United States

831 area code

Q: Is 831 a US or Canadian area code?

831 belongs to United States, in California. Both countries use +1, so the three-digit area code helps identify the destination.

Q: Can I call numbers with area code 831 from my browser?

Yes. Enter the full number in Talkala, check the rate, then sign in to call. The person answering uses their usual phone and does not need Talkala. Even if the format is correct, the number may no longer be in use or reachable.

The 831 area code is used in California, United States. Dial +1 831, then the seven-digit local number.

The +1 country code is shared by the United States, Canada and other destinations.

Dial +1 831, then the seven-digit local number.

Call with Talkala

Call mobiles and landlines from your browser.

United States starting rates

Landline: From $0.02/min
Mobile: From $0.02/min

These are starting rates for the US. Your full number and selected caller ID determine the final rate, which you see before calling.

Set up your call

Where is the 831 area code?

The 831 area code is used in California.

Places using this code include Salinas, Santa Cruz, Monterey, Watsonville, Carmel.

831 coverage area

Approximate coverage

United StatesExplore map

Map details and sources

Orange shows the approximate area served by 831. Boundaries are simplified for this map, using a historical telephone-area dataset with reviewed updates for shared and combined areas. It is a coverage guide, not an exact exchange-boundary survey. An area code does not show a caller’s current location.

Telephone boundaries: HSIP / UCLA dataset (public domain). Map geography: Natural Earth (public domain). Nearby city coordinates: Wikidata (CC0).

Coverage references: Numbering authority.

Got a call from 831?

831 is a geographic area code, but it does not identify who is calling or prove where they are. People can keep numbers after moving or use internet calling.

Caller ID can be faked. If a caller claims to be a company you know, check independently using a number from its official website.

How to dial 831 from abroad

From abroad

+1 831 XXX XXXX

Within the US

(831) XXX-XXXX

Replace each X with a digit from the number you want to call.

Dial +1, then 831, then the seven-digit local number. Within the US or Canada, keep the area code; your phone service may also require the leading 1.

In Talkala, enter the full number starting with +. If your phone service does not accept +, use its international access prefix instead. This varies by country and carrier.

Common questions

Questions about 831

Is 831 a US or Canadian area code?

831 belongs to United States, in California. Both countries use +1, so the three-digit area code helps identify the destination.

Is 831 a country code?

831 is an area code used in the US. The country calling code is +1.

The +1 calling code is shared by the United States, Canada and other countries and territories. Keep the recipient's area code when dialing.

Can I call numbers with area code 831 from my browser?

Yes. Enter the full number in Talkala, check the rate, then sign in to call.

The person answering uses their usual phone and does not need Talkala. Even if the format is correct, the number may no longer be in use or reachable.

Sources and limits

Numbering details checked Oct 16, 2026. Coverage is a general guide and may not list every place served.

Prices come from Talkala's published rates, updated May 12, 2026, using the default United States caller ID. The exact rate depends on your selected caller ID and full number.