California · Pacific Time  Updated July 2026

Area Code 279

Sacramento and surrounding communities

Area code 279 serves Sacramento, California and communities including Antelope, Atascadero, Auburn and more. Every city it covers is listed below, with who-called help, the live local time and the full prefix registry.

Getting calls from a 279 number? The code is legit, but spoofing is common. Look up the prefix ›
Largest citySacramento
Local time3:30 AM PT
Nearby916 · 925 · 510
Since2018
Call now?Late in Sacramento. Consider texting

Who Called Me from Area Code 279?

Quick answerA 279 call usually comes from Sacramento or nearby communities, but caller ID can be spoofed, so a local-looking number isn’t proof. If there’s no voicemail, let it go: legitimate callers leave messages.
  • No voicemail? Let it go. Real callers leave messages.
  • Recognize the pattern? Check the number in the prefix lookup.
  • Getting repeats? ActiveArmor® blocks and labels them automatically.
  • Same prefix calling again? Compare it against this month’s most-reported 279 prefixes, right on this page.
  • Curious who issued a number? Every 279 prefix belongs to a carrier — the registry names it.
Been targeted?Report the call at reportfraud.ftc.gov — reports feed the complaint data that powers spam blocking, including the board on this page. AT&T customers already have ActiveArmor® screening built in.
Most-reported 279 prefixes this month
PrefixReported patternReport volume
(279) 759-XXXXRobocall-heavy
(279) 790-XXXXRobocall-heavy
(279) 799-XXXXRobocall-heavy
(279) 237-XXXXRobocall-heavy
(279) 322-XXXXRobocall-heavy

128 unwanted-call reports naming 279 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.

Block spam calls in the 279, included with AT&T wireless

AT&T ActiveArmor® is the network-level security that screens the calls this page is about:

  • Fraud calls blocked automatically on the network
  • Suspected spam labeled before you answer
  • Caller ID & custom call blocking in the free app
  • Reverse number lookup (available with ActiveArmor Advanced security. Fee required.)
  • Identity monitoring & identity theft insurance (available with ActiveArmor Advanced security. Fee required.)

Included with AT&T wireless plans. Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See terms.

See how ActiveArmor worksIncluded with the free 30-day AT&T Wireless trial
Try AT&T Wireless free for 30 daysDownload the AT&T app, activate a trial eSIM in minutes, and run our network side by side with your current service. No credit card, keep your number.
  • 100GB of data plus 25GB hotspot
  • Unlimited talk & text in the U.S., Canada and Mexico
  • Texting from the U.S. to 200+ countries & territories
  • Access to the AT&T 5G network
Start your free trialCompatible iPhone required. 5G requires a compatible plan and device; coverage not available everywhere. Terms & restrictions apply.
Offer details

Service good for 30 days. Data: Limited to 100GB of data and 25GB of hotspot data. No additional data is available after limit is reached. Video is limited to SD quality. Talk & Text: Includes unlimited talk & text within the U.S. and unlimited text from the U.S. to over 230 countries. Limits: One trial per user. An unlocked, dual eSIM iPhone is required. You’ll receive a trial phone number that belongs to AT&T and is not available to be ported to another carrier or otherwise retained. Trial plan features and details may differ from or be unavailable in other AT&T plans. U.S. only. All terms subject to change at any time.

Is Area Code 279 a Scam?

No. 279 is a legitimate Sacramento area code.

It’s added to the 916 region in 2018 and serves Sacramento and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.

The code is realAdded to the 916 region in 2018; 148 assigned carrier prefixes serve it today.
Spoofing happens“Neighbor spoofing” fakes local numbers. No voicemail? Let it go.
Screening includedActiveArmor® labels and blocks suspected spam. Included with AT&T wireless plans.

Been targeted? Report it to the FTC at reportfraud.ftc.gov. Reports feed the complaint data that powers spam blocking.

Scam texts from area code 279 numbers

The most common area code 279 text scam is the “wrong number” opener: a friendly message that pretends to know you, then moves the chat to WhatsApp and eventually to an investment pitch. Scripts currently circulating:

  • “U at home?” · “Are you busy tomorrow?” · “How are you doing?”
  • Delivery-problem and job-offer texts that link out to a login page

Don’t reply. A response marks your number as live. Forward scam texts to 7726 (SPAM), and AT&T ActiveArmor® filters known senders automatically.

How number spoofing works in area code 279

Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 279 number isn’t involved and usually has no idea. That’s why blocking one number rarely stops the calls.

