Tennessee · Eastern Time  Updated August 2026

Area Code 729

Chattanooga and surrounding communities

Area code 729 is Chattanooga’s newest overlay. It went live in September 2025 across the same territory as 423, from Afton, Apison, Athens and beyond. New numbers are only starting to be issued, so a 729 caller ID is still rare: this guide covers what the code is, who might be calling, and what it means for your own number.

Getting calls from a 729 number? The code is legit, but spoofing is common. Look up the prefix ›
Largest cityChattanooga
Local time8:20 PM ET
Shares territory with423
Since2025
Good time to call?Good time to call back
Who called me?

Prefix info and spam patterns.

Is this a scam?

Verdict, current patterns, and free blocking.

Cities & ZIP codes

Every city in the 729, with ZIPs and internet type.

Coverage map

Exactly where area code 729 reaches.

Get a 729 number

New lines, porting, keeping your number.

AT&T in the 729

Home internet, wireless, stores and moving help.

Who called me from area code 729?

Quick answerA real 729 call comes from Chattanooga or nearby communities, but 729 numbers are brand new and still rare, so treat an unfamiliar one with extra care: caller ID can be spoofed. 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 prefixes from the region, right on this page.
  • Curious who issued a number? Every assigned prefix belongs to a carrier - the registry will name each 729 prefix as it comes into service.

No 729 spam patterns have been reported yet: the code is too new. Spoofers imitate the established local codes first, so the current patterns below come from the 423 board.

Most-reported 423-region prefixes this monthReviewed August 2026
PrefixReported patternReport volume
(423) 627-XXXXRobocall-heavy21
(423) 621-XXXXRobocall-heavy14
(423) 458-XXXXLive callers + robocalls13
(423) 475-XXXXRobocall-heavy13
(423) 481-XXXXRobocall-heavy12

607 unwanted-call reports naming 729 numbers in FTC Do Not Call complaint data, July 29 – August 13, 2026. Consumer-reported and unverified.

Block spam calls from area code 729 with AT&T ActiveArmor®

Network-level security that screens the calls this page is about - included with AT&T wireless plans:

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

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.

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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 729 a scam?

No. 729 is a legitimate Chattanooga area code.

It went live in September 2025 as the newest layer over the Chattanooga region, serving the exact same territory as 423. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.

The code is realLive since September 2025; carrier prefixes are only beginning to roll out, so 729 numbers are still rare.
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 729 numbers

The most common area code 729 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 729

Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 729 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 729 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 729 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.

729 area code prefix & carrier lookup

The three digits after the area code identify the carrier a number was issued to. 729 is so new that few or no carrier prefixes are in service yet: the registry below shows the standard service codes every area code reserves. Carrier prefixes will appear here as numbers ship; the guide 423 board shows what a mature registry for this region looks like.

This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a prefix does show, once assigned: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to.

0 carrier prefixes in the registry yet · checked monthly

PrefixAssignmentLine type
729-211Community servicesService code
729-311City servicesService code
729-411Directory assistanceService code
729-511Traffic informationService code
729-555Reserved (directory / fictional use)Service code
729-611Carrier customer serviceService code
729-700Carrier-specific servicesService code
729-711Telecommunications relayService code
729-811Call before you digService code
729-911Emergency servicesService code
729-950Carrier access (reserved)Service code
729-958Network testing (reserved)Service code
729-959Network testing (reserved)Service code
729-976Premium services (reserved)Service code

Cities & Communities in and around Area Code 729

From Apison to Athens and Bean Station, these are the communities that call the 729 home. Each city below shows its key ZIP codes, the internet service available there, and a link to local AT&T details.

City / communityKey ZIP codesAT&T internet
Apison37302, 37315, 30710Fiber up to 1 GIG
Athens37303, 37826Fiber up to 5 GIG
Bean Station37708, 37811, 37881AT&T Internet Air
Benton37307, 37325, 37361AT&T Internet Air
Blountville37617, 37686AT&T Internet Air
Bluff City37618, 37686, 37694AT&T Internet Air
Briceville37769, 37714, 37716Check address
Bristol24201, 24202, 37618AT&T Internet Air
Bulls Gap37711, 37891, 37860AT&T Internet Air
Calhoun37309, 37310, 37370AT&T Internet Air
Caryville37757, 37714, 37769AT&T Internet Air
Charleston37309, 37310, 37370AT&T Internet Air
Chattanooga37406, 37351, 37403Fiber up to 5 GIG
Church Hill37642, 37645, 37873AT&T Internet Air
Cleveland37312, 37311, 37323Fiber up to 5 GIG
College DaleFiber up to 5 GIG
Cosby37722AT&T Internet Air
Cumberland Gap40965, 37724, 37752AT&T Internet Air

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.

