Area codes 530 and 837 are telephone

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

North American Numbering Plan The North American Numbering Plan (NANP) is an integrated 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, World Numbering Zone ...

(NANP) in northeastern and

Northern California Northern California (commonly shortened to NorCal) is a geocultural region that comprises the northern portion of the U.S. state of California, spanning the northernmost 48 of the state's List of counties in California, 58 counties. Northern Ca ...

. 530 was created in 1997 in an area code split of 916 and 837 was added to the same numbering plan area as an overlay in 2025. The numbering plan area (NPA) includes the Sacramento Valley, including some outer suburbs of

Sacramento Sacramento ( or ; ; ) is the capital city of the U.S. state of California and the seat of Sacramento County. Located at the confluence of the Sacramento and American Rivers in Northern California's Sacramento Valley, Sacramento's 2020 p ...

Shasta Cascade The Shasta Cascade region of California is located in the northeastern and north-central sections of the state bordering Oregon and Nevada, including far northern parts of the Central Valley (California), Central Valley and the Sierra Nevada mou ...

, and the northern

Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...

. It comprises all or sections of the following counties: Alpine,

Butte In geomorphology, a butte ( ) is an isolated hill with steep, often vertical sides and a small, relatively flat top; buttes are smaller landforms than mesas, plateaus, and table (landform), tablelands. The word ''butte'' comes from the French l ...

, Colusa, El Dorado, Glenn, Humboldt, Lassen, Modoc, Mono,

Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...

, Placer, Plumas, Shasta, Sierra, Siskiyou, Sutter, Tehama,

Trinity The Trinity (, from 'threefold') is the Christian doctrine concerning the nature of God, which defines one God existing in three, , consubstantial divine persons: God the Father, God the Son (Jesus Christ) and God the Holy Spirit, thr ...

, Yolo, and Yuba.

History

Area code 530 was created in a split of numbering plan area 916 on November 1, 1997. Simultaneously, the Dixon exchange was reassigned from area code 916 to

area code 707 Area codes 707 and 369 are telephone area codes in the North American Numbering Plan (NANP) for the northwestern part of the U.S. state of California. The area codes serve part of the northern San Francisco Bay Area, as well as the North Coast. ...

, and from the Sacramento Local access and transport area (LATA) to the San Francisco LATA. Prior to October 2021, area code 530 had telephone numbers assigned for the central office code 988. In 2020, ''988'' was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. This area code was therefore scheduled to transition to

ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when Dialling (telephony), dialing to initiate a t ...

by October 24, 2021. On June 8, 2023, the California Public Utilities Commission assigned area code 837 to overlay 530, effectively in service on January 31, 2025. 837 is California's 40th area code. As ten-digit dialing is already in effect, no permissive dialing period will be necessary.

Service area

Major cities in the numbering plan area include Auburn, Chico, Colfax, Davis, Grass Valley, Corning, Marysville, Oroville,

Paradise In religion and folklore, paradise is a place of everlasting happiness, delight, and bliss. Paradisiacal notions are often laden with pastoral imagery, and may be cosmogonical, eschatological, or both, often contrasted with the miseries of human ...

, Placerville, Redding, Red Bluff, Susanville, Truckee,

Woodland A woodland () is, in the broad sense, land covered with woody plants (trees and shrubs), or in a narrow sense, synonymous with wood (or in the U.S., the '' plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunli ...

, Yuba City, and South Lake Tahoe.

Alpine County

* Alpine Village * Bear Valley * Markleeville * Mesa Vista * Woodfords

Butte County

* Bangor * Berry Creek *

Biggs Biggs may refer to: Arts and entertainment * Biggs (TV channel), a Portuguese television channel formerly for kids, teens and youth and now for teens and youth. * Biggs Darklighter, a character in ''Star Wars Episode IV: A New Hope'' * Biggs, a re ...

* Brush Creek * Butte Meadows * Centerville *

Cherokee The Cherokee (; , or ) people are one of the Indigenous peoples of the Southeastern Woodlands of the United States. Prior to the 18th century, they were concentrated in their homelands, in towns along river valleys of what is now southwestern ...

