Area Code 858
San Diego, California - Covers 314K phone records in our database
858
San Diego
California
314K
About Area Code 858
Area code 858 is a telephone area code serving San Diego and surrounding areas in California. Our database contains 314K phone records associated with this area code.
Area code 858 covers the following areas:
| City | State | Records |
|---|---|---|
| San Diego | California | 314K |
| Roy | Utah | 213 |
How to Use Area Code 858
To call a phone number with area code 858, dial 1-858-XXX-XXXX from within the United States. For international calls to this area code, dial your country's exit code followed by 1-858 and the 7-digit local number.
If you've received an unknown call from area code 858, you can use our reverse phone lookup tool to identify the caller.