| General Information about Area Code 831 | |
|---|---|
| Country | United States |
| State / Province / Territory | California |
| Major City | Santa Cruz |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 831-216 | Felton | Santa Cruz | Landline |
| 831-724 | Watsonville | Santa Cruz | Landline |
| 831-758 | Salinas | Monterey | Landline |
| 831-531 | Aptos | Santa Cruz | Landline |
| 831-772 | Salinas | Monterey | Landline |
| 831-630 | Hollister | San Benito | Landline |
| 831-912 | Monterey | Monterey | Wireless |
| 831-540 | Salinas | Monterey | Landline |
| 831-883 | Marina | Monterey | Landline |
| 831-237 | Soledad | Monterey | Landline |
| 831-675 | Gonzales | Monterey | Landline |
| 831-635 | Hollister | San Benito | Landline |
| 831-302 | San Ardo | Monterey | Landline |
| 831-465 | Santa Cruz | Santa Cruz | Landline |
| 831-337 | Boulder Creek | Santa Cruz | Landline |
| 831-264 | Salinas | Monterey | Landline |
| 831-435 | Santa Cruz | Santa Cruz | Landline |
| 831-731 | Salinas | Monterey | Landline |
| 831-645 | Monterey | Monterey | Landline |
| 831-224 | Monterey | Monterey | Wireless |