🇺🇸 United States · California

Area code 650

Area code 650 is a telephone area code in California, United States, covering Redwood City, Palo Alto, San Mateo, Daly City, San Carlos, Mountain View and more. Local time is UTC−8 (UTC−7 in summer). Numbers look like (650) 234-5678, or +1 650 234 5678 from abroad.

State: California
Time zone: Los Angeles UTC−8 (UTC−7 in summer)
Local time now: –
Dial from abroad: +1 650

Places in area code 650

Cities and towns with telephone exchanges in the 650 area code, most exchanges first.

Redwood City
Palo Alto
San Mateo
Daly City
San Carlos
Mountain View
Los Altos
Pacifica
Menlo Park
Burlingame
Half Moon Bay
Stanford
South San Francisco
Pescadero

How to dial area code 650

Calling from	You dial
Inside the 650 area	650 234 5678 (10 digits)
Elsewhere in the US & Canada	1 650 234 5678
Any mobile phone, anywhere	+1 650 234 5678
UK, Europe, India and most countries	00 1 650 234 5678
Australia	0011 1 650 234 5678

Other area codes in California

Area code 650: FAQ

Where is area code 650?

Area code 650 is in California, United States and serves Redwood City, Palo Alto, San Mateo, Daly City, San Carlos, Mountain View. and other places

What time zone is area code 650 in?

Area code 650 is in the America/Los_Angeles time zone (UTC−8 (UTC−7 in summer)).

How do I call a 650 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 650 and the seven-digit number. Example: +1 650 234 5678.

Is a call from area code 650 a scam?

Area code 650 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 650 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/+16502345678

{
  "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"
}