palo Alto Pacific Bell Landline
650-622 San Mateo San Carlos Pacific Bell Landline
650-623 Contra Costa Mountain View Pacific Bell Landline
650-624 San Mateo San Bruno Pacific Bell Landline
650-625 Contra Costa Mountain View Pacific Bell Landline
650-627 San Mateo San Mateo Pacific Bell Landline
650-628 San Mateo San Carlos Mcimetro Access Transmission Services Llc Landline
650-630 Santa Clara Palo Alto Metro Pcs, Inc. Wireless
650-631 San Mateo San Carlos Pacific Bell Landline
650-632 San Mateo San Carlos Pacific Bell Landline
650-633 San Mateo San Carlos Pacific Bell Landline
650-634 San Mateo San Bruno Pacific Bell Landline
650-635 San Mateo San Bruno Pacific Bell Landline
650-636 San Francisco San Francisco Allegiance Telecom, Inc. - CA Landline
650-637 San Mateo San Carlos Pacific Bell Landline
650-638 San Mateo San Mateo Pacific Bell Landline
650-639 San Mateo San Mateo American Messaging Services, Llc Wireless
650-641 Contra Costa Mountain View Broadwing Communications, Llc - CA Landline
650-642 San Mateo San Mateo Sprint Spectrum L.p. Wireless
650-644 Santa Clara Palo Alto Matrix Telecom, Llc. Sii Tnci - CA Landline
650-645 San Mateo San Mateo Teleport Communications Group - San Francisco Landline
650-646 Santa Clara Palo Alto T-Mobile Usa, Inc. Wireless
650-648 San Francisco San Francisco Allegiance Telecom, Inc. - CA Landline
650-649 San Mateo Redwood City Matrix Telecom, Llc. Sii Tnci - CA Landline
650-651 San Mateo Millbrae Mci Worldcom Communications, Inc., CA Landline
650-652 San Mateo Millbrae Pacific Bell Landline
650-653 San Mateo Redwood City Mci Worldcom Communications, Inc., CA Landline
650-654 San Mateo San Carlos Pacific Bell Landline
650-655 San Mateo San Mateo Pacific Bell Landline
650-662 San Mateo La Honda O1 Communications, Inc. - CA Landline
650-666 Santa Clara Palo Alto Cf Communications, Llc Dba Telekenex - CA Landline
650-669 Contra Costa Mountain View Metro Pcs, Inc. Wireless
650-670 San Mateo Redwood City Neutral Tandem-California, Llc - CA Wireless
650-673 San Mateo La Honda At&t Corp. Landline
650-676 San Mateo South San Francisco Utility Telecom Group, Llc - CA Landline
650-678 San Mateo San Mateo Cellco Partnership Dba Verizon Wireless - CA Wireless
650-679 San Mateo Redwood City Astound Broadband, Llc - CA Landline
650-681 Santa Clara Palo Alto O1 Communications, Inc. - CA Landline
650-682 Santa Clara Palo Alto Utility Telecom Group, Llc - CA Wireless
650-683 San Mateo Woodside Level 3 Communications, Llc - CA Wireless
650-684 San Mateo Millbrae Matrix Telecom, Llc. Sii Tnci - CA Landline
650-685 San Mateo San Mateo Pacific Bell Landline
650-686 San Francisco San Francisco Mcimetro Access Transmission Services Llc Landline
650-687 Santa Clara Palo Alto Mci Worldcom Communications, Inc., CA Landline
650-688 Santa Clara Palo Alto Pacific Bell Landline
650-689 San Francisco San Francisco Teleport Communications Group - San Francisco Landline
650-690 Santa Clara Palo Alto At&t Local Landline
650-691 Contra Costa Mountain View Pacific Bell Landline
650-692 San Mateo Millbrae Pacific Bell Landline
650-693 Contra Costa Mountain View Broadwing Communications, Llc - CA Landline
650-694 Contra Costa Mountain View Pacific Bell Landline
650-696 San Mateo San Mateo Pacific Bell Landline
650-697 San Mateo Millbrae Pacific Bell Landline
650-701 San Mateo Redwood City Pacific Bell Landline
650-703 San Mateo San Mateo New Cingular Wireless Pcs, Llc Wireless
650-704 Santa Clara Palo Alto New Cingular Wireless Pcs, Llc Wireless
650-712 San Mateo Half Moon Bay Pacific Bell Landline
650-713 San Mateo Half Moon Bay Allegiance Telecom, Inc. - CA Landline
650-714 Santa Clara Palo Alto New Cingular Wireless Pcs, Llc Wireless
650-716 San Mateo Redwood City Xo California, Inc. Landline
650-718 San Mateo Moss Beach Teleport Communications Group - San Francisco Landline
650-719 San Mateo Moss Beach Allegiance Telecom, Inc. - CA Landline
650-720 San Mateo Half Moon Bay Mcimetro Access Transmission Services Llc Landline
650-721 Santa Clara Palo Alto Level 3 Communications, Llc - CA Landline
650-722 San Mateo Redwood City Cellco Partnership Dba Verizon Wireless - CA Wireless
650-723 Santa Clara Palo Alto Level 3 Communications, Llc - CA Landline
650-724 Santa Clara Palo Alto Level 3 Communications, Llc - CA Landline
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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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