Area codes 209 and 350 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 codes 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 the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

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 m ...

. Their service area includes Stockton, Modesto,

Turlock Turlock is a city in Stanislaus County, California, United States. Its estimated 2019 population of 73,631 made it the second-largest city in Stanislaus County after Modesto. History Founded on December 22, 1871, by prominent grain farmer Jo ...

, Merced, Winton, Atwater, Livingston, Manteca, Ripon, Tracy, Lodi,

Galt Galt or GALT may refer to: Biology and biochemistry * Galactose-1-phosphate uridylyltransferase, an enzyme * Gut-associated lymphoid tissue, a subset of mucosa-associated lymphoid tissue People and fictional characters * Galt (surname), a list o ...

, Sonora, Los Banos, San Andreas, Mariposa, and Yosemite, the northern

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 ...

(part of the Central Valley), and the Sierra Foothills. Area code 209 was created in an

area code split In telecommunications, an area code split is the practice of introducing a new telephone area code by geographically dividing an existing numbering plan area (NPA), and assigning area codes to the resulting divisions, but retaining the existing ar ...

from

area code 415 Area codes 415 and 628 are telephone area codes in the North American Numbering Plan (NANP) for the city of San Francisco and its northern suburbs in Marin County (across the Golden Gate), and the northeast corner of San Mateo County in the U.S. ...

on October 26, 1957. On November 14, 1998, the southern half of this numbering plan area was merged into

area code 559 Area code 559 is a California telephone area code that was split from area code 209 on November 14, 1998. It covers the central San Joaquin Valley in central California, serving the counties of Fresno, Madera, Kings, and Tulare—an area large ...

to make more central office prefixes available. On October 24, 2021, area code 209 was transitioned to

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 ...

, despite not being part of an overlay numbering plan at that time, The area code had telephone numbers assigned for the

central office code 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 ...

988. In 2020, ''988'' was designated nationwide as a dialing code for the

988 Suicide & Crisis Lifeline The 988 Suicide & Crisis Lifeline (formerly known as the National Suicide Prevention Lifeline) is a United States-based suicide prevention network of over 200+ crisis centers that provides 24/7 service via a toll-free hotline with the number ...

, which created a conflict for exchanges that still permitted

seven-digit dialing Seven-digit dialing is a telephone dialing procedure customary in some territories of the North American Numbering Plan (NANP) for dialing telephone numbers in the same numbering plan area (NPA). NANP telephone numbers consist of ten digits, of wh ...

. On November 28, 2022, the 209 numbering plan area was assigned a second area code, 350, to create an all-service overlay, in mitigation of central office prefix exhaustion from increasing code assignments in the area, which was forecast by the NANP Administrator for the fourth quarter of that year. The network preparation period could be expedited since ten-digit dialing was already in effect.

Service area

;Counties: :

Alpine Alpine may refer to any mountainous region. It may also refer to: Places Europe * Alps, a European mountain range ** Alpine states, which overlap with the European range Australia * Alpine, New South Wales, a Northern Village * Alpine National Pa ...

, Amador, Calaveras, El Dorado, Mariposa,

Merced Merced (; Spanish for "Mercy") is a city in, and the county seat of, Merced County, California, United States, in the San Joaquin Valley. As of the 2020 Census, the city had a population of 86,333, up from 78,958 in 2010. Incorporated on April 1 ...

Sacramento ) , image_map = Sacramento County California Incorporated and Unincorporated areas Sacramento Highlighted.svg , mapsize = 250x200px , map_caption = Location within Sacramento ...

, San Joaquin, Stanislaus, Tuolumne ;Towns and cities: : Acampo,

Big Oak Flat Groveland-Big Oak Flat is an unincorporated community and former census-designated place (CDP) in Tuolumne County, California, United States. The population was 3,388 at the 2000 census. This CDP included the communities of Groveland, Big Oak ...

, Burson,

Ceres Ceres most commonly refers to: * Ceres (dwarf planet), the largest asteroid * Ceres (mythology), the Roman goddess of agriculture Ceres may also refer to: Places Brazil * Ceres, Goiás, Brazil * Ceres Microregion, in north-central Goiás ...

, Chinese Camp, Coarsegold, Clements, Columbia, Crows Landing, Dardanelle,

Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, primarily its western or right bank, Delhi shares borders ...

, Denair, El Portal,

Empire An empire is a "political unit" made up of several territories and peoples, "usually created by conquest, and divided between a dominant center and subordinate peripheries". The center of the empire (sometimes referred to as the metropole) ex ...

, Escalon,

Farmington Farmington may refer to: Places Canada *Farmington, British Columbia * Farmington, Nova Scotia (disambiguation) United States *Farmington, Arkansas *Farmington, California *Farmington, Connecticut *Farmington, Delaware * Farmington, Georgia * ...

