Area code 831 is a

telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into el ...

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, re ...

in the

North American Numbering Plan The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calling ...

(NANP) for a small region of the U.S. state of

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

. The numbering plan area (NPA) comprises Monterey County, San Benito County, and Santa Cruz County. The area code was created on July 11, 1998 in a split from area code 408.

Service area

The service area of NPA 831 includes Big Sur,

Monterey Bay Monterey Bay is a bay of the Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica ...

, the Salinas Valley, and the southwestern

Santa Cruz Mountains The Santa Cruz Mountains, part of the Pacific Coast Ranges, are a mountain range in central and Northern California, United States. They form a ridge down the San Francisco Peninsula, south of San Francisco. They separate the Pacific Ocean fr ...

. Major cities in the area are Salinas, Hollister,

Monterey Monterey (; es, Monterrey; Ohlone: ) is a city located in Monterey County on the southern edge of Monterey Bay on the U.S. state of California's Central Coast. Founded on June 3, 1770, it functioned as the capital of Alta California under bo ...

, Santa Cruz and places in the northern Central Coast.

Monterey County

* Aromas * Boronda *

Carmel Highlands Carmel Highlands is an unincorporated community in Monterey County, California, United States. It is south of Carmel-by-the-Sea (better known as simply, "Carmel"), at an elevation of 318 feet (97 m). Carmel Highlands is also located just sou ...

Carmel Valley Village Carmel Valley Village is an unincorporated community and census-designated place (CDP) in Monterey County, California, United States. In 1946, Byington Ford and Tirey L. Ford Jr. developed the Carmel Valley Village, which included an airpark, sho ...

Carmel-by-the-Sea Carmel-by-the-Sea (), often simply called Carmel, is a city in Monterey County, California, United States, founded in 1902 and incorporated on October 31, 1916. Situated on the Monterey Peninsula, Carmel is known for its natural scenery and ric ...

* Castroville * Chualar * Del Monte Forest * Del Rey Oaks * Elkhorn * Gonzales * Gorda *

Greenfield Greenfield or Greenfields may refer to: Engineering and Business * Greenfield agreement, an employment agreement for a new organisation * Greenfield investment, the investment in a structure in an area where no previous facilities exist * Greenf ...

* Jolon * King City * Las Lomas *

Lockwood Lockwood may refer to: Places Australia *Lockwood, Victoria *Lockwood South, Victoria United Kingdom * Lockwood, North Yorkshire, England *Lockwood, West Yorkshire, England United States *Lockwood, Amador County, California *Lockwood, Monterey Coun ...

Marina A marina (from Spanish language, Spanish , Portuguese language, Portuguese and Italian language, Italian : ''marina'', "coast" or "shore") is a Dock (maritime), dock or basin with moorings and supplies for yachts and small boats. A marina dif ...

* Moss Landing * Pacific Grove * Pajaro * Pebble Beach * Prunedale * Salinas *

San Ardo San Ardo, formerly known as San Bernardo ( Spanish for "St. Bernard"), is an unincorporated community and census-designated place (CDP) in Monterey County, California, United States. San Ardo is located southeast of King City at an elevation of ...

* San Lucas * Sand City * Seaside * Soledad * Spreckels

San Benito County

* Aromas * Hollister *

New Idria New Idria was an unincorporated town in San Benito County, California. It was named after the New Idria Mercury Mine, which closed in 1972, resulting in a ghost town. Geography The area is inside Area code 831. It is included in the Monterey Ba ...

* Paicines *

Panoche The unincorporated community of Panoche is located along Panoche Road in the southern, rural part of San Benito County, California, United States. The community is about 2.7 driving miles east of County Route J1. The county seat, Hollister, ...

* Ridgemark *

San Juan Bautista San Juan Bautista is the Spanish-language name of Saint John the Baptist. It may refer to: Places Bolivia *San Juan Bautista, Bolivia, Jesuit mission ruins near the village of San Juan de Taperas Chile *San Juan Bautista, Chile, Juan Fernández ...

Tres Pinos Tres Pinos ( Spanish for "Three Pines") is a census-designated place in San Benito County, California. The community lies along State Route 25, approximately 4 miles south of Hollister and 5 miles north of Paicines. Tres Pinos sits at an elev ...

Santa Cruz County

* Amesti * Aptos Hills-Larkin Valley *

Aptos Aptos (Ohlone for "The People") is an unincorporated town in Santa Cruz County, California. The town is made up of several small villages, which together form Aptos: Aptos Hills-Larkin Valley, Aptos Village, Cabrillo, Seacliff, Rio del Mar, and Se ...

* Ben Lomond * Bonny Doon * Boulder Creek *

Brookdale Brookdale is the name of many settlements, institutions, and businesses in English-speaking countries. Cities and towns * Brookdale, California, an unincorporated town in Santa Cruz County * Brookdale, Kansas * Brookdale, Manitoba, an unincorporat ...

* Capitola * Corralitos *

Davenport Davenport may refer to: Places Australia *Davenport, Northern Territory, a locality * Hundred of Davenport, cadastral unit in South Australia **Davenport, South Australia, suburb of Port Augusta **District Council of Davenport, former local govern ...

* Day Valley * Felton * Freedom * Interlaken * Live Oak * Lompico * Mount Hermon * Opal Cliffs *

Pasatiempo Pasatiempo ( Spanish for "Pastime") is an unincorporated community and census-designated place (CDP) in Santa Cruz County, California, United States, located along State Route 17 between Scotts Valley and Santa Cruz. Bus service is provid ...

Rio del Mar Rio del Mar (Spanish language, Spanish: ''Río del Mar'', meaning "River of the Sea") is an unincorporated area, unincorporated village in Santa Cruz County, California. Rio del Mar is one of several small villages that form the unincorporated com ...

* Santa Cruz * Scotts Valley * Soquel * Summit * Swanton * Twin Lakes *

Watsonville Watsonville is a city in Santa Cruz County, California, located in the Monterey Bay Area of the Central Coast of California. The population was 52,590 according to the 2020 census. Predominantly Latino and Democratic, Watsonville is a self-d ...

References

External links