831 Area Code — Salinas, CA
Area code 831 serves Salinas and 3 other cities in California. Local time follows America/Los_Angeles. It has no overlay codes.
- State
- California
- Primary city
- Salinas
- Timezone
- America/Los_Angeles
- In service since
- 1998
- Type
- Geographic
- Overlay codes
- None
Cities Served by 831
The 831 area code covers 4 cities and communities in California.
- Salinas
- Monterey
- Santa Cruz
- Watsonville
About Area Code 831
Area code 831 is a North American Numbering Plan (NANP) area code that has been in service since 1998. It is administered by NANPA on behalf of the FCC and serves the California region anchored on Salinas.
831 is currently a single-coverage geographic area code with no overlays. This means a 7-digit number in this area code is unique within its rate centers, though best-practice is always to dial the full 10-digit number when contacting a 831 line.
Mobile numbers in 831 are portable: a person who moved away from Salinas may still carry a 831 mobile number on their device. If you receive an unexpected call from a 831 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in California, you may also interact with neighbouring or overlay codes. See the related codes section below to explore the rest of California.
Other California Area Codes
Continue exploring the California numbering plan.
831 Area Code FAQ
Where is area code 831?
Area code 831 is located in California, primarily serving Salinas and surrounding cities including Monterey, Santa Cruz, Watsonville. The region operates on PT (America/Los_Angeles) time.
What state is 831 area code?
831 is a California area code. It was put into service in 1998 and has no overlay codes — it covers its geographic area exclusively.
Is 831 a scam area code?
831 is a legitimate North American area code allocated by NANPA to California. Like any geographic area code, scammers sometimes spoof 831 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 831 use?
Area code 831 operates on PT (America/Los_Angeles). Numbers in this area code follow standard California time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 831 phone number?
Yes. Use the reverse lookup widget above to enter a full 831 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.