| 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 |
|---|---|---|---|
| 831-442 | Salinas | Monterey | Landline |
| 831-300 | Big Sur | Monterey | Landline |
| 831-856 | Greenfield | Monterey | Landline |
| 831-760 | Monterey | Monterey | Wireless |
| 831-298 | Salinas | Monterey | Landline |
| 831-331 | Santa Cruz | Santa Cruz | Wireless |
| 831-424 | Salinas | Monterey | Landline |
| 831-502 | Santa Cruz | Santa Cruz | Landline |
| 831-840 | Watsonville | Santa Cruz | Wireless |
| 831-285 | King City | Monterey | Wireless |
| 831-426 | Santa Cruz | Santa Cruz | Landline |
| 831-818 | Santa Cruz | Santa Cruz | Wireless |
| 831-229 | Salinas | Monterey | Wireless |
| 831-612 | Aptos | Santa Cruz | Landline |
| 831-382 | San Ardo | Monterey | Landline |
| 831-572 | Capitola | Santa Cruz | Wireless |
| 831-261 | Salinas | Monterey | Wireless |
| 831-286 | Greenfield | Monterey | Wireless |
| 831-948 | Watsonville | Santa Cruz | Landline |
| 831-232 | Salinas | Monterey | Landline |