831
Covers Monterey, Salinas and Santa Cruz, California
In service since 1998
Split from area code 408
City facts
Salinas area code
Area code for Monterey, Salinas and Santa Cruz, California: history, overlays and how to dial.
831
Salinas uses area code 831.
About area code 831
How to call a number in Salinas
Inside the US
1 (831) 555-0123Dial 1, the area code, then the seven-digit number.Local call
555-0123Many areas now require the area code for local calls too; if a seven-digit call fails, add it.From outside the US
+1 831 555 0123Use your country's exit code or +, then 1 for the US.Salinas is on Pacific Time (PT); check the time before calling from another zone.
Other cities that share 831
Nearby area codes
| Area code | Used in | Distance |
|---|---|---|
| 408 | Santa Clara | 50 mi |
| 669 | Santa Clara | 50 mi |
| 650 | Sunnyvale | 52 mi |
Salinas quick facts
Salinas was incorporated on March 4, 1874.
Incorporated1874March 4, 1874
CountyMonterey CountyCalifornia
Area code831Population161,993Census ACS estimateZIP codes393901, 93905, 93906Elevation52 ft16 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: Salinas, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Salinas?
Salinas uses area code 831.
When did area code 831 start?
Area code 831 dates from 1998, when it was split from area code 408.
What time zone is area code 831 in?
Salinas is on Pacific Time (PT).
What other cities use area code 831?
Other cities in this network that share 831 include Carmel-by-the-Sea.
Sources: Area code 831 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.