Where Is Area Code 831?
Area code 831 is found in the US state of California. Primarily servicing the city of Salinas (population: 187314), area code 831 covers 3 counties of California.
Located in the Pacific time zone, area code 831 is on the same time as Los Angeles, CA.
Area code 831 was brought into effect on July 11, 1998. 831 was split from the parent 408 area code.
Counties in Area Code 831
- Monterey,
- San Benito,
- Santa Cruz.
Most Populous Cities in Area Code 831
| City | County | City Population | Time Zone |
|---|---|---|---|
| Salinas | Monterey | 187,314 | PST |
| Santa Cruz | Santa Cruz | 99,537 | PST |
| Watsonville | Santa Cruz | 84,013 | PST |
| Hollister | San Benito | 50,268 | PST |
| Seaside | Monterey | 34,299 | PST |
| Monterey | Monterey | 32,512 | PST |
| Soledad | Monterey | 27,843 | PST |
| Aptos | Santa Cruz | 24,375 | PST |
| Marina | Monterey | 23,037 | PST |
| Greenfield | Monterey | 18,041 | PST |
| King City | Monterey | 16,313 | PST |
| Pacific Grove | Monterey | 15,470 | PST |
| Scotts Valley | Santa Cruz | 14,995 | PST |
| Carmel | Monterey | 12,413 | PST |
| Castroville | Monterey | 10,611 | PST |
| Soquel | Santa Cruz | 10,324 | PST |
| Capitola | Santa Cruz | 9,290 | PST |
| Boulder Creek | Santa Cruz | 9,129 | PST |
| Gonzales | Monterey | 8,972 | PST |
| Felton | Santa Cruz | 7,908 | PST |
| Freedom | Santa Cruz | 7,856 | PST |
| Carmel Valley | Monterey | 6,456 | PST |
| Ben Lomond | Santa Cruz | 6,416 | PST |
| Pebble Beach | Monterey | 4,636 | PST |
| San Juan Bautista | San Benito | 4,164 | PST |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.
This page was last updated on July 3, 2015.