, French Camp,

, Groveland, Hathaway Pines,

Herald A herald, or a herald of arms, is an officer of arms, ranking between pursuivant and king of arms. The title is commonly applied more broadly to all officers of arms. Heralds were originally messengers sent by monarchs or noblemen to ...

Hickman Hickman or Hickmann may refer to: People * Hickman (surname), notable people with the surname Hickman or Hickmann * Hickman Ewing, American attorney * Hickman Price (1911–1989), assistant secretary in the United States Department of Commerce * ...

, Hilmar, Holt, Hornitos, Hughson, Jamestown, Keyes, Kit Carson, La Grange, Lathrop, Le Grand, Linden, Lockeford, Lodi,

Long Barn Long Barn, located in the village of Sevenoaks Weald, Kent, is a Grade II* listed building and a Grade II* registered garden. Reputedly the birthplace of William Caxton, the house was later the home of Vita Sackville-West and Harold Nicolson. ...

, Manteca, Mi Wuk Village, Midpines,

Moccasin A moccasin is a shoe, made of deerskin or other soft leather, consisting of a sole (made with leather that has not been "worked") and sides made of one piece of leather, stitched together at the top, and sometimes with a vamp (additional panel o ...

, Modesto, Mount Aukum, Mountain House, Newman, Oakdale,

Patterson Patterson may refer to: People * Patterson (surname) Places ;Canada * Pattersons Corners, Ontario *Patterson Township, Ontario *Patterson, Calgary a neighbourhood in Calgary, Alberta. ;United States of America * Patterson, Arkansas *Patterson, C ...

, Pinecrest, Planada, Ripon, River Pines, Riverbank, Salida, Santa Rita Park,

Sheep Ranch A ranch (from es, rancho/Mexican Spanish) is an area of land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of a farm. These terms are most often ...

, Sonora, Soulsbyville,

Standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object th ...

, Stevinson, Stockton, Thornton, Tracy, Tuolumne,

, Twain Harte, Vernalis,

Victor The name Victor or Viktor may refer to: * Victor (name), including a list of people with the given name, mononym, or surname Arts and entertainment Film * ''Victor'' (1951 film), a French drama film * ''Victor'' (1993 film), a French shor ...

Waterford "Waterford remains the untaken city" , mapsize = 220px , pushpin_map = Ireland#Europe , pushpin_map_caption = Location within Ireland##Location within Europe , pushpin_relief = 1 , coordinates ...

, Westley, Wilseyville, Woodbridge, and

Yosemite National Park Yosemite National Park ( ) is an American national park in California, surrounded on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers an ...

;

Alpine County , other_name = , settlement_type = County , image_skyline = , image_flag = Flag of Alpine County, California.svg , flag_size = , image_seal = Seal of Alpine Co ...

: * Kirkwood ; Amador County: * Amador City * Buckhorn *

Buena Vista Buena Vista, meaning "good view" in Spanish, may refer to: Places Canada *Bonavista, Newfoundland and Labrador, with the name being originally derived from “Buena Vista” *Buena Vista, Saskatchewan *Buena Vista, Saskatoon, a neighborhood in ...

* Drytown * Fiddletown * Ham's Station * Ione *

Jackson Jackson may refer to: People and fictional characters * Jackson (name), including a list of people and fictional characters with the surname or given name Places Australia * Jackson, Queensland, a town in the Maranoa Region * Jackson North, Qu ...

* Martell * Pine Grove *

Pioneer Pioneer commonly refers to a settler who migrates to previously uninhabited or sparsely inhabited land. In the United States pioneer commonly refers to an American pioneer, a person in American history who migrated west to join in settling and de ...

* Plymouth * Sutter Creek *

Volcano A volcano is a rupture in the Crust (geology), crust of a Planet#Planetary-mass objects, planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and volcanic gas, gases to escape from a magma chamber below the surface. On Ear ...

;

Calaveras County Calaveras County (), officially the County of Calaveras, is a county in both the Gold Country and High Sierra regions of the U.S. state of California. As of the 2010 census, the population was 45,292. The county seat is San Andreas. Angels C ...

: * Altaville *

Angels Camp Angels Camp, also known as City of Angels and formerly Angel's Camp, Angels, Angels City, Carson's Creek and Clearlake, is the only incorporated city in Calaveras County, California, United States. The population was 3,836 at the 2010 census, up ...

* Arnold * Avery * Calaveritas * Campo Seco * Cave City * Copperopolis * Dorrington * Douglas Flat * Forest Meadows * Fourth Crossing * Glencoe * Jenny Lind * Jesus Maria *

Mokelumne Hill Mokelumne Hill (''Mokelumne'', Miwok for "People of the Fish Net") is a census-designated place (CDP) in Calaveras County, California, United States. The population was 646 at the 2010 census, down from 774 at the 2000 census. It is commonly referr ...

