| 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 |
|---|---|---|---|
| 858-748 | Poway | San Diego | Landline |
| 858-614 | San Diego | San Diego | Landline |
| 858-490 | La Jolla | San Diego | Landline |
| 858-539 | La Jolla | San Diego | Landline |
| 858-275 | San Diego | San Diego | Wireless |
| 858-204 | San Diego | San Diego | Wireless |
| 858-380 | San Diego | San Diego | Landline |
| 858-949 | San Diego | San Diego | Wireless |
| 858-481 | Del Mar | San Diego | Landline |
| 858-251 | San Diego | San Diego | Landline |
| 858-776 | San Diego | San Diego | Wireless |
| 858-863 | San Diego | San Diego | Landline |
| 858-832 | Rancho Santa Fe | San Diego | Landline |
| 858-352 | San Diego | San Diego | Landline |
| 858-966 | San Diego | San Diego | Landline |
| 858-365 | San Diego | San Diego | Landline |
| 858-312 | San Diego | San Diego | Landline |
| 858-227 | San Diego | San Diego | Landline |
| 858-675 | San Diego | San Diego | Landline |
| 858-239 | San Diego | San Diego | Landline |