650 Area Code

Q: What is the 650 area code?

The 650 area code is assigned to San Mateo County and parts of Silicon Valley in California.

Q: When was the 650 area code created?

The 650 area code was created in 1997 after splitting from the 415 area code.

Q: Where is area code 650 located?

The 650 area code is located in California�s San Francisco Bay Area Peninsula, covering cities like Palo Alto, San Mateo, Mountain View, and Menlo Park.

Q: What time zone is 650 in?

The 650 area code is in the Pacific Time Zone (UTC -8 / -7 DST).

The 650 area code is a telephone area code in the North American Numbering Plan (NANP) serving San Mateo County and parts of Silicon Valley in California, USA. Established in 1997 after splitting from the 415 area code, it covers major technology hubs, suburban communities, and coastal cities. The 650 area code is widely associated with the San Francisco Bay Area�s peninsula region, including headquarters of world-leading tech companies.

Understanding the 650 Area Code

The 650 area code is a vital telecommunications code for California. It serves many areas in San Mateo County, parts of Santa Clara County, and some coastal regions. Known as part of the heart of Silicon Valley, it includes well-known cities such as Palo Alto, Redwood City, Mountain View, and Menlo Park.

650 Area Code Map and Location

The 650 area code map shows coverage across San Mateo County and surrounding communities, situated between San Francisco (415) to the north and San Jose (408) to the south. The region is known for its technology sector, universities, and scenic Pacific coastline.

Major Cities and Regions in the 650 Area Code

San Mateo, CA
Palo Alto, CA (home of Stanford University)
Mountain View, CA (home to Google headquarters)
Redwood City, CA
Menlo Park, CA (home of Meta/Facebook)
Foster City, CA
Half Moon Bay, CA
East Palo Alto, CA

ZIP Codes Covered by the 650 Area Code

The 650 area code spans numerous ZIP codes, including but not limited to:

94002 - Belmont
94010 - Burlingame
94022 - Los Altos
94025 - Menlo Park
94040 - Mountain View
94061 - Redwood City
94063 - Redwood City
94065 - Redwood Shores
94070 - San Carlos
94401 - San Mateo
94404 - Foster City
94019 - Half Moon Bay

Time Zone

The 650 area code is in the Pacific Time Zone (PT).

Standard Time: UTC -8
Daylight Saving Time: UTC -7

Dialing, Phone & Service Details

Overlay Codes: None currently
Local dialing: 10-digit dialing is required
Long-distance within the USA: Dial 1 + 650 + 7-digit number
International calls: Dial exit code + 1 + 650 + number
Services: Landline, mobile, VoIP, and business telecom services

What area code is 650? / Where's area code 650?

What area code is 650? � The 650 area code serves San Mateo County and nearby parts of Silicon Valley, California.

Where's area code 650? � It is located in the San Francisco Bay Area Peninsula in California, USA, covering cities like Palo Alto, Redwood City, San Mateo, and Mountain View.

Frequently Asked Questions (FAQ) about 650 Area Code

What is the 650 area code?

The 650 area code is assigned to San Mateo County and parts of Silicon Valley, California.

When was the 650 area code created?

The 650 area code was created in 1997 after splitting from the 415 area code.

Where is area code 650 located?

It is located in California�s San Francisco Bay Area Peninsula, including Palo Alto, Menlo Park, Mountain View, and San Mateo.

Does 650 have overlays?

No. Currently, the 650 area code does not have an overlay code.

What time zone is 650 in?

The 650 area code is in the Pacific Time Zone (UTC -8 / -7 DST).

Feature	Details
Area Code	650
Region Covered	San Mateo County & parts of Silicon Valley, CA
Established	1997
Overlay Codes	None
Time Zone	Pacific Time Zone (UTC -8 / -7 DST)
Major Cities	San Mateo, Palo Alto, Mountain View, Redwood City
ZIP Range	94002-94404
Services	Landline, Mobile, VoIP, Business
Dialing	10-digit locally; +1 650 NXX XXXX internationally
Country	United States of America

