Area codes 805 and 820 are

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 ...

s in 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 ...

. 805 was split from

area code 213 Area codes 213 and 323 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of California. They are assigned to a numbering plan area (NPA) that comprises, roughly, the area of central Los Angeles, and includes ...

in 1957. They include most or all of the

counties of

San Luis Obispo San Luis Obispo (; Spanish for " St. Louis the Bishop", ; Chumash: ''tiłhini'') is a city and county seat of San Luis Obispo County, in the U.S. state of California. Located on the Central Coast of California, San Luis Obispo is roughly h ...

, Santa Barbara, Ventura, plus the southernmost portions of Monterey County. On February 13, 1999, area code 805 was split, with

area code 661 Area code 661 is a California telephone area code that covers the majority of Kern County, as well as part of Los Angeles County, Santa Barbara County, and Tulare County. It was split from area code 805 on February 13, 1999. Principal cities i ...

having been created for the inland areas, which are the

San Joaquin Valley The San Joaquin Valley ( ; es, Valle de San Joaquín) is the area of the Central Valley of the U.S. state of California that lies south of the Sacramento–San Joaquin River Delta and is drained by the San Joaquin River. It comprises seven ...

, Santa Clarita Valley, and

Antelope Valley The Antelope Valley is located in northern Los Angeles County, California, and the southeast portion of Kern County, California, and constitutes the western tip of the Mojave Desert. It is situated between the Tehachapi, Sierra Pelona, and t ...

. Area code 805 also serves the US military facilities in

Kwajalein Kwajalein Atoll (; Marshallese language, Marshallese: ) is part of the Marshall Islands, Republic of the Marshall Islands (RMI). The southernmost and largest island in the atoll is named Kwajalein Island, which its majority English-speaking res ...

, Republic of the Marshall Islands with a

Paso Robles Paso Robles ( ), officially El Paso de Robles (Spanish language, Spanish for "The Pass of Oaks"), is a city in San Luis Obispo County, California, San Luis Obispo County, California, United States. Located on the Salinas River (California), Sal ...

prefix A prefix is an affix which is placed before the stem of a word. Adding it to the beginning of one word changes it into another word. For example, when the prefix ''un-'' is added to the word ''happy'', it creates the word ''unhappy''. Particu ...

(805-355-xxxx). This arrangement originated from the US Army's first satellite communications station having been built at nearby Camp Roberts. In August 2016, the California Public Utilities Commission held a series of hearings regarding the potential need to provide a relief area code for 805 in the form of an overlay or a split. On May 25, 2017, the Commission approved 820 as an overlay area code. New telephone numbers of 820 area code began service in June 2018, requiring ten-digit dialing for all calls.

Service area

Monterey County

* Bradley * Gorda * Bryson * Parkfield

San Luis Obispo County

* Arroyo Grande *

Atascadero Atascadero ( Spanish for " Mire") is a city in San Luis Obispo County, California, about equidistant from Los Angeles and San Francisco on U.S. Route 101. Atascadero is part of the San Luis Obispo-Paso Robles metropolitan statistical area, ...

* Avila Beach * Baywood-Los Osos * California Valley *

Cambria Cambria is a name for Wales, being the Latinised form of the Welsh name for the country, . The term was not in use during the Roman period (when Wales had not come into existence as a distinct entity). It emerged later, in the medieval period, ...

* Cayucos *

Cholame Cholame (; Salinan: ''Tco'alam'') is an unincorporated community in San Luis Obispo County, California, United States. It sits within a mile of the San Andreas Fault at an elevation of above sea level and is located at . Cholame is reached via ...

Grover Beach Grover Beach is a city in San Luis Obispo County, California, United States. The population was 13,156 at the 2010 census, up from 13,067 in 2000. Grover Beach is the location of the Pacific Crossing cable Landing station. This is where trans-pa ...

* Halcyon *

Harmony In music, harmony is the process by which individual sounds are joined together or composed into whole units or compositions. Often, the term harmony refers to simultaneously occurring frequencies, pitches ( tones, notes), or chords. Howev ...

Lake Nacimiento Lake Nacimiento is an long lake on the Nacimiento River in northern San Luis Obispo County, California. The lake contains many arms including Snake Creek and Dip Creek, nearer the dam, and the central Las Tablas and Franklin Creeks. Due to th ...