* Chico * Cohasset *

Concow Concow (Maidu: ''Koyoom Kʼawi'', meaning "Meadow") is an Unincorporated area, unincorporated community and census-designated place (CDP) in the Sierra Nevada foothills covering eastern Butte County, California, Butte County, California. Due to a ...

Dayton Dayton () is a city in Montgomery County, Ohio, United States, and its county seat. It is the List of cities in Ohio, sixth-most populous city in Ohio, with a population of 137,644 at the 2020 United States census, 2020 census. The Dayton metro ...

* DeSabla * Durham *East Biggs * Feather Falls * Forbestown * Forest Ranch * Gridley * Inskip * Magalia * Merrimac * Nord * Oregon City * Oroville East * Oroville *

Palermo Palermo ( ; ; , locally also or ) is a city in southern Italy, the capital (political), capital of both the autonomous area, autonomous region of Sicily and the Metropolitan City of Palermo, the city's surrounding metropolitan province. The ...

* Pulga * Richvale * South Oroville * Stirling City * Thermalito * Yankee Hill

Colusa County

* Arbuckle * College City * Colusa *

Grimes Claire Elise Boucher (; born March 17, 1988), known professionally as Grimes, is a Canadian musician, singer, songwriter, and record producer. Her lyrics often touch on science fiction and feminist themes. The visuals in her videos are elabora ...

Maxwell Maxwell may refer to: People * Maxwell (surname), including a list of people and fictional characters with the name ** James Clerk Maxwell, mathematician and physicist * Justice Maxwell (disambiguation) * Maxwell baronets, in the Baronetage of N ...

* Princeton * Sites * Stonyford * Williams

El Dorado County

* Cameron Park * Camino * Coloma * Cool * Diamond Springs * Ditch Camp Five * Echo Lake * El Dorado * Fresh Pond * Garden Valley * Georgetown * Kyburz * Little Norway * Meyers * Nebelhorn * Newtown *

Pacific 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 the definition, to Antarctica in the south, and is bounded by the cont ...

* Phillips * Placerville * Pollock Pines *

Rescue Rescue comprises responsive operations that usually involve the saving of life, removal from danger, liberation from restraint, or the urgent treatment of injury, injuries after an incident. It may be facilitated by a range of tools and equipm ...

* Riverton * Sciots Camp * Shingle Springs * South Lake Tahoe * Twin Bridges * White Hall

Glenn County

* Artois * Glenn * Hamilton City * Ordbend * Butte City * Orland * Willows

Humboldt County

* Willow Creek * Hoopa

Lassen County

* Bieber * Doyle * Herlong * Janesville * Ravendale * Susanville * Termo * Westwood

Modoc County

* Adin * Alturas * Canby * Cedarville * Davis Creek * Eagleville * Fort Bidwell * Newell * Stronghold * Tionesta

Nevada County

* Alta Sierra * Grass Valley * Lake of the Pines * Lake Wildwood * Nevada City * Penn Valley * Rough and Ready * Truckee * Washington

Placer County

* Alta * Applegate * Auburn * Carnelian Bay * Colfax * Dollar Point * Dutch Flat * Emigrant Gap * Foresthill * Gold Run, California * Homewood * Kings Beach * Meadow Vista * Sheridan * Squaw Valley * Sunnyside-Tahoe City * Tahoe Vista *

Weimar Weimar is a city in the state (Germany), German state of Thuringia, in Central Germany (cultural area), Central Germany between Erfurt to the west and Jena to the east, southwest of Leipzig, north of Nuremberg and west of Dresden. Together w ...

Plumas County

* Almanor * Beckwourth * Belden * Blairsden * Bucks Lake * C-Road * Canyondam * Caribou *

Chester Chester is a cathedral city in Cheshire, England, on the River Dee, Wales, River Dee, close to the England–Wales border. With a built-up area population of 92,760 in 2021, it is the most populous settlement in the borough of Cheshire West an ...

