Area code lookup
What area code is 831?
Here's everything about it.
Instant lookup for the 831 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
Enter a full number to see caller reports, or an area code to jump to its page.
Caller ID · NPA-NXX-XXXXLive
Area code
831
Location
Monterey / Salinas, CA
Local time
--:--:-- --
Monterey / Salinas
831 at a glance
SummaryState
California
Time zone
Pacific (PT)
UTC offset
UTC−8 / −7 DST
Observes DST
Yes
Country
United States
Cities served by 831
Monterey / SalinasMonterey / Salinas
Where 831 sits on the map
No overlayCoverage area
About the 831 region
831 covers Monterey / Salinas in California. It currently has no overlay code, so seven-digit dialing may still be possible within the region.
Who called me from 831?
Community reportsNo community reports for 831 numbers yet. Be the first to report one.
Got a call from 831 that isn't listed?
Frequently asked questions
FAQWhat area code is 831?+–
831 is a telephone area code serving Monterey / Salinas in California, United States.
Where is area code 831 located?+–
It covers Monterey / Salinas in California.
What time zone is 831?+–
831 observes Pacific (PT), which is UTC−8 / −7 DST and follows daylight saving time.
Can I get a 831 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 831 number regardless of where you physically live.