729 area code map

Coverage area

Area code 729 covers the Chattanooga area: Bledsoe, Bradley, Campbell, Carter, Claiborne, Cocke, Greene, Hamblen and 16 more counties. Hover the map for each one.

Overlay codes

One more code, 423, covers the exact same territory as 729. Its full guide is linked in the Nearby section below.

Major cities

Chattanooga, Johnson City, Kingsport, Cleveland, Morristown, Bristol.

Where 729 sits in TennesseeAll 8 codes ›
729

Your code is the blue pill. Hover any neighbor to see its code; tap to open it.

ChattanoogaJohnson CityKingsportClevelandMorristownBristol
729
Chattanooga
Take the map with youPrintable one-page map of the 729 region with cities and county lines, plus a QR code back to this page.↓  Download the printable PDF

Counties covered by the 729 area code

The 729 area code serves 24 counties in Tennessee - the largest by population below.

Hamilton County
Share of combined population26%
Population386,256
Sullivan County
Share of combined population11%
Population162,703
Washington County
Share of combined population9%
Population139,642
Bradley County
Share of combined population8%
Population113,782

All 24 counties: Bledsoe, Bradley, Campbell, Carter, Claiborne, Cocke, Greene, Hamblen, Hamilton, Hancock, Hawkins, Johnson, Marion, McMinn, Meigs, Monroe, Morgan, Polk, Rhea, Scott, Sequatchie, Sullivan, Unicoi, Washington.

Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 729 also reaches parts of Bradley County, Anderson County, Greene County, Hamblen County, Hawkins County, Carter County, Loudon County, McMinn County and 16 more.

The 729, explained

Area code 729: more than a number in Chattanooga

In Chattanooga, a new area code is a population milestone. The 729 went live in September 2025, the second code layered over the same territory as 423, and the clearest sign yet of how the region keeps growing. Carrying one today marks you as one of the area’s newest arrivals: the numbers are only beginning to ship.

The map tells its own story: Chattanooga and surrounding communities, one territory now served by 423 together with 729. Nothing about the coverage changes; the region simply has a deeper pool of numbers.

Keeping a 729 matters here. An existing 729 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S.

Need a new local number? Shop plans Keep your 729: bring it to AT&T
AT&T in the 729

Internet, wireless & stores in the 729

AT&T home internet in area code 729

AT&T home internet serves communities across area code 729, 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 729? AT&T Business Internet is available at many addresses.

Family streaming together on AT&T home internet
Fiber install day in the 729Check your address ›

Moving to area code 729?

Set up home internet in area code 729 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 729 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 AT&T 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 729

AT&T’s 5G network covers most of area code 729. ActiveArmor® spam blocking is included with every unlimited plan, your 729 number stays yours, and great cell phone deals in Chattanooga are a tap away.

5G across the 729ActiveArmor® includedKeep your 729 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 729 number? Ask when you activate a line, and porting an existing 729 number keeps it yours.

See the AT&T wireless coverage map for the 729 ›

Woman smiling at her phone on an Chattanooga street
Stay connected across ChattanoogaShop wireless plans ›

Get a 729 phone number

New 729 numbers are issued as existing numbers recycle back into the pool. When you activate a new line, personal or business, you can pick your area code during activation. Already have one you love? Porting protects it when you switch.

For you

Pick a 729 during new-line activation - in the app or in a store. Moving to Chattanooga? Port your number in, or start fresh with a local one.

Shop AT&T wireless plans ›

For your business

A 729 number on your signage and caller ID reads as established in Chattanooga - and local numbers see higher answer rates than out-of-area or toll-free lines.

Explore Business wireless ›

AT&T stores in area code 729

Looking for cell phone stores in area code 729? These stores answer on 729 numbers - walk in for switching, porting, upgrades and hands-on help:

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 ChattanoogaFind your store ›

All AT&T stores in the 729 region

Every store below answers on a local 423-region number. Tap any number to call.

18 AT&T stores with 729 numbers

International Calling from Area Code 729

Calling abroad from area code 729? 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.

Calling area code 729 from overseas? Dial your country’s exit code, then 1 729 and the number - full steps in How to dial a 729 number.

Where the 729 calls most:MexicoGuatemalaHondurasIndiaVenezuela

Top places of birth among foreign-born residents of the 729’s counties, U.S. Census Bureau ACS 2023.

Calling abroad from a 729 number: dial 011 + country code + number (or just + on a mobile).

