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279 Area CodeSacramento, CA

Area code 279 covers Sacramento and 45 other cities in California: 1,479,293 people in 4 counties, led by Sacramento and Placer, on Pacific Time (PT). It overlays 916.

Overview

Major City
Sacramento
State
California (CA)
Timezone
Pacific Time (PT)
Current Time
–:––
Overlay
Yes – shares area with 916

Nearby Area Codes

Where is area code 279?

Overview of the 279 Area Code

Geographic Coverage of the 279 Area Code

All 46 cities

Sacramento Area Codes Overview

What cities does area code 279 cover?

CityStatePopulationPopulation in 279% of listed-city population% of City
SacramentoCA535,798221,56427.4%41.4%
Elk GroveCA182,797182,7979.4%100.0%
RosevilleCA163,304163,3048.4%100.0%
Arden-ArcadeCA92,18692,1864.7%100.0%
FolsomCA88,09188,0914.5%100.0%
Citrus HeightsCA86,90986,9094.4%100.0%
Rancho CordovaCA84,11335,0954.3%41.7%
RocklinCA75,12975,1293.8%100.0%
CarmichaelCA61,76261,7623.2%100.0%
LincolnCA56,26856,2682.9%100.0%
West SacramentoCA55,99102.9%0.0%
FlorinCA47,51327,5922.4%58.1%
AntelopeCA45,77045,7702.3%100.0%
North HighlandsCA42,69442,6942.2%100.0%
El Dorado HillsCA42,10834,1112.2%81.0%
OrangevaleCA33,96033,9601.7%100.0%
Foothill FarmsCA33,12133,1211.7%100.0%
Fair OaksCA30,91230,9121.6%100.0%
VineyardCA24,83624,8361.3%100.0%
RosemontCA22,68101.2%0.0%
Granite BayCA20,40220,4021.0%100.0%
Cameron ParkCA18,22800.9%0.0%
Rio LindaCA15,10615,1060.8%100.0%
ParkwayCA14,67000.7%0.0%
Lemon HillCA13,72900.7%0.0%
La RivieraCA10,80200.6%0.0%
Gold RiverCA7,9127,9120.4%100.0%
LoomisCA6,9396,9390.4%100.0%
Fruitridge PocketCA5,80000.3%0.0%
ElvertaCA5,4925,4920.3%100.0%
Rancho MurietaCA5,4885,4880.3%100.0%
WiltonCA5,3635,3630.3%100.0%
MatherCA4,45100.2%0.0%
WheatlandCA4,11000.2%0.0%
Walnut GroveCA1,5421,5420.1%100.0%
SheridanCA1,23800.1%0.0%
NewcastleCA1,2241,2240.1%100.0%
HeraldCA1,18400.1%0.0%
PenrynCA8318310.0%100.0%
IsletonCA7817810.0%100.0%
McClellan ParkCA7437430.0%100.0%
ClarksburgCA4184180.0%100.0%
CourtlandCA3553550.0%100.0%
HoodCA2712710.0%100.0%
FranklinCA1551550.0%100.0%
FreeportCA38380.0%100.0%

City population is shown in full; each city's share inside 279 is measured from Census tract centroids.

What counties does area code 279 cover?

CountyStatePopulation in 279% of area-code footprint% of County
Sacramento CountyCA1,103,86775%70%
Placer CountyCA328,08522%81%
El Dorado CountyCA45,9403%24%
Yolo CountyCA1,4010%1%
Sources:

Has area code 279 been reported for unwanted calls?

Yes – 876 FTC complaints, May 29 – Oct 1, 2026.

  • 68% robocalls
  • ↓ 10% vs prior period
  • FTC data, retrieved 2026-10-05

Most-reported subjects

  • Reducing your debt (credit cards, mortgage, student loans)37%320
  • Other36%318
  • Calls pretending to be government, businesses, or family and friends9%81

Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints.

Which prefixes and exchanges belong to area code 279?

