858 area code is a telephone area code in the North American Numbering Plan (NANP) for the community of San Diego Beach and the surrounding area, California. The area code was created in 1999.
| Area Code | 858 |
|---|---|
| Major City | San Diego |
| Service Date | 06/12/1999 |
| Time Zone | Pacific |
| Overlay Complex | 619/858 |
| Location | California (CA) |
| Country | United States |
Some of the cities served by area code 858 include San Diego, Chula Vista, El Cajon, National City, La Mesa, Santee, Poway, La Presa, Spring Valley and more.
| Area code | City/Town | County |
|---|---|---|
| 858 | Alpine | San Diego |
| 858 | Bonita | San Diego |
| 858 | Boulevard | San Diego |
| 858 | Campo | San Diego |
| 858 | Chula Vista | San Diego |
| 858 | Coronado | San Diego |
| 858 | Del Mar | San Diego |
| 858 | Descanso | San Diego |
| 858 | Dulzura | San Diego |
| 858 | El Cajon | San Diego |
| 858 | Guatay | San Diego |
| 858 | Imperial Beach | San Diego |
| 858 | Jacumba | San Diego |
| 858 | Jamul | San Diego |
| 858 | La Jolla | San Diego |
| 858 | La Mesa | San Diego |
| 858 | Lakeside | San Diego |
| 858 | Lemon Grove | San Diego |
| 858 | Lincoln Acres | San Diego |
| 858 | Mount Laguna | San Diego |
| 858 | National City | San Diego |
| 858 | Pine Valley | San Diego |
| 858 | Potrero | San Diego |
| 858 | Poway | San Diego |
| 858 | Rancho San Diego | San Diego |
| 858 | Rancho Santa Fe | San Diego |
| 858 | San Diego | San Diego |
| 858 | San Ysidro | San Diego |
| 858 | Santee | San Diego |
| 858 | Solana Beach | San Diego |
| 858 | Spring Valley | San Diego |
| 858 | Tecate | San Diego |