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 e ...

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, rea ...

s in the U.S. state of

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. 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 hal ...

, Santa Barbara, Ventura, plus the southernmost portions of

Monterey County Monterey County ( ), officially the County of Monterey, is a county located on the Pacific coast in the U.S. state of California. As of the 2020 census, its population was 439,035. The county's largest city and county seat is Salinas. Montere ...

. 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 in t ...

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 c ...

Santa Clarita Valley The Santa Clarita Valley (SCV) is part of the upper watershed of the Santa Clara River in Southern California. The valley was part of the Rancho San Francisco Mexican land grant. Located in Los Angeles County, its main population center is th ...

, 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 the ...

. Area code 805 also serves the US military facilities in

Kwajalein Kwajalein Atoll (; Marshallese: ) is part of the Republic of the Marshall Islands (RMI). The southernmost and largest island in the atoll is named Kwajalein Island, which its majority English-speaking residents (about 1,000 mostly U.S. civilia ...

Republic of the Marshall Islands The Marshall Islands ( mh, Ṃajeḷ), officially the Republic of the Marshall Islands ( mh, Aolepān Aorōkin Ṃajeḷ),'' () is an independent island country and microstate near the Equator in the Pacific Ocean, slightly west of the Intern ...

with a

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

prefix A prefix is an affix which is placed before the Word stem, 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'' ...

(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 The California Public Utilities Commission (CPUC or PUC) is a regulatory agency that regulates privately owned public utilities in the state of California, including electric power, telecommunications, natural gas and water companies. In addition ...

held a series of hearings regarding the potential need to provide a relief area code for 805 in the form of an

overlay Overlay may refer to: Computers *Overlay network, a computer network which is built on top of another network *Hardware overlay, one type of video overlay that uses memory dedicated to the application *Another term for exec, replacing one process ...

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 Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telep ...

for all calls.

Service area

Monterey County

Bradley Bradley is an English surname derived from a place name meaning "broad wood" or "broad meadow" in Old English. Like many English surnames Bradley can also be used as a given name and as such has become popular. It is also an Anglicisation of t ...

* Gorda * Bryson * Parkfield

San Luis Obispo County

Arroyo Grande Arroyo often refers to: * Arroyo (creek), an intermittently dry creek Arroyo may also refer to: People * Arroyo (surname) Places United States ;California * Arroyo Burro Beach, a public beach park in Santa Barbara County, California * Arroyo ...

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, which ...

Avila Beach Avila Beach (Spanish: ''Ávila'') is an unincorporated community in San Luis Obispo County, California, United States, located on San Luis Obispo Bay about 160 miles (257 km) northwest of Los Angeles, and about south of San Francisco. The ...

* 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, a ...

Cayucos Cayucos (Spanish for "Canoe") is an unincorporated coastal town in San Luis Obispo County, California, along California State Route 1 between Cambria to the north and Morro Bay to the south. The population was 2,505 at the 2020 census, down f ...

* Cholame * Grover Beach *

Halcyon Halcyon is a name originally derived from Alcyone of Greek mythology. Halcyon or Halcyone may refer to: Arts and entertainment Television * ''Halcyon'' (TV series), a Virtual Reality murder mystery on SyFy * '' The Halcyon'', British period ...

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. However ...

* Lake Nacimiento * Los Osos *

Morro Bay Morro Bay (''Morro'', Spanish for "Hill") is a seaside city in San Luis Obispo County, California. Located on the Central Coast of California, the city population was 10,757 as of the 2020 census, up from 10,234 at the 2010 census. The town ...

Nipomo Nipomo (; Chumash: ''Nipumuʔ'') is a unincorporated town in San Luis Obispo County, California, United States. The population was 16,714 for the 2010 census and grew to 18,176 for the 2020 census. For statistical purposes, the United States ...

Oceano Oceano (Spanish: ''Océano'', meaning "Ocean") is a census-designated place (CDP) in San Luis Obispo County, California, United States. The population was 7,286 at the 2010 census, up from 7,260 at the 2000 census. Geography Oceano is located a ...

Pismo Beach Pismo Beach (Chumash: ''Pismuʔ'') is a city in the southern portion of San Luis Obispo County, in the Central Coast area of California, United States. The estimated population was 8,072 at the 2020 census, up from 7,655 in the 2010 census. It ...

* Pozo *

* San Miguel *

San Simeon San Simeon (Spanish: ''San Simeón'', meaning "St. Simon") is a village and Census-designated place on the Pacific coast of San Luis Obispo County, California, United States. Its position along State Route 1 is about halfway between Los Angeles ...

* Santa Margarita * Shandon * Templeton

Santa Barbara County

* Ballard * Buellton *

Carpinteria Carpinteria (; es, Carpintería, meaning "Carpentry") is a small seaside city in southeastern Santa Barbara County, California. Located on the Central Coast of California, it had a population of 13,264 at the 2020 census. Carpinteria is a po ...

Casmalia Casmalia (Chumashan languages, Chumash: ''Kasma’li'', meaning "it is the last") is a census-designated place (CDP) in Santa Barbara County, California located just outside the borders of Vandenberg Air Force Base about southwest of Santa Maria, ...