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

Traveling abroad instead? International Day Pass® takes your AT&T wireless talk, text and data with you for a flat daily rate. Not an AT&T wireless customer yet? Try AT&T Wireless free for 30 days.

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

729 area code quick facts & dialing

Time zoneEastern
Overlays423same map, same region
In service2025newest layer over the 423 region
Dialing10 digitsrequired across the region
Toll-free?Nogeographic code
Population1.72Mcounties served, Census 2023

How to dial a 729 number

ScenarioFormatExample
Local call (within the region)729 + 7-digit number(729) 555-0100
Long distance (within the U.S.)1 + 729 + 7-digit number1 (729) 555-0100
Calling 729 from another country+1 729 + 7-digit number+1 729 555 0100
From a mobile phone(729) + 7-digit number(729) 555-0100

A short history of area code 729

Approved as numbering relief for the 423 region and live since September 2025, 729 is the second code to serve this territory. It exists for one reason: the region keeps growing, and the 423 pool of assignable numbers was running low.

1995Added to the 615 region
1999Territory split off as 865
2025729 goes live as an overlay in September

Area code 729 vs the related codes

CodeAddedTypeWhere it works
7292025OverlayChattanooga and surrounding communities
4231995OriginalSame territory as 729

Same rates, same local dialing: a number from any code in the region works exactly like a 729.

Nearby & related area codes

Browse area codes by state: Tennessee (8) · California (41) · Texas (29) · Florida (23) · all 50 states ›

Area code 729 FAQ

What area code is 729?
729 is the newest area code for Chattanooga and the surrounding communities in Tennessee. It went live in September 2025 and covers the exact same territory as 423.
Is area code 729 real or a scam?
729 is a legitimate Tennessee area code, but it is brand new and numbers are still rare. If you get a 729 call today and you don’t know anyone with a new local number, be cautious: spoofing a new code is a known scam tactic. AT&T ActiveArmor labels suspected spam automatically.
Why did the 423 region get another area code?
Growth. The 423 pool was projected to run out of assignable numbers, so regulators approved 729 as an all-services overlay. Nothing changes for existing numbers; new lines simply start drawing from the new code.
Does 729 change my existing number?
No. Overlays never change existing numbers. Your 423 number stays exactly as it is; 729 only affects newly issued numbers.
How do I get a 729 number?
You don’t choose it directly: carriers assign numbers from whichever local code has inventory. As the older pool empties, new AT&T lines in the region will increasingly come with 729. There is no fee or action needed.
What area does 729 cover?
The full 423 territory: Bledsoe, Bradley, Campbell, Carter, Claiborne and Cocke and 18 more counties, including Afton, Apison, Athens and the communities listed on this page.
When did 729 go live?
September 2025. It was approved as relief for the 423 numbering region, and carriers began activating it then. Numbers are still being issued gradually.
What time zone is area code 729?
Eastern Time: UTC-5 in winter, UTC-4 during daylight saving. The live local time is at the top of this page.
How do I dial a 729 number?
Dial all 10 digits: 729 plus the seven-digit number, the same as every code in the region. From outside the U.S., add the +1 country code first.
Why did I get a call from a 729 number?
Either someone with a brand-new local number, or a spoofed caller ID. Because 729 numbers are still scarce, an unfamiliar 729 call deserves more suspicion than a 423 call. Let it go to voicemail; real callers leave messages.
Is 729 a toll-free number?
No. 729 is a geographic area code for the Chattanooga region, not a toll-free prefix. U.S. toll-free numbers start with 800, 888, 877, 866, 855, 844 or 833.
What’s the difference between 729 and 423?
Age, and nothing else that matters day to day. 423 is the region’s established code; 729 is the 2025 newcomer. They cover the same map, calls between them are local, and both dial with 10 digits.
Can I keep a 729 number if I move?
Yes. Numbers port: a 729 number goes with you to a new phone, a new carrier or a new city anywhere in the U.S., just like any other area code.
Why did I get a text message from a 729 number?
Treat it carefully. Scam texts often rotate onto new codes because the numbers have no reputation yet. Don’t reply or tap links; forward the text to 7726 (SPAM) and delete it. AT&T ActiveArmor filters known scam senders automatically.
Will a 729 number work everywhere?
Yes. It’s a standard North American number: calls, texts and apps treat it like any local number. Some older web forms may not recognize very new codes at first; that resolves as databases update.
Sources: city and store data from AT&T records; prefix and carrier assignments from the public numbering registry (pulled July 2026). Facts regenerate monthly.
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