9% assigned to a telco

  • 92% Landline
  • 8% Wireless
  • 0% Unknown
PrefixUsageCarrier
(279)200-LandlineHd Carrier
(279)201-LandlineOnvoy
(279)202-LandlineLevel 3 Communications
(279)203-WirelessNew Cingular Wireless Pcs
(279)204-WirelessNew Cingular Wireless Pcs
(279)205-LandlineLevel 3 Communications
(279)206-LandlineBandwidth.Com Clec
(279)207-LandlineMetropcs
(279)208-LandlineMetropcs
(279)209-LandlineSkyetel
(279)210-LandlineWavenation
(279)212-WirelessNew Cingular Wireless Pcs
(279)213-LandlineBandwidth.Com Clec
(279)214-LandlineBandwidth.Com Clec
(279)215-LandlineBandwidth.Com Clec
(279)216-WirelessT-Mobile Usa
(279)217-LandlineOnvoy
(279)218-LandlineTpx Communications
(279)219-LandlineBandwidth.Com Clec
(279)220-WirelessVerizon Wireless
(279)221-LandlinePaetec Communications
(279)222-LandlineFractel
(279)223-LandlineMcimetro Access Transmission Services
(279)224-LandlineTeleport Communications America
(279)225-LandlineLevel 3 Communications
(279)226-WirelessT-Mobile Usa
(279)227-LandlineBandwidth.Com Clec
(279)228-LandlineRace Telecommunications
(279)229-LandlineTpx Communications
(279)230-LandlineTeleport Communications America
(279)231-LandlineNuso
(279)232-LandlineCommio
(279)233-LandlineNuso
(279)234-LandlineFractel
(279)235-LandlineMetropcs
(279)247-LandlineFractel
(279)277-LandlineFractel
(279)278-LandlineRadiantiq
(279)279-LandlineRadiantiq
(279)289-LandlineOnvoy
(279)297-LandlineOnvoy
(279)300-LandlineOnvoy
(279)321-LandlineOnvoy
(279)322-LandlineFractel
(279)333-LandlineOnvoy
(279)336-LandlineFractel
(279)345-LandlineFractel
(279)346-LandlineFractel
(279)348-LandlineFractel
(279)356-LandlineFractel
(279)386-LandlineFractel
(279)399-LandlineMcimetro Access Transmission Services
(279)400-LandlineFractel
(279)444-LandlineOnvoy
(279)465-LandlineFractel
(279)499-LandlineFractel
(279)500-LandlineFractel
(279)529-LandlineFractel
(279)587-LandlineFractel
(279)599-LandlineFractel
(279)600-LandlineFractel
(279)666-LandlineFractel
(279)667-LandlineFractel
(279)675-LandlineTon80 Communications
(279)688-LandlineFractel
(279)699-LandlineFractel
(279)732-LandlineFractel
(279)737-LandlineOnvoy
(279)758-LandlineFractel
(279)759-LandlineFractel
(279)766-LandlineFractel
(279)777-LandlineOnvoy
(279)782-LandlineTon80 Communications
(279)786-LandlineTon80 Communications
(279)789-LandlineFractel
(279)790-LandlineOnvoy
(279)799-LandlineFractel
(279)800-LandlineFractel
(279)842-LandlineFractel
(279)867-LandlineCommio
(279)888-LandlineOnvoy
(279)895-LandlineTwilio International
(279)899-LandlineFractel
(279)900-LandlineFractel
(279)901-LandlineOnvoy Spectrum
(279)944-WirelessT-Mobile Usa
(279)946-LandlineFractel
(279)966-LandlineFractel
(279)972-LandlineOnvoy
(279)977-LandlineFractel
(279)999-LandlineOnvoy

Frequently Asked Questions about the 279 Area Code

Who called me from a 279 number?

8% of its assigned prefixes are wireless. Largest holders: Fractel, Onvoy, and Bandwidth.Com Clec.

Is 279 a scam area code?

Carriers hold 9% of its possible prefixes.

Why do I keep getting calls from the 279 area code?

Complaints fell 10% on the prior period.

Should I answer an unknown 279 number?

68% of its FTC complaints were robocalls. Its most-reported subject was "Reducing your debt (credit cards, mortgage, student loans)", at 37%.

How do I block calls from the 279 area code?

Blocking 279 still lets 916 numbers through.

Where is area code 279?

279 covers 46 cities and 1,479,293 residents in 4 California counties, led by Sacramento, Placer, and El Dorado.

When did area code 279 go into service?

279 went into service on March 10, 2018. It was added to overlay 916.

Is 279 a real area code?

Yes: 22 carriers hold its prefixes, serving 46 cities in Sacramento, Placer, El Dorado, and 1 other county.

What timezone is the 279 area code in?

279 is on Pacific Time (PT).

How do I call a 279 number from abroad?

Dial +1 279, then the number.

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