Area code · CA
858 area code
The 858 area code serves San Diego, California. Look up a specific 858 number, or browse other popular area codes.
2 min readUpdated October 6, 2026By the SecondBars team
Location
San Diego, CA
Timezone
Pacific
State
California
Major cities
La Jolla, Del Mar, Poway
ABOUTAbout the 858 area code
The 858 area code is assigned to San Diego, California. Phone numbers with this area code are used by residents and businesses in the San Diego metropolitan area and surrounding communities.
If you've received an unwanted call from a 858 area code number, use the phone lookup to see what we have on file for it. Don't call back numbers you don't recognize or share personal details, and block numbers that keep calling.
EXPLOREPopular area codes
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