* Chilcoot-Vinton *

Clio In Greek mythology, Clio ( , ; ), also spelled Kleio, Сleio, or Cleo, is the muse of history, or in a few mythological accounts, the muse of lyre-playing. Etymology Clio's name is derived from the Greek root κλέω/κλείω (meaning ...

* Crescent Mills * Cromberg * Delleker * East Quincy * East Shore * Graeagle * Greenhorn * Greenville * Hamilton Branch * Indian Falls * Iron Horse * Johnsville * Keddie * La Porte * Lake Almanor Country Club * Lake Almanor Peninsula * Lake Almanor West * Lake Davis * Little Grass Valley * Meadow Valley * Mohawk Vista * Paxton * Plumas Eureka * Portola * Prattville * Quincy * Spring Garden * Storrie * Taylorsville * Tobin * Twain * Valley Ranch * Whitehawk

Shasta County

* Anderson * Bella Vista * Big Bend * Burney * Cassel * Castella * Cottonwood * Fall River Mills * French Gulch * Hat Creek * Igo * Lakehead-Lakeshore * McArthur * Millville * Montgomery Creek * Oak Run * Old Station * Palo Cedro * Platina * Pollard Flat * Redding * Round Mountain * Shasta Lake City * Shasta * Shingletown * Whiskeytown * Whitmore

Sierra County

* Alleghany * Calpine * Downieville * Loyalton * Sierra City

Siskiyou County

* Carrick * Dorris * Dunsmuir * Edgewood * Etna * Forks of Salmon * Fort Jones * Gazelle * Greenview *

Grenada Grenada is an island country of the West Indies in the eastern Caribbean Sea. The southernmost of the Windward Islands, Grenada is directly south of Saint Vincent and the Grenadines and about north of Trinidad and Tobago, Trinidad and the So ...

* Happy Camp * Hornbrook * Macdoel * McCloud * Montague * Mount Hebron *

Mount Shasta Mount Shasta ( ; Shasta people, Shasta: ''Waka-nunee-Tuki-wuki''; Karuk language, Karuk: ''Úytaahkoo'') is a Volcano#Volcanic activity, potentially active stratovolcano at the southern end of the Cascade Range in Siskiyou County, California. A ...

* Seiad Valley * Tennant * Tulelake *

Weed A weed is a plant considered undesirable in a particular situation, growing where it conflicts with human preferences, needs, or goals.Harlan, J. R., & deWet, J. M. (1965). Some thoughts about weeds. ''Economic botany'', ''19''(1), 16-24. Pla ...

* Yreka

Sutter County

* Live Oak * Meridian * Nicolaus * Rio Oso * Robbins * South Yuba City * Sutter * Tierra Buena * Yuba City

Tehama County

* Corning * Cottonwood * Dales * Gerber-Las Flores * Los Molinos * Manton * Mill Creek *

Mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. (2011): Mi ...

* Paskenta * Paynes Creek * Rancho Tehama * Red Bluff * Tehama

Trinity County

* Big Bar * Burnt Ranch * Douglas City * Hayfork * Hyampom * Junction City * Lewiston * Mad River * Salyer * Trinity Center * Weaverville

Yolo County

* Brooks * Capay * Davis * Dunnigan * El Macero *

Esparto Esparto, halfah grass, or esparto grass is a fiber produced from two species of perennial grasses of north Africa, Spain and Portugal. It is used for crafts, such as cords, basketry, and espadrilles. '' Stipa tenacissima'' and '' Lygeum spar ...

*Fremont * Knights Landing * Madison * Plainfield * Rumsey * Winters *

* Yolo * Zamora

Yuba County

Beale Air Force Base Beale Air Force Base (AFB) is a United States Air Force base in Yuba County, California, Yuba County, California. It is outside Linda, California, Linda, about east of the towns of Marysville, California, Marysville and Yuba City, and abo ...

* Challenge-Brownsville * Linda * Loma Rica * Marysville * Olivehurst * Plumas Lake * Wheatland

References

External links