Ares Code	Office / Place	Address
650 Area Code	Stanford University	450 Serra Mall, Stanford, CA 94305
650 Area Code	Menlo College	1000 El Camino Real, Atherton, CA 94027
650 Area Code	Canada College	4200 Farm Hill Blvd, Redwood City, CA 94061
650 Area Code	College of San Mateo	1700 W Hillsdale Blvd, San Mateo, CA 94402
650 Area Code	Foothill College - Mountain View Center	12345 El Monte Rd, Mountain View, CA 94040
650 Area Code	Stanford Health Care	300 Pasteur Dr, Stanford, CA 94305
650 Area Code	Sequoia Hospital	170 Alameda de las Pulgas, Redwood City, CA 94062
650 Area Code	San Mateo Medical Center	222 W 39th Ave, San Mateo, CA 94403
650 Area Code	El Camino Hospital	2500 Grant Rd, Mountain View, CA 94040
650 Area Code	Menlo Medical Center	123 Ravenswood Ave, Menlo Park, CA 94025
650 Area Code	Bank of America	300 Hamilton Ave, Palo Alto, CA 94301
650 Area Code	Chase Bank	100 Castro St, Mountain View, CA 94041
650 Area Code	Wells Fargo Bank	500 Broadway, Redwood City, CA 94063
650 Area Code	US Bank	1401 S El Camino Real, San Mateo, CA 94402
650 Area Code	Citibank	700 Santa Cruz Ave, Menlo Park, CA 94025
650 Area Code	San Mateo County Government Center	400 County Center, Redwood City, CA 94063
650 Area Code	Palo Alto City Hall	250 Hamilton Ave, Palo Alto, CA 94301
650 Area Code	San Mateo City Hall	330 W 20th Ave, San Mateo, CA 94403
650 Area Code	Menlo Park City Hall	701 Laurel St, Menlo Park, CA 94025
650 Area Code	Mountain View City Hall	500 Castro St, Mountain View, CA 94041
650 Area Code	Foothills Park	3300 Page Mill Rd, Palo Alto, CA 94304
650 Area Code	Red Morton Park	1400 Roosevelt Ave, Redwood City, CA 94061
650 Area Code	Central Park	50 E 5th Ave, San Mateo, CA 94401
650 Area Code	Shoreline Park	3160 N Shoreline Blvd, Mountain View, CA 94043
650 Area Code	Bedwell Bayfront Park	1600 Marsh Rd, Menlo Park, CA 94025
650 Area Code	Cantor Arts Center	328 Lomita Dr, Stanford, CA 94305
650 Area Code	Computer History Museum	1401 N Shoreline Blvd, Mountain View, CA 94043
650 Area Code	Fox Theatre	2215 Broadway, Redwood City, CA 94063
650 Area Code	CuriOdyssey	1651 Coyote Point Dr, San Mateo, CA 94401
650 Area Code	Allied Arts Guild	75 Arbor Rd, Menlo Park, CA 94025
650 Area Code	Stanford Shopping Center	660 Stanford Shopping Center, Palo Alto, CA 94304
650 Area Code	Downtown Redwood City Shops	Redwood City, CA 94063
650 Area Code	Hillsdale Shopping Center	60 E Hillsdale Blvd, San Mateo, CA 94403
650 Area Code	Castro Street Shops	Mountain View, CA 94041
650 Area Code	Downtown Menlo Park Shops	Menlo Park, CA 94025
650 Area Code	The Clement Hotel	711 El Camino Real, Palo Alto, CA 94301
650 Area Code	Courtyard by Marriott	600 Veterans Blvd, Redwood City, CA 94063
650 Area Code	Hilton Garden Inn	1000 Bridgepointe Pkwy, San Mateo, CA 94404
650 Area Code	Shoreline Hotel	2960 N Shoreline Blvd, Mountain View, CA 94043
650 Area Code	Rosewood Sand Hill Hotel	2825 Sand Hill Rd, Menlo Park, CA 94025
650 Area Code	Palo Alto Caltrain Station	95 University Ave, Palo Alto, CA 94301
650 Area Code	Redwood City Caltrain Station	1 James Ave, Redwood City, CA 94063
650 Area Code	San Mateo Caltrain Station	B St & 1st Ave, San Mateo, CA 94401
650 Area Code	Mountain View Caltrain Station	600 W Evelyn Ave, Mountain View, CA 94041
650 Area Code	Menlo Park Caltrain Station	1120 Merrill St, Menlo Park, CA 94025

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