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California · Area code

Area Code 858San Diego, CA

Area code 858 is in California, United States, and serves San Diego, La Jolla, Poway and Rancho Santa Fe. Its time zone is Pacific Time.

Area code 858 at a glance

Area code
858
Main place
San Diego, CA
State
California
Country
🇺🇸 United States
Country calling code
+1
Time zone
  • Pacific Time (America/Los_Angeles)
Dial from abroad
+1 858 XXX XXXX
Dial inside the US and Canada
1 858 XXX XXXX

Cities and places in area code 858

The places phone numbers beginning 858 were issued in, the most common first.

  • San Diego, CA
  • La Jolla, CA
  • Poway, CA
  • Rancho Santa Fe, CA

Look up a 858 number

Enter a full number with area code 858: it shows the line type, place, network and time zone, and every way to write it. Free and private.

Area code 858: frequently asked questions

Where is area code 858?

Area code 858 is in California, United States. It serves places including San Diego, La Jolla, Poway and Rancho Santa Fe.

What time zone is area code 858 in?

Area code 858 is on Pacific Time. A number with this area code can belong to someone living anywhere, so the time zone tells you where the number was issued rather than where the person is.

Which country is area code 858 in?

Area code 858 belongs to the United States, part of the North American Numbering Plan. Country code +1 is shared by the United States, Canada and many Caribbean and Pacific countries; the area code decides which one a number is in.

How do I call a 858 number from another country?

Dial your country's international access code (or press + on a mobile phone), then 1, then 858, then the seven-digit number: +1 858 followed by the number. Inside the United States and Canada, dial 1 and the ten digits.

Can I tell who is calling from an area code?

No. The area code only shows where a number was first issued. People keep their numbers when they move, mobile numbers work anywhere, and callers can disguise the number they call from. To see what the numbering plan says about a specific number, use the free phone number lookup.

What other area codes are in California?

Other area codes in California include 209, 213, 279, 310, 323, 341, 350, 369, 408 and 415.

Other area codes in California

See every area code