| 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 |
|---|---|---|---|
| 858-956 | Poway | San Diego | Landline |
| 858-530 | San Diego | San Diego | Landline |
| 858-655 | San Diego | San Diego | Landline |
| 858-722 | San Diego | San Diego | Wireless |
| 858-273 | La Jolla | San Diego | Landline |
| 858-638 | La Jolla | San Diego | Landline |
| 858-202 | La Jolla | San Diego | Landline |
| 858-768 | San Diego | San Diego | Landline |
| 858-485 | San Diego | San Diego | Landline |
| 858-230 | San Diego | San Diego | Landline |
| 858-784 | La Jolla | San Diego | Landline |
| 858-581 | La Jolla | San Diego | Landline |
| 858-224 | San Diego | San Diego | Landline |
| 858-228 | La Jolla | San Diego | Landline |
| 858-836 | San Diego | San Diego | Landline |
| 858-860 | San Diego | San Diego | Landline |
| 858-413 | Poway | San Diego | Landline |
| 858-320 | La Jolla | San Diego | Landline |
| 858-729 | La Jolla | San Diego | Landline |
| 858-866 | La Jolla | San Diego | Landline |