Area Code 831 at a Glance
| Area code | 831 |
| Region | California |
| Country | United States |
| Primary timezone | America/Los_Angeles |
| Dialing format | +1 (831) NXX-XXXX |
Cities and Places Using Area Code 831
Based on prefix-level carrier data, area code 831 covers places including:
- Salinas, CA
- Santa Cruz, CA
- Watsonville, CA
- Monterey, CA
- Hollister, CA
- Carmel, CA
- Scotts Valley, CA
- Aptos, CA
- Seaside, CA
- King City, CA
- Marina, CA
- Ben Lomond, CA
Frequently Asked Questions
Where is area code 831?
Area code 831 serves California, United States.
Who is calling me from area code 831?
A call from area code 831 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 831 number?
Within North America: dial 1-831 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 831 and the number.