🇺🇸 United States · California

Area code 831

Area code 831 is a telephone area code in California, United States, covering Salinas, Santa Cruz, Watsonville, Monterey, Carmel, Hollister and more. Local time is UTC−8 (UTC−7 in summer). Numbers look like (831) 234-5678, or +1 831 234 5678 from abroad.

State: California
Time zone: Los Angeles UTC−8 (UTC−7 in summer)
Local time now: –
Dial from abroad: +1 831

Places in area code 831

Cities and towns with telephone exchanges in the 831 area code, most exchanges first.

Salinas
Santa Cruz
Watsonville
Monterey
Carmel
Hollister
Scotts Valley
Aptos
Seaside
Marina
King City
Felton
Ben Lomond
Boulder Creek
San Jn Bautista
Castroville
Carmel Valley
Greenfield
Gonzales
Soledad
Aromas

How to dial area code 831

Calling from	You dial
Inside the 831 area	831 234 5678 (10 digits)
Elsewhere in the US & Canada	1 831 234 5678
Any mobile phone, anywhere	+1 831 234 5678
UK, Europe, India and most countries	00 1 831 234 5678
Australia	0011 1 831 234 5678

Other area codes in California

Area code 831: FAQ

Where is area code 831?

Area code 831 is in California, United States and serves Salinas, Santa Cruz, Watsonville, Monterey, Carmel, Hollister. and other places

What time zone is area code 831 in?

Area code 831 is in the America/Los_Angeles time zone (UTC−8 (UTC−7 in summer)).

How do I call a 831 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 831 and the seven-digit number. Example: +1 831 234 5678.

Is a call from area code 831 a scam?

Area code 831 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 831 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/+18312345678

{
  "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"
}