| 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 |
|---|---|---|---|
| 831-393 | Monterey | Monterey | Landline |
| 831-305 | Gonzales | Monterey | Landline |
| 831-796 | Salinas | Monterey | Landline |
| 831-754 | Salinas | Monterey | Landline |
| 831-480 | Santa Cruz | Santa Cruz | Landline |
| 831-633 | Castroville | Monterey | Landline |
| 831-464 | Santa Cruz | Santa Cruz | Landline |
| 831-707 | Watsonville | Santa Cruz | Landline |
| 831-475 | Santa Cruz | Santa Cruz | Landline |
| 831-263 | King City | Monterey | Landline |
| 831-662 | Aptos | Santa Cruz | Landline |
| 831-252 | Felton | Santa Cruz | Wireless |
| 831-455 | Salinas | Monterey | Landline |
| 831-621 | Santa Cruz | Santa Cruz | Landline |
| 831-251 | Capitola | Santa Cruz | Wireless |
| 831-334 | Santa Cruz | Santa Cruz | Wireless |
| 831-303 | San Ardo | Monterey | Landline |
| 831-741 | Castroville | Monterey | Landline |
| 831-389 | Paicines | San Benito | Landline |
| 831-620 | Carmel | Monterey | Landline |