| General Information about Area Code 858 | |
|---|---|
| Country | United States |
| State / Province / Territory | California |
| Major City | San Diego |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 858-274 | La Jolla | San Diego | Landline |
| 858-442 | San Diego | San Diego | Wireless |
| 858-397 | San Diego | San Diego | Landline |
| 858-391 | Poway | San Diego | Landline |
| 858-384 | San Diego | San Diego | Landline |
| 858-205 | San Diego | San Diego | Wireless |
| 858-270 | La Jolla | San Diego | Landline |
| 858-997 | La Jolla | San Diego | Wireless |
| 858-625 | La Jolla | San Diego | Landline |
| 858-600 | San Diego | San Diego | Wireless |
| 858-453 | La Jolla | San Diego | Landline |
| 858-877 | San Diego | San Diego | Landline |
| 858-213 | San Diego | San Diego | Wireless |
| 858-434 | San Diego | San Diego | Landline |
| 858-705 | San Diego | San Diego | Wireless |
| 858-361 | La Jolla | San Diego | Wireless |
| 858-703 | Del Mar | San Diego | Landline |
| 858-234 | San Diego | San Diego | Landline |
| 858-536 | San Diego | San Diego | Landline |
| 858-252 | Del Mar | San Diego | Wireless |