Area Code 650 — California
Area code 650 is located in California and operates on Pacific Time . The largest city served is San Mateo .
Coverage Area
Area code 650 — CaliforniaArea Code Details
- Area Code
- 650
- State / Province
- California (CA)
- Country
- United States
- Time Zone
- Pacific Time Pacific Time
- Local Time Now
- —
- Status
- Active
- Code Type
- General Purpose Code
- In Service Since
- August 2, 1997
- Assigned
- November 22, 1996
- Population Served
- ~407,908 est.
Cities Served
History & Relationships
Split from
415Rate Centers & Exchanges
10 rate centers identified within area code 650
Other Area Codes in California
View all →Nearby Area Codes
Frequently Asked Questions About Area Code 650
What state is area code 650?
Area code 650 is located in California, United States.
Where is area code 650 from?
Area code 650 originates from California. It operates in the Pacific Time zone.
What time zone is area code 650?
Area code 650 falls within the Pacific Time zone (Pacific Time).
What cities are in area code 650?
Area code 650 serves cities including San Mateo, Redwood City, South San Francisco, Palo Alto, Pacifica, Los Altos, Half Moon Bay, Mountain View, and more.
Is a call from area code 650 a scam?
Area code 650 is a legitimate general purpose code area code serving California. Like any area code, individual numbers using 650 can be used for scam calls — always verify the specific number if you receive an unexpected or suspicious call.