* 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 La Goulette (, it, La Goletta), i ...

* Guadalupe *

Hope Ranch Hope Ranch is an unincorporated coastal suburb of Santa Barbara, California, located in Santa Barbara County. It is bounded on the east by Santa Barbara, on the north and west by the unincorporated area of Noleta, and on the south by the Pacifi ...

Isla Vista Isla Vista is an unincorporated community and census-designated place (CDP) in Santa Barbara County, California in the United States. As of 2020 census, the community had a population of 15,500. The majority of residents are college students at t ...

Lompoc Lompoc ( ; Chumash: ''Lum Poc'') is a city in Santa Barbara County, California. Located on the Central Coast, Lompoc has a population of 43,834 as of July 2021. Lompoc has been inhabited for thousands of years by the Chumash people, who called ...

* 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, California, Santa Barbara County, United States. The population was 2,381 at the 2010 census, down from 2,610 at the 2 ...

* Mission Hills * Montecito *

Orcutt Orcutt is an unincorporated town and census-designated place located in the Santa Maria Valley in Santa Barbara County, California, United States. Orcutt is named for William Warren Orcutt, the manager of the Geological, Land and Engineering Dep ...

* Santa Barbara * Santa Maria *

Santa Ynez Santa Ynez (; Spanish for "St. Agnes") is a census-designated place (CDP) in the Santa Ynez Valley of Santa Barbara County, California. The town of Santa Ynez is one of the communities of the Santa Ynez Valley. It features the Santa Ynez Airport ...

* Sisquoc * Solvang * Summerland * Toro Canyon *

Vandenberg SFB Vandenberg Space Force Base , previously Vandenberg Air Force Base, is a United States Space Force Base in Santa Barbara County, California. Established in 1941, Vandenberg Space Force Base is a space launch base, launching spacecraft from th ...

Vandenberg Village Vandenberg Village is a census-designated place (CDP) in the unincorporated area of Santa Barbara County, California, United States. The population was 6,497 at the 2010 census, up from 5,802 at the 2000 census. It is a community situated in the ...

* Ventucopa

Ventura County

* Bardsdale * Buckhorn *

Camarillo Camarillo ( ) is a city in Ventura County in the U.S. state of California. As of the 2020 United States Census, the population was 70,741, an increase of 5,540 from the 65,201 counted in the 2010 Census. Camarillo is named for brothers Juan an ...

Casa Conejo Casa Conejo (; Spanish for "Rabbit House") is an unincorporated county island in Newbury Park, Ventura County, California, United States. It was the first planned community in Newbury Park and began building in 1960. When the city of Thousand O ...

Channel Islands Beach Channel Islands Beach is an unincorporated community in Ventura County, California, United States consisting of three historic neighborhoods: Hollywood Beach, Hollywood by the Sea, and Silver Strand Beach. This densely populated narrow along the c ...

* El Rio * Fillmore *

La Conchita La Conchita (; Spanish for "The Little Shell") is a small unincorporated community in western Ventura County, California, on U.S. Route 101 just southeast of the Santa Barbara county line. The ZIP Code is 93001, and the community is inside ar ...

* Lake Sherwood * Meiners Oaks * Mira Monte * Montalvo *

Moorpark Moorpark is a city in Ventura County in Southern California. Moorpark was founded in 1900. The town grew from just over 4,000 citizens in 1980 to over 25,000 by 1990. As of 2006, Moorpark was one of the fastest-growing cities in Ventura County.. ...

* Newbury Park * Oak View *

Ojai Ojai ( ; Chumash: ''’Awhaỳ'') is a city in Ventura County, California. Located in the Ojai Valley, it is northwest of Los Angeles and east of Santa Barbara. The valley is part of the east–west trending Western Transverse Ranges and is ...

Oxnard Oxnard () is a city in Ventura County, California, United States. On California's South Coast, it is the most populous city in Ventura County and the 22nd-most-populous city in California. Incorporated in 1903, Oxnard lies approximately west ...

* Piru *

Point Mugu Point Mugu (, Chumash: ''Muwu'') is a cape or promontory within Point Mugu State Park on the Pacific Coast in Ventura County, near the city of Port Hueneme and the city of Oxnard. The name is believed to be derived from the Chumash Indian term ...

Port Hueneme Port Hueneme ( ; Chumash: ''Wene Me'') is a small beach city in Ventura County, California, surrounded by the city of Oxnard and the Santa Barbara Channel. Both the Port of Hueneme and Naval Base Ventura County lie within the city limits. P ...

Santa Paula Santa Paula ( Spanish for " St. Paula") is a city in Ventura County, California, United States. Situated amid the orchards of the Santa Clara River Valley, the city advertises itself to tourists as the "Citrus Capital of the World". Santa P ...

* 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. The ...

* Somis *

Thousand Oaks Thousand Oaks is the second-largest city in Ventura County, California, United States. It is in the northwestern part of Greater Los Angeles, approximately from the city of Los Angeles and from Downtown. It is named after the many oak tree ...

* 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