| 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 |
|---|---|---|---|
| 858-775 | San Diego | San Diego | Wireless |
| 858-297 | Del Mar | San Diego | Landline |
| 858-766 | La Jolla | San Diego | Landline |
| 858-566 | San Diego | San Diego | Landline |
| 858-450 | La Jolla | San Diego | Landline |
| 858-356 | Del Mar | San Diego | Landline |
| 858-713 | San Diego | San Diego | Landline |
| 858-504 | Rancho Santa Fe | San Diego | Wireless |
| 858-633 | San Diego | San Diego | Landline |
| 858-465 | Del Mar | San Diego | Landline |
| 858-869 | San Diego | San Diego | Landline |
| 858-291 | San Diego | San Diego | Wireless |
| 858-737 | San Diego | San Diego | Landline |
| 858-651 | La Jolla | San Diego | Landline |
| 858-886 | La Jolla | San Diego | Landline |
| 858-735 | San Diego | San Diego | Wireless |
| 858-509 | Del Mar | San Diego | Landline |
| 858-240 | San Diego | San Diego | Landline |
| 858-414 | San Diego | San Diego | Wireless |
| 858-486 | Poway | San Diego | Landline |