  • A call from a number almost identical to yours (same 279 and prefix) is “mirror spoofing.” A missed call from your own number is never worth returning.
  • Strangers calling you back saying you called them? Your 279 number is being spoofed. It typically passes within days, and you don’t need a new number. Report it at reportfraud.ftc.gov.
  • The caller-ID checkmark: AT&T verifies network calls (STIR/SHAKEN). A verified mark means the displayed number wasn’t faked. No mark doesn’t always mean scam, but treat it with more caution.

Spoofed or not, the rule holds: unexpected caller, no voicemail? Let it go.

279 Area Code Prefix & Carrier Lookup

The three digits after the area code identify the carrier a number was issued to. All 148 assigned 279 prefixes below are real, from the public numbering registry. Type to filter.

This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a 279 prefix does show: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to, which is often enough to judge whether a call was worth returning.

148 prefixes · updated monthly
PrefixCarrierLine type
279-200Hd CarrierLandline
279-201Onvoy (Sinch)VoIP
279-202Lumen (Level 3)VoIP
279-203AT&T MobilityWireless
279-204AT&T MobilityWireless
279-205Lumen (Level 3)VoIP
279-206Bandwidth.comVoIP
279-207Metro by T-Mobile (MetroPCS)Wireless
279-208Metro by T-Mobile (MetroPCS)Wireless
279-209TwilioVoIP
279-210T-MobileWireless
279-212AT&T MobilityWireless
279-213Bandwidth.comVoIP
279-214Bandwidth.comVoIP
279-215Bandwidth.comVoIP
279-216T-MobileWireless
279-217Onvoy (Sinch)VoIP
279-218TPx CommunicationsLandline
279-219Bandwidth.comVoIP
279-220Verizon WirelessWireless
279-221Windstream (Paetec)Landline
279-222FracTELLandline
279-223Verizon Business (MCImetro)Landline
279-224AT&T (Teleport Communications)Landline
279-225Lumen (Level 3)VoIP
279-226T-MobileWireless
279-227Bandwidth.comVoIP
279-228Race TelecommunicationsLandline
279-229TPx CommunicationsLandline
279-230AT&T (Teleport Communications)Landline
279-231NusoLandline
279-232CommioLandline
279-233NusoLandline
279-234FracTELLandline
279-235Metro by T-Mobile (MetroPCS)Wireless
279-236Onvoy (Sinch)VoIP
279-237Onvoy (Sinch)VoIP
279-238Onvoy (Sinch)VoIP
279-239Onvoy (Sinch)VoIP
279-240Onvoy (Sinch)VoIP
279-241T-MobileWireless
279-242Onvoy (Sinch)VoIP
279-243Onvoy (Sinch)VoIP
279-244Onvoy (Sinch)VoIP
279-245T-MobileWireless
279-246T-MobileWireless
279-247FracTELLandline
279-248T-MobileWireless
279-249T-MobileWireless
279-250CommioLandline
279-251CommioLandline
279-252T-MobileWireless
279-253T-MobileWireless
279-254T-MobileWireless
279-255Onvoy (Sinch)VoIP
279-256Onvoy (Sinch)VoIP
279-257T-MobileWireless
279-258T-MobileWireless
279-259Onvoy (Sinch)VoIP
279-260Onvoy (Sinch)VoIP
279-261Astound BroadbandLandline
279-262Onvoy (Sinch)VoIP
279-263Boost MobileLandline
279-264Onvoy (Sinch)VoIP
279-265AT&T MobilityWireless
279-266Five9Landline
279-267Bandwidth.comVoIP
279-268Leap TelecomLandline
279-269Five9Landline
279-270NusoLandline
279-271Verizon WirelessWireless
279-272AT&T MobilityWireless
279-273AT&T MobilityWireless
279-274Onvoy (Sinch)VoIP
279-275AT&T MobilityWireless
279-276AT&T MobilityWireless
279-277FracTELLandline
279-278Onvoy (Sinch)VoIP
279-279Onvoy (Sinch)VoIP
279-280Onvoy (Sinch)VoIP
279-281AT&T MobilityWireless
279-282AT&T MobilityWireless
279-283Onvoy Spectrum (Sinch)VoIP
279-284Onvoy (Sinch)VoIP
279-285AT&T (Teleport Communications)Landline
279-286Verizon WirelessWireless
279-287AT&T MobilityWireless
279-288AT&T (Teleport Communications)Landline
279-289Onvoy (Sinch)VoIP
279-290T-MobileWireless
279-291AT&T MobilityWireless
279-292AT&T MobilityWireless
279-293Onvoy (Sinch)VoIP
279-294AT&T (Teleport Communications)Landline
279-295Onvoy (Sinch)VoIP
279-297Onvoy (Sinch)VoIP
279-300Onvoy (Sinch)VoIP
279-321Onvoy (Sinch)VoIP
279-322FracTELLandline
279-333Onvoy (Sinch)VoIP
279-336FracTELLandline
279-345FracTELLandline
279-346FracTELLandline
279-348FracTELLandline
279-356FracTELLandline
279-386FracTELLandline
279-399Verizon Business (MCImetro)Landline
279-400FracTELLandline
279-438Exiant CommunicationsLandline
279-444Onvoy (Sinch)VoIP
279-465FracTELLandline
279-499FracTELLandline
279-500FracTELLandline
279-529FracTELLandline
279-587FracTELLandline
279-599FracTELLandline
279-600FracTELLandline
279-666FracTELLandline
279-667FracTELLandline
279-675Ton80 CommunicationsLandline
279-688FracTELLandline
279-699FracTELLandline
279-732FracTELLandline
279-737Onvoy (Sinch)VoIP
279-758FracTELLandline
279-759FracTELLandline
279-766FracTELLandline
279-777Onvoy (Sinch)VoIP
279-782Ton80 CommunicationsLandline
279-786Ton80 CommunicationsLandline
279-789FracTELLandline
279-790Onvoy (Sinch)VoIP
279-799FracTELLandline
279-800FracTELLandline
279-842FracTELLandline
279-867CommioLandline
279-8808X8Landline
279-888Onvoy (Sinch)VoIP
279-895TwilioVoIP
279-899FracTELLandline
279-900FracTELLandline
279-901Onvoy Spectrum (Sinch)VoIP
279-944T-MobileWireless
279-946FracTELLandline
279-966FracTELLandline
279-972Onvoy (Sinch)VoIP
279-977FracTELLandline
279-999Onvoy (Sinch)VoIP

