| 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 |
|---|---|---|---|
| 858-527 | San Diego | San Diego | Landline |
| 858-732 | San Diego | San Diego | - |
| 858-603 | San Diego | San Diego | Wireless |
| 858-233 | La Jolla | San Diego | Landline |
| 858-829 | San Diego | San Diego | Wireless |
| 858-284 | Del Mar | San Diego | Landline |
| 858-683 | San Diego | San Diego | Landline |
| 858-780 | San Diego | San Diego | Landline |
| 858-376 | San Diego | San Diego | Landline |
| 858-253 | San Diego | San Diego | Wireless |
| 858-720 | Del Mar | San Diego | Landline |
| 858-943 | San Diego | San Diego | Landline |
| 858-677 | La Jolla | San Diego | Landline |
| 858-750 | La Jolla | San Diego | Wireless |
| 858-792 | Del Mar | San Diego | Landline |
| 858-261 | Del Mar | San Diego | Wireless |
| 858-635 | San Diego | San Diego | Landline |
| 858-880 | San Diego | San Diego | Landline |
| 858-523 | Del Mar | San Diego | Landline |
| 858-405 | La Jolla | San Diego | Wireless |