Area Code 837
Area code 837 is in California, USA , spanning 19 counties and serving 239 cities, including Chico, Yuba City or Woodland.
In service since January 31, 2025, area code 837 is an overlay Numbering Plan Area, part of overlay complex 530/837.
The current local time is .

For exact NPA boundaries see official 837 area code map
Phone number lookup
More California area codes:
Cities in area code 837
City1 | County | Time Zone1 |
---|---|---|
Adin | Modoc | P |
Alleghany | Sierra | P |
Alta | Placer | P |
Alturas | Modoc | P |
Anderson | Shasta | P |
Applegate | Placer | P |
Arbuckle | Colusa | P |
Artois | Glenn | P |
Auburn | Placer | P |
Bangor | Butte | P |
Beale Afb | Yuba | P |
Beckwourth | Plumas | P |
Belden | Plumas | P |
Bella Vista | Shasta | P |
Berry Creek | Butte | P |
Bieber | Lassen | P |
Big Bar | Trinity | P |
Big Bend | Shasta | P |
Biggs | Butte | P |
Blairsden-Graeagle | Plumas | P |
Brooks | Yolo | P |
Browns Valley | Yuba | P |
Brownsville | Yuba | P |
Burney | Shasta | P |
Burnt Ranch | Trinity | P |
Butte City | Glenn | P |
Callahan | Siskiyou | P |
Calpine | Sierra | P |
Camino | El Dorado | P |
Camptonville | Yuba | P |
Canby | Modoc | P |
Canyon Dam | Plumas | P |
Capay | Yolo | P |
Carnelian Bay | Placer | P |
Cassel | Shasta | P |
Castella | Shasta | P |
Cedar Ridge | Nevada | P |
Cedarville | Modoc | P |
Challenge | Yuba | P |
Chester | Plumas | P |
Chicago Park | Nevada | P |
Chico | Butte | P |
Chilcoot | Plumas | P |
Clio | Plumas | P |
Clipper Mills | Butte | P |
Colfax | Placer | P |
Coloma | El Dorado | P |
Colusa | Colusa | P |
Cool | El Dorado | P |
Corning | Tehama | P |
Cottonwood | Shasta | P |
Crescent Mills | Plumas | P |
Davis | Yolo | P |
Davis Creek | Modoc | P |
Diamond Springs | El Dorado | P |
Dobbins | Yuba | P |
Dorris | Siskiyou | P |
Douglas City | Trinity | P |
Downieville | Sierra | P |
Doyle | Lassen | P |
Dunnigan | Yolo | P |
Dunsmuir | Siskiyou | P |
Durham | Butte | P |
Dutch Flat | Placer | P |
Eagleville | Modoc | P |
Echo Lake | El Dorado | P |
El Dorado | El Dorado | P |
Elk Creek | Glenn | P |
Emigrant Gap | Placer | P |
Esparto | Yolo | P |
Etna | Siskiyou | P |
Fall River Mills | Shasta | P |
Feather Falls | Butte | P |
Floriston | Nevada | P |
Flournoy | Tehama | P |
Forbestown | Butte | P |
Forest Ranch | Butte | P |
Foresthill | Placer | P |
Forks Of Salmon | Siskiyou | P |
Fort Bidwell | Modoc | P |
Fort Jones | Siskiyou | P |
French Gulch | Shasta | P |
Garden Valley | El Dorado | P |
Gazelle | Siskiyou | P |
Georgetown | El Dorado | P |
Gerber | Tehama | P |
Glenn | Glenn | P |
Gold Run | Placer | P |
Goodyears Bar | Sierra | P |
Grass Valley | Nevada | P |
Greenview | Siskiyou | P |
Greenville | Plumas | P |
Greenwood | El Dorado | P |
Grenada | Siskiyou | P |
Gridley | Butte | P |
Grimes | Colusa | P |
Grizzly Flats | El Dorado | P |
Guinda | Yolo | P |
Hamilton City | Glenn | P |
Happy Camp | Siskiyou | P |
Hat Creek | Shasta | P |
Hayfork | Trinity | P |
Herlong | Lassen | P |
Homewood | Placer | P |
Hoopa | Humboldt | P |
Hornbrook | Siskiyou | P |
Hyampom | Trinity | P |
Igo | Shasta | P |
Janesville | Lassen | P |
Junction City | Trinity | P |
Kings Beach | Placer | P |
Klamath River | Siskiyou | P |
Knights Landing | Yolo | P |
Kyburz | El Dorado | P |