Line type reflects the registry assignment; ported numbers can differ. Unknown 279 number calling? ActiveArmor® screens it before you ever look it up.

Cities & Communities in and around Area Code 279

Communities the 279 serves, filtered against the numbering registry’s rate centers, with each community’s key ZIP codes and the AT&T home internet available there. Cities link to their local AT&T internet page.

City / communityKey ZIP codesAT&T internet
Antelope95843, 95842, 95660Internet Air
Auburn95603, 95658, 95614Fiber up to 5 GIG
Cameron Park95672, 95762, 95682Fiber up to 5 GIG
Carmichael95608, 95841, 95670Fiber up to 5 GIG
Citrus Heights95610, 95621, 95842Internet Air
Clarksburg95639, 95612, 95832Internet Air
Courtland95615, 95612, 95639Check address
East Nicolaus95659, 95674, 95668Check address
El Dorado Hills95762, 95672, 95630Fiber up to 5 GIG
Elk Grove95758, 95624, 95823Internet Air
Elverta95673, 95626, 95843Internet Air
Fair Oaks95628, 95662, 95610Fiber up to 5 GIG
Folsom95630, 95671, 95762Fiber up to 5 GIG
Galt95632, 95220, 95258Internet Air
Gold River95628, 95670, 95608Fiber up to 5 GIG
Granite Bay95746, 95650, 95677Internet Air
Isleton95641, 95690, 95686Check address
Lincoln95648, 95765, 95663Fiber up to 5 GIG

City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.

279 Area Code Map

Area code 279 serves Sacramento and nearby communities in CA.

Map of area code 279 coverage in California↓  Printable PDF

Open the printable 279 map (PDF) · All California area codes · Home internet in Sacramento

Counties Covered by the 279 Area Code

Sacramento County
Share of combined population52%
Population1,585,055
Largest 279 citySacramento
Solano County
Share of combined population15%
Population453,491
Largest 279 cityRio Vista
Placer County
Share of combined population13%
Population404,739
Largest 279 cityAuburn
Yolo County
Share of combined population7%
Population216,403
Largest 279 cityWest Sacramento

Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 279 also reaches parts of El Dorado County, Sutter County, Yuba County.

The 279, explained

Area Code 279: More Than a Number in Sacramento

In Sacramento, the 279 is more than digits on a caller ID. It arrived in 2018, layered onto the 916 region, and it has meant Sacramento and surrounding communities ever since — 148 carrier prefixes keep its lines busy today, and an established 279 number still says you’ve been here a while.

