| 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 |
|---|---|---|---|
| 858-272 | La Jolla | San Diego | Landline |
| 858-874 | San Diego | San Diego | Landline |
| 858-751 | San Diego | San Diego | Landline |
| 858-551 | La Jolla | San Diego | Landline |
| 858-381 | San Diego | San Diego | Landline |
| 858-649 | San Diego | San Diego | Landline |
| 858-763 | San Diego | San Diego | Wireless |
| 858-244 | San Diego | San Diego | Landline |
| 858-499 | San Diego | San Diego | Landline |
| 858-926 | San Diego | San Diego | Landline |
| 858-279 | San Diego | San Diego | Landline |
| 858-502 | San Diego | San Diego | Landline |
| 858-218 | San Diego | San Diego | Landline |
| 858-927 | San Diego | San Diego | Landline |
| 858-790 | San Diego | San Diego | Landline |
| 858-774 | San Diego | San Diego | Wireless |
| 858-500 | San Diego | San Diego | Landline |
| 858-534 | La Jolla | San Diego | Landline |
| 858-337 | San Diego | San Diego | Wireless |
| 858-923 | Rancho Santa Fe | San Diego | Landline |