Mountain Ranch Mountain Ranch (formerly, El Dorado and El Dorado Town) is a census-designated place (CDP) in Calaveras County, California, United States. The population was 1,628 at the 2010 census, up from 1,557 at the 2000 census. The town is registered as Cali ...

* Murphys * Paloma * Rail Road Flat * Rancho Calaveras * San Andreas * Sandy Gulch * Vallecito * Valley Springs *

Wallace Wallace may refer to: People * Clan Wallace in Scotland * Wallace (given name) * Wallace (surname) * Wallace (footballer, born 1986), full name Wallace Fernando Pereira, Brazilian football left-back * Wallace (footballer, born 1987), full name ...

West Point The United States Military Academy (USMA), also known Metonymy, metonymically as West Point or simply as Army, is a United States service academies, United States service academy in West Point, New York. It was originally established as a f ...

;

Mariposa County Mariposa County () is a county in the U.S. state of California. As of the 2020 U.S. Census, the population was 17,131. The county seat is Mariposa. It is located in the western foothills of the Sierra Nevada mountains, north of Fresno, east of ...

: * Bootjack * Buck Meadows * Catheys Valley * Coulterville * Mariposa * Wawona *

Yosemite Valley Yosemite Valley ( ; ''Yosemite'', Miwok for "killer") is a glacial valley in Yosemite National Park in the western Sierra Nevada mountains of Central California. The valley is about long and deep, surrounded by high granite summits such as Hal ...

;

Merced County Merced County ( ), is a county located in the northern San Joaquin Valley section of the Central Valley, in the U.S. state of California. As of the 2020 census, the population was 281,202. The county seat is Merced. The county is named after ...

: * Atwater * Ballico * Cressey *

* Dos Palos * El Nido * Gustine * Hilmar * Le Grand * Livingston * Los Banos * Merced * Planada * Santa Nella * Snelling * South Dos Palos * Winton ;

Sacramento County Sacramento County () is a county located in the U.S. state of California. As of the 2020 census, the population was 1,585,055. Its county seat is Sacramento, which has been the state capital of California since 1854. Sacramento County is the ...

: *

;

San Joaquin County San Joaquin County (; Spanish: ''San Joaquín'', meaning " St. Joachim"), officially the County of San Joaquin, is a county in the U.S. state of California. As of the 2020 census, the population was 779,233. The county seat is Stockton. San ...

: *

August August is the eighth month of the year in the Julian and Gregorian calendars, and the fifth of seven months to have a length of 31 days. Its zodiac sign is Leo and was originally named ''Sextilis'' in Latin because it was the 6th month in ...

Banta Banta Soda, or Banta, also Goli Soda or Goti Soda and Fotash Jawl, is a popular carbonated lemon or orange-flavoured soft drink sold in India since the late 19th century in a distinctly shaped iconic Codd-neck bottle. The pressure created by ...

Country Club A country club is a privately owned club, often with a membership quota and admittance by invitation or sponsorship, that generally offers both a variety of recreational sports and facilities for dining and entertaining. Typical athletic offe ...

* Escalon *

* French Camp * Garden Acres * Kennedy * Lathrop * Lincoln Village * Linden * Lockeford * Lodi * Manteca * Morada * Mountain House * North Woodbridge * Ripon * South Woodbridge * Stockton * Taft Mosswood * Tracy *

; Stanislaus County: * Bystrom *

* Del Rio * Denair * East Oakdale *

* Grayson *

* Hughson * Keyes * Knights Ferry * Modesto * Newman * Oakdale *

* Riverbank * Riverdale Park * Salida * Shackelford *

* West Modesto * Westley ;

Tuolumne County Tuolumne County (), officially the County of Tuolumne, is a county located in the U.S. state of California. As of the 2020 census, the population was 55,620. The county seat and only incorporated city is Sonora. Tuolumne County comprises the ...

: *

Bret Harte Bret Harte (; born Francis Brett Hart; August 25, 1836 – May 5, 1902) was an American short story writer and poet best remembered for short fiction featuring miners, gamblers, and other romantic figures of the California Gold Rush. In a caree ...

* Chinese Camp * Columbia *

Confidence Confidence is a state of being clear-headed either that a hypothesis or prediction is correct or that a chosen course of action is the best or most effective. Confidence comes from a Latin word 'fidere' which means "to trust"; therefore, having ...

* East Sonora * Groveland-Big Oak Flat * Jamestown * Mi-Wuk Village *

* Mono Vista * Phoenix Lake-Cedar Ridge *

Pine Mountain Lake A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accep ...

* Sonora * Soulsbyville * Strawberry * Tuolumne City * Twain Harte

References

External links

{{coord, 38, -121, region:US-CA, display=title 209 Amador County, California Calaveras County, California El Dorado County, California Mariposa County, California Merced County, California San Joaquin County, California Stanislaus County, California Tuolumne County, California San Joaquin Valley Sierra Nevada (United States) Telecommunications-related introductions in 1958 209

Service area

See also

References

External links