The map tells its own story: Sacramento and surrounding communities, with 916 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 279 came first.

Keeping a 279 matters here. An existing 279 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S. New lines in the area often draw 916 instead — one more reason locals hold on to theirs.

Need a new local number? Shop plans Keep your 279: bring it to AT&T

Internet, wireless & stores in the 279

AT&T Home Internet in Area Code 279

AT&T home internet serves communities across area code 279, with AT&T Fiber where it’s built and AT&T Internet Air covering the gaps. Availability is decided address by address; every community in the table above links to its local internet page.

No data capsNo annual contractNo equipment fees

AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101. AT&T Internet Air: AT&T Internet Air not available in all areas. In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a minimum of 30 min.

Pair it with wireless in an internet + wireless bundle. Run a business in the 279? AT&T Business Internet is available at many addresses.

Family streaming together on AT&T home internet
Fiber install day in the 279Check your address ›

Moving to Area Code 279?

Set up home internet in area code 279 before the boxes arrive, and find your new community in the table above or check your exact address below.

Your number moves with you: port your 279 number from anywhere, or keep your old number when you arrive. An AT&T store nearby can handle the whole switch in one visit.

1 · Check your addressSee Fiber or Internet Air availability in seconds.
2 · Schedule for move-in dayInstall lined up before the boxes arrive.
3 · Keep your numberYour mobile number ports; your internet moves.
Couple setting up internet on a laptop among moving boxes
Get set up before move-in dayPlan your move ›

AT&T Wireless in Area Code 279

AT&T’s 5G network covers most of area code 279. ActiveArmor® spam blocking is included with every unlimited plan, your 279 number stays yours, and great cell phone deals in Sacramento are a tap away.

5G across the 279ActiveArmor® includedKeep your 279 number

AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.

Need a new 279 number? Ask when you activate a line: the 279 shares its territory with 916, so new lines may draw one of those codes, and porting an existing 279 number keeps it yours.

See the AT&T wireless coverage map for the 279 ›

Woman smiling at her phone on an Sacramento street
Stay connected across SacramentoShop wireless plans ›

AT&T Stores in Area Code 279

Looking for cell phone stores in area code 279? These stores serve the 279 area — walk in for switching, porting, upgrades and hands-on help. (The 279 is new enough that most local stores still answer on longer-established numbers.)

Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.

AT&T store employee helping a customer with her phone
Real help from real people in SacramentoFind your store ›

All AT&T Stores Serving the 279 Area

Every AT&T store serving the 279’s communities. Tap any number to call.

34 AT&T locations serving the 279 area
CityStorePhone
AtascaderoAT&T Store Atascadero+1 805-461-6400
AuburnAT&T Store Auburn+1 530-823-8600
BrentwoodAT&T Store Streets Of Brentwood Store+1 925-271-1977
ChicoAT&T Store Store 18+1 530-999-6312
ChicoAT&T Store Chico+1 530-895-8195
Citrus HeightsAT&T Store Store 200+1 916-830-3510
Citrus HeightsAT&T Store Citrus Heights+1 916-560-3268
El Dorado HillsAT&T Store El Dorado Hills+1 916-358-5538
Elk GroveAT&T Store Elk Grove+1 916-823-3233
Elk GroveAT&T Store Laguna Gateway Store 655+1 916-830-3502
Fair OaksAT&T Store Fair Oaks+1 916-229-9588
FolsomAT&T Store Prairie City+1 916-500-0911
FolsomAT&T Store Palladio+1 916-830-3512
GaltAT&T Store Galt+1 209-745-4444
LincolnAT&T Store Ferrari Ranch Road+1 916-408-0950
MarysvilleAT&T Store Marysville+1 530-742-1010
Rancho CordovaAT&T Store Rancho Cordova+1 916-859-0470
RocklinAT&T Store Rocklin+1 916-623-4388
RosevilleAT&T Store Creekside Store 761+1 916-830-3506
RosevilleAT&T Store Store 178+1 916-830-3504
RosevilleAT&T Store Stanford Ranch Road+1 916-780-5585
SacramentoAT&T Store Meadowview+1 916-429-4100
SacramentoAT&T Store Market Square Store+1 916-830-3500
SacramentoAT&T Store University Village+1 916-830-3508
SacramentoAT&T Store Del Paso+1 916-418-4042
SacramentoAT&T Store Alhambra+1 916-732-9024
SacramentoAT&T Store Arden Creek+1 279-356-0058
SacramentoAT&T Store Natomas Marketplace+1 916-830-3498
SacramentoAT&T Store Freeport+1 916-942-9662
SacramentoAT&T Store Madison+1 916-338-6170
SacramentoAT&T Store Sfc Store+1 916-393-2168
SacramentoAT&T Store Delta Shores+1 916-905-1926
West SacramentoAT&T Store West Sacramento+1 916-249-9555
Yuba CityAT&T Store Store 48+1 530-999-6310