Lake City | Modoc | P |
Lakehead | Shasta | P |
Lewiston | Trinity | P |
Likely | Modoc | P |
Litchfield | Lassen | P |
Live Oak | Sutter | P |
Lookout | Modoc | P |
Los Molinos | Tehama | P |
Lotus | El Dorado | P |
Loyalton | Sierra | P |
Macdoel | Siskiyou | P |
Madeline | Lassen | P |
Madison | Yolo | P |
Magalia | Butte | P |
Manton | Tehama | P |
Markleeville | Alpine | P |
Marysville | Yuba | P |
Maxwell | Colusa | P |
McArthur | Lassen | P |
McCloud | Siskiyou | P |
Meadow Valley | Plumas | P |
Meadow Vista | Placer | P |
Meridian | Sutter | P |
Milford | Lassen | P |
Mill Creek | Tehama | P |
Millville | Shasta | P |
Mineral | Tehama | P |
Montague | Siskiyou | P |
Montgomery Creek | Shasta | P |
Mount Aukum | El Dorado | P |
Mount Shasta | Siskiyou | P |
Nelson | Butte | P |
Nevada City | Nevada | P |
Nicolaus | Sutter | P |
Norden | Nevada | P |
North San Juan | Nevada | P |
Nubieber | Lassen | P |
O'Brien | Shasta | P |
Oak Run | Shasta | P |
Old Station | Shasta | P |
Olivehurst | Yuba | P |
Olympic Valley | Placer | P |
Oregon House | Yuba | P |
Orland | Glenn | P |
Orleans | Humboldt | P |
Oroville | Butte | P |
Palermo | Butte | P |
Palo Cedro | Shasta | P |
Paradise | Butte | P |
Paskenta | Tehama | P |
Paynes Creek | Tehama | P |
Penn Valley | Nevada | P |
Pilot Hill | El Dorado | P |
Placerville | El Dorado | P |
Platina | Shasta | P |
Pleasant Grove | Sutter | P |
Pollock Pines | El Dorado | P |
Portola | Plumas | P |
Princeton | Colusa | P |
Proberta | Tehama | P |
Quincy | Plumas | P |
Rackerby | Yuba | P |
Ravendale | Lassen | P |
Red Bluff | Tehama | P |
Redding | Shasta | P |
Rescue | El Dorado | P |
Richvale | Butte | P |
Rio Oso | Sutter | P |
Robbins | Sutter | P |
Rough And Ready | Nevada | P |
Round Mountain | Shasta | P |
Rumsey | Yolo | P |
Salyer | Trinity | P |
Scott Bar | Siskiyou | P |
Seiad Valley | Siskiyou | P |
Shasta | Shasta | P |
Shasta Lake | Shasta | P |
Sheridan | Placer | P |
Shingle Springs | El Dorado | P |
Shingletown | Shasta | P |
Sierra City | Sierra | P |
Sierraville | Sierra | P |
Smartsville | Nevada | P |
Soda Springs | Nevada | P |
Somerset | El Dorado | P |
Somes Bar | Siskiyou | P |
South Lake Tahoe | El Dorado | P |
Standish | Lassen | P |
Stirling City | Butte | P |
Stonyford | Colusa | P |
Storrie | Plumas | P |
Strawberry Valley | Yuba | P |
Susanville | Lassen | P |
Sutter | Sutter | P |
Tahoe City | Placer | P |
Tahoe Vista | Placer | P |
Tahoma | El Dorado | P |
Taylorsville | Plumas | P |
Tehama | Tehama | P |
Termo | Lassen | P |
Trinity Center | Trinity | P |
Truckee | Nevada | P |
Tulelake | Siskiyou | P |
Twain | Plumas | P |
Twin Bridges | El Dorado | P |
Vina | Tehama | P |
Vinton | Plumas | P |
Washington | Nevada | P |
Weaverville | Trinity | P |
Weed | Siskiyou | P |
Weimar | Placer | P |
Wendel | Lassen | P |
Westwood | Plumas | P |
Wheatland | Yuba | P |
Whiskeytown | Shasta | P |
Whitmore | Shasta | P |
Williams | Colusa | P |
Willow Creek | Humboldt | P |
Willows | Glenn | P |
Winters | Yolo | P |
Woodland | Yolo | P |
Yolo | Yolo | P |
Yreka | Siskiyou | P |
Yuba City | Sutter | P |
Zamora | Yolo | P |
- Listed above are most places served by USA area code 837. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- P stands for Pacific Time (currently ).