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All Area Codes/California
831

Salinas, California

Area code 831

State
California
Region
Pacific
Time zone
PT
Type
Geographic
--:--local time

Got a missed call from 831?

Our directory lists 831 for Salinas, California, but an area code alone cannot establish who is calling. Scammers can fake caller ID to match the first six digits of the number they are dialing, a trick called neighbor spoofing, so a familiar-looking code proves nothing about who is really calling.

If you were not expecting the call, let it go to voicemail. Verify the caller through a trusted contact method before returning the call, and never share personal details with an unverified caller.

Worth knowing: an area code no longer tells you where someone is. Mobile numbers keep their original code when people move, so a 831 number may belong to someone who left California years ago.

Frequently asked questions about 831

Where is area code 831?

Our directory lists area code 831 for Salinas, California. The listed city is a reference location, not a complete coverage map. A phone number's area code does not establish the caller's current location.

What time zone is area code 831 in?

This directory uses Pacific Time (PT) for California. This is state-level guidance; confirm the recipient's local time before calling.

Is area code 831 a scam?

An area code alone cannot tell you whether a call is genuine. Caller ID can be spoofed, including numbers that appear local. Let unexpected calls go to voicemail and verify the caller independently before sharing personal information.

Is area code 831 toll-free?

The directory lists 831 as a geographic area code, not a toll-free code. US toll-free codes include 800, 833, 844, 855, 866, 877, and 888. Your carrier and calling plan determine any charges.

37 listed area codes in California

209 Lodi213 Los Angeles279 Arden-Arcade310 Los Angeles323 Los Angeles341 Oakland369 Santa Rosa408 Gilroy415 San Francisco424 Beverly Hills442 Apple Valley510 Alameda530 Chico559 Clovis562 Bellflower619 Chula Vista626 Alhambra627 Santa Rosa628 San Francisco650 Daly City657 Anaheim661 Earlimart669 San Jose707 Benicia714 Anaheim747 Burbank760 Apple Valley805 Camarillo818 Agoura Hills820 Camarillo858 San Diego909 Anaheim916 Elk Grove925 Antioch949 Costa Mesa951 Corona

Nearby in the Pacific

206 Seattle253 Kent360 Bellingham425 Bellevue458 Eugene503 Beaver509 Kennewick541 Bend564 Seattle808 Honolulu

Where Is Area Code 831?

Area code 831 serves California’s Central Coast, with Salinas as its primary city. The service area includes Monterey, Santa Cruz, and San Benito counties. It covers coastal communities around Monterey Bay and inland communities in the Salinas Valley.

The area stretches from Santa Cruz and Watsonville in the north to King City in the south. Other principal cities include Monterey and Hollister. The service area includes the Monterey Peninsula and communities along the Pacific coast.

Monterey Bay is a major coastal feature, and the Santa Cruz Mountains rise inland to the north. The area also includes the Big Sur coast and Pinnacles National Park, which lies in San Benito and Monterey counties.

Cities and Communities in the 831 Area Code

  • Capitola, Santa Cruz County
  • Carmel-by-the-Sea, Monterey County
  • Del Rey Oaks, Monterey County
  • Gonzales, Monterey County
  • Greenfield, Monterey County
  • Hollister, San Benito County
  • King City, Monterey County
  • Marina, Monterey County
  • Monterey, Monterey County
  • Pacific Grove, Monterey County
  • Salinas, Monterey County
  • Sand City, Monterey County
  • San Juan Bautista, San Benito County
  • Santa Cruz, Santa Cruz County
  • Scotts Valley, Santa Cruz County
  • Seaside, Monterey County
  • Soledad, Monterey County
  • Watsonville, Santa Cruz County

History of Area Code 831

Area code 831 began service on July 11, 1998, when it split from area code 408. The change assigned Monterey, Santa Cruz, and San Benito counties to 831, while 408 continued to serve San Jose and nearby areas. Area code 408 had itself been created from 415 in 1959.

The split created a separate numbering area for the Central Coast as demand for telephone numbers grew. Area code 831 remains a geographic code, and no overlay has been introduced for its service area.

Key Facts About Area Code 831

  • Area code 831 is in California, and Salinas is its primary city.
  • Its service area includes parts of Monterey, Santa Cruz, and San Benito counties.
  • The area falls in the U.S. Census Pacific region and uses Pacific Time.
  • Area code 831 entered service on July 11, 1998, after a split from 408.
  • Area code 831 is geographic, not an overlay code.
  • Monterey Bay Aquarium is located in Monterey, within the 831 service area.
  • University of California, Santa Cruz is located in Santa Cruz, within the service area.
  • California State University, Monterey Bay is located in Seaside, within the service area.