🇺🇸 United States · California

Area code 408

Area code 408 is a telephone area code in California, United States, covering San Jose, Santa Clara, Milpitas, Campbell, Sunnyvale, Cupertino and more. Local time is UTC−8 (UTC−7 in summer). Numbers look like (408) 234-5678, or +1 408 234 5678 from abroad.

State: California
Time zone: Los Angeles UTC−8 (UTC−7 in summer)
Local time now: –
Dial from abroad: +1 408

Places in area code 408

Cities and towns with telephone exchanges in the 408 area code, most exchanges first.

San Jose
Santa Clara
Milpitas
Campbell
Sunnyvale
Cupertino
Los Gatos
Morgan Hill
Gilroy
Saratoga
San Martin

How to dial area code 408

Calling from	You dial
Inside the 408 area	408 234 5678 (10 digits)
Elsewhere in the US & Canada	1 408 234 5678
Any mobile phone, anywhere	+1 408 234 5678
UK, Europe, India and most countries	00 1 408 234 5678
Australia	0011 1 408 234 5678

Other area codes in California

Area code 408: FAQ

Where is area code 408?

Area code 408 is in California, United States and serves San Jose, Santa Clara, Milpitas, Campbell, Sunnyvale, Cupertino. and other places

What time zone is area code 408 in?

Area code 408 is in the America/Los_Angeles time zone (UTC−8 (UTC−7 in summer)).

How do I call a 408 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 408 and the seven-digit number. Example: +1 408 234 5678.

Is a call from area code 408 a scam?

Area code 408 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 408 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+14082345678

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}