Los Osos Los Osos (Spanish for "the bears") is an unincorporated town and census-designated place (CDP) in San Luis Obispo County, California. Located on the Central Coast of California, Los Osos had a population estimated to be 16,533 in 2019. Histo ...

* Morro Bay * Nipomo * Oceano *

* Pismo Beach * Pozo *

* San Miguel * San Simeon * Santa Margarita * Shandon *

Templeton Templeton may refer to: Places * Templeton station, Richmond, British Columbia, Canada * Templeton, New Zealand United Kingdom * Templeton, Angus, Scotland * Templeton, Devon, England * Templeton, Pembrokeshire, Wales ** RAF Templeton * Templet ...

Santa Barbara County

* Ballard *

Buellton Buellton is a small city in Santa Barbara County, California, United States. It is located in the Santa Ynez Valley, west of Solvang. The population was 5,161 at the 2020 census, up from 4,828 at the 2010 census. Located at the junction of U. ...

* Carpinteria * Casmalia * Garey * Gaviota *

Goleta Goleta or La Goleta may refer to: * ''Goleta'' (spider), a spider genus * Goleta, California, United States, a suburban city in Santa Barbara County * La Goleta, the Spanish and Portuguese name for La Goulette, a municipality and the port of Tu ...

Guadalupe Guadalupe or Guadeloupe may refer to: Places Bolivia * Guadalupe, Potosí Brazil * Guadalupe, Piauí, a municipality in the state of Piauí * Guadalupe, Rio de Janeiro, a neighbourhood in the city of Rio de Janeiro Colombia * Guadalupe, A ...

* Hope Ranch * Isla Vista * Lompoc * Los Alamos * Los Olivos *

Mission Canyon Mission Canyon is a census-designated place and an unincorporated suburb of Santa Barbara, California, in Santa Barbara County, United States. The population was 2,381 at the 2010 census, down from 2,610 at the 2000 census. Mission Canyon is di ...

* Mission Hills * Montecito * Orcutt * Santa Barbara * Santa Maria * Santa Ynez *

Sisquoc Sisquoc (Chumashan languages, Chumash for "quail") is a census-designated place in Santa Barbara County, California located east of U.S. Route 101 about southeast of Santa Maria, California, Santa Maria and south of Garey, California, Garey. The ...

* Solvang * Summerland * Toro Canyon * Vandenberg SFB * Vandenberg Village * Ventucopa

Ventura County

Bardsdale Bardsdale is a rural unincorporated community and populated place in Ventura County, California. It is located in the orange blossom and agricultural belt of the Santa Clara River Valley, south of the Santa Clara River and on the north slope o ...

* Buckhorn * Camarillo * Casa Conejo * Channel Islands Beach * El Rio *

Fillmore Fillmore may refer to: Places Canada * Fillmore, Saskatchewan * Rural Municipality of Fillmore No. 96, Saskatchewan United States * Fillmore, California * Fillmore District, San Francisco, California * Fillmore, Louisiana * Fillmore, Illino ...

* La Conchita * Lake Sherwood *

Meiners Oaks Meiners Oaks is an unincorporated community lying west of the Ojai, California, city of Ojai in Ventura County, California, United States. The population was 3,571 at the 2010 census. For statistical purposes, the United States Census Bureau has d ...

Mira Monte Mira Monte (; Spanish for "Mountain View") is a rural community in Ventura County, California, United States. Mira Monte is located in between the communities of Oak View, Meiners Oaks, and southwest of the City of Ojai, California. For stat ...

* Montalvo * Moorpark * Newbury Park * Oak View * Ojai * Oxnard * Piru * Point Mugu * Port Hueneme * Santa Paula * Saticoy *

Simi Valley Simi Valley (; Chumash: ''Shimiyi'') is a city in the valley of the same name in the southeast region of Ventura County, California, United States. Simi Valley is from Downtown Los Angeles, making it part of the Greater Los Angeles Area. T ...

Somis Somis (; Chumash: ''Śo Mís'') is an unincorporated community in Ventura County, California. It was established in 1892 by Thomas Bard and D.T. Perkins on a portion of the Rancho Las Posas Mexican land grant. Somis is in the Las Posas Valley< ...

* Thousand Oaks * Ventura

References

External links

{{coord, 34.6, -120.2, region:US-CA_type:adm2nd_dim:400km, display=title 805/820 805/820 Monterey County, California Santa Barbara County, California San Luis Obispo County, California Ventura County, California