International Calling from Area Code 279

Calling abroad from area code 279? AT&T International Calling adds discounted or unlimited rates to 200+ countries on top of your existing plan, and unlimited texting from the U.S. to 200+ destinations is already included on AT&T unlimited plans.

Where the 279 calls most:MexicoPhilippinesChinaIndiaVietnam

Top places of birth among foreign-born residents of the 279’s counties, U.S. Census Bureau ACS 2023.

Calling abroad from a 279 number: dial 011 + country code + number (or just + on a mobile). Traveling abroad instead? International Day Pass® takes your talk, text and data with you for a flat daily rate.

International Calling and International Day Pass® availability, rates and included destinations vary by plan; see att.com for the current country list.

Father and son waving during a video call with family abroad
Sacramento calls the worldSee international plans ›

279 Area Code Quick Facts & Dialing

Time zonePacific
Overlays916share this territory
Established2018added to the 916 region
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population3.03Mcounties served, Census 2023

How to dial a 279 number

ScenarioFormatExample
Local call (within the region)279 + 7-digit number(279) 555-0100
Long distance (within the U.S.)1 + 279 + 7-digit number1 (279) 555-0100
Calling 279 from another country+1 279 + 7-digit number+1 279 555 0100
From a mobile phone(279) + 7-digit number(279) 555-0100

A Short History of Area Code 279

Added in 2018 to the 916 region, the 279 serves Sacramento and surrounding communities. No splits or overlays have divided its territory since.

2018Added to the 916 region

In service since 2018. Today the 279’s territory is shared with overlay code 916, so ten-digit dialing is required.

Nearby & Related Area Codes

Browse area codes by state: California (41) · Texas (29) · Florida (23) · all 50 states ›

Area Code 279 FAQ

What area code is 279?
279 is the area code for Sacramento, California and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 279?
Area code 279 serves Sacramento, California and nearby communities including Antelope, Atascadero, Auburn. The full city list is in the cities table above.
Why did I get a text message from a 279 number?
The most common 279 text scam opens like a wrong number (“u at home?”, “are you busy tomorrow?”) and tries to move you to WhatsApp. Don’t reply. Forward the text to 7726 (SPAM) and delete it. AT&T ActiveArmor® filters known scam senders automatically.
Who called me from area code 279?
A 279 number usually means Sacramento or a nearby community, but spoofing is common. This page’s prefix lookup isn’t a reverse phone lookup — it can’t name the caller, but it shows the carrier, line type and community a number was issued to, which is often enough to judge a call.
What time zone is area code 279?
Pacific time. The live local time is shown at the top of this page.
Why am I getting calls from 279 numbers?
279 is an active, legitimate California area code, but scammers spoof local numbers because people answer them. If there’s no voicemail, let it go. AT&T ActiveArmor® blocks and labels spam automatically, and you can report unwanted calls at reportfraud.ftc.gov. The spam report board above shows which 279 prefixes are drawing complaints right now.
Is 279 a toll-free number?
No. 279 is a geographic area code tied to Sacramento, California. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 279 and 916?
Nothing on the map: 279 is an overlay of 916, covering the same Sacramento area. Calls between them are local; only the three digits at the front differ.
Which cities use area code 279?
The largest communities include Antelope, Auburn, Cameron Park, Carmichael, Citrus Heights. The full list is in the cities table above.
Does AT&T offer service in the 279?
Yes: home internet, wireless and retail stores across the 279. Availability is checked address by address.
Can I still get a 279 number?
Yes. Carriers in Sacramento and across the 279 still issue 279 numbers on new lines, and you can port an existing 279 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 279 number if I move?
Yes. Phone numbers are portable: your 279 number can move with you anywhere in the U.S., whether you stay with your carrier or switch.
Sources: city and store data from AT&T records; prefix and carrier assignments from the public numbering registry (pulled July 2026). Facts regenerate monthly.
Check AT&T availability at your address
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