Area Code 650 at a Glance
| Area code | 650 |
| Region | California |
| Country | United States |
| Primary timezone | America/Los_Angeles |
| Dialing format | +1 (650) NXX-XXXX |
Cities and Places Using Area Code 650
Based on prefix-level carrier data, area code 650 covers places including:
- Redwood City, CA
- San Mateo, CA
- Palo Alto, CA
- San Carlos, CA
- Daly City, CA
- Mountain View, CA
- Los Altos, CA
- Pacifica, CA
- Menlo Park, CA
- Burlingame, CA
- Half Moon Bay, CA
- Pescadero, CA
Frequently Asked Questions
Where is area code 650?
Area code 650 serves California, United States.
Who is calling me from area code 650?
A call from area code 650 most likely originates from California, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 650 number?
Within North America: dial 1-650 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 650 and the number.