| 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 |
|---|---|---|---|
| 858-558 | La Jolla | San Diego | Landline |
| 858-449 | San Diego | San Diego | Wireless |
| 858-550 | La Jolla | San Diego | Landline |
| 858-746 | San Diego | San Diego | Landline |
| 858-503 | San Diego | San Diego | Landline |
| 858-217 | San Diego | San Diego | Landline |
| 858-952 | La Jolla | San Diego | Landline |
| 858-373 | La Jolla | San Diego | Landline |
| 858-246 | La Jolla | San Diego | Landline |
| 858-616 | San Diego | San Diego | Landline |
| 858-592 | San Diego | San Diego | Landline |
| 858-569 | San Diego | San Diego | Landline |
| 858-740 | San Diego | San Diego | Landline |
| 858-564 | San Diego | San Diego | Landline |
| 858-876 | Del Mar | San Diego | Landline |
| 858-408 | San Diego | San Diego | Landline |
| 858-435 | Poway | San Diego | Landline |
| 858-642 | La Jolla | San Diego | Landline |
| 858-799 | San Diego | San Diego | Landline |
| 858-262 | San Diego | San Diego | Wireless |