North Carolina · Eastern Time  Updated July 2026

Area Code 743

Greensboro and surrounding communities

Area code 743 serves Greensboro, North Carolina and communities including Advance, Ararat, Archdale 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 743 number? The code is legit, but spoofing is common. Look up the prefix ›
Largest cityGreensboro
Local time1:20 AM ET
Nearby336 · 704 · 980
Since2016
Call now?Late in Greensboro. Consider texting

Who Called Me from Area Code 743?

Quick answerA 743 call usually comes from Greensboro 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 743 prefixes, right on this page.
  • Curious who issued a number? Every 743 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 743 prefixes this month
PrefixReported patternReport volume
(743) 286-XXXXRobocall-heavy
(743) 212-XXXXRobocall-heavy
(743) 208-XXXXRobocall-heavy
(743) 228-XXXXRobocall-heavy
(743) 300-XXXXRobocall-heavy

200 unwanted-call reports naming 743 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.

Block spam calls in the 743, 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 743 a Scam?

No. 743 is a legitimate Greensboro area code.

It’s added to the 336 region in 2016 and serves Greensboro 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 336 region in 2016; 158 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 743 numbers

The most common area code 743 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 743

Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 743 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 743 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 743 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.

743 Area Code Prefix & Carrier Lookup

The three digits after the area code identify the carrier a number was issued to. All 158 assigned 743 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 743 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.

158 prefixes · updated monthly
PrefixCarrierLine type
743-200Onvoy (Sinch)VoIP
743-201Lumen (Level 3)VoIP
743-202Verizon WirelessWireless
743-203Bandwidth.comVoIP
743-205Bandwidth.comVoIP
743-206Spectrum (TWC IP)Landline
743-207Verizon WirelessWireless
743-208VonageVoIP
743-209Csc WirelessWireless
743-210Metro by T-Mobile (MetroPCS)Wireless
743-212Bandwidth.comVoIP
743-213Bandwidth.comVoIP
743-214T-MobileWireless
743-215Bandwidth.comVoIP
743-216Verizon WirelessWireless
743-217Skye Telecom LLC dba SkyetelLandline
743-218Metro by T-Mobile (MetroPCS)Wireless
743-219AT&T MobilityWireless
743-220Verizon WirelessWireless
743-221Bandwidth.comVoIP
743-222Terra Nova TelecomLandline
743-223North State Communications Advanced SvcsLandline
743-224T-MobileWireless
743-225Onvoy Spectrum (Sinch)VoIP
743-226Onvoy (Sinch)VoIP
743-227Spectrum (TWC IP)Landline
743-228Onvoy (Sinch)VoIP
743-229Exiant CommunicationsLandline
743-230Ip HorizonLandline
743-231Onvoy Spectrum (Sinch)VoIP
743-232Metro by T-Mobile (MetroPCS)Wireless
743-233Bandwidth.comVoIP
743-234FracTELLandline
743-235NusoLandline
743-236Verizon WirelessWireless
743-237Onvoy Spectrum (Sinch)VoIP
743-238T-MobileWireless
743-239Metro by T-Mobile (MetroPCS)Wireless
743-240Metro by T-Mobile (MetroPCS)Wireless
743-241AT&T (Teleport Communications)Landline
743-242Boost MobileLandline
743-243Spectrum (TWC IP)Landline
743-244Verizon WirelessWireless
743-245Boost MobileLandline
743-246Spectrum (TWC IP)Landline
743-247Spectrum (Charter IP)Landline
743-248Verizon WirelessWireless
743-249Windstream (Paetec)Landline
743-250Metro by T-Mobile (MetroPCS)Wireless
743-251Bandwidth.comVoIP
743-252Lumen (Level 3)VoIP
743-253Lumen (Level 3)VoIP
743-254AT&T MobilityWireless
743-255T-MobileWireless
743-256Verizon WirelessWireless
743-257NusoLandline
743-258Comcast (Xfinity Voice)VoIP
743-259Bandwidth.comVoIP
743-260Onvoy (Sinch)VoIP
743-261Verizon WirelessWireless
743-262AT&T MobilityWireless
743-263Onvoy (Sinch)VoIP
743-264Onvoy (Sinch)VoIP
743-265CommioLandline
743-266CommioLandline
743-267Verizon WirelessWireless
743-268T-MobileWireless
743-269Verizon WirelessWireless
743-270Onvoy (Sinch)VoIP
743-271Onvoy (Sinch)VoIP
743-272Onvoy (Sinch)VoIP
743-273Onvoy (Sinch)VoIP
743-274Onvoy (Sinch)VoIP
743-275T-MobileWireless
743-277Spectrum (Charter IP)Landline
743-278Onvoy (Sinch)VoIP
743-279Onvoy (Sinch)VoIP
743-280Onvoy (Sinch)VoIP
743-281Five9Landline
743-282Five9Landline
743-283Spectrum (TWC IP)Landline
743-284Verizon WirelessWireless
743-285T-MobileWireless
743-286Hd CarrierLandline
743-287Leap TelecomLandline
743-288Boost MobileLandline
743-289WavenationLandline
743-290Onvoy (Sinch)VoIP
743-291Verizon WirelessWireless
743-292Onvoy (Sinch)VoIP
743-296Onvoy Spectrum (Sinch)VoIP
743-300FracTELLandline
743-322Ton80 CommunicationsLandline
743-330Skye Telecom LLC dba SkyetelLandline
743-333Onvoy (Sinch)VoIP
743-334Onvoy (Sinch)VoIP
743-336Metro by T-Mobile (MetroPCS)Wireless
743-337Onvoy (Sinch)VoIP
743-342Ton80 CommunicationsLandline
743-343Onvoy Spectrum (Sinch)VoIP
743-344Onvoy (Sinch)VoIP
743-345FracTELLandline
743-347Onvoy (Sinch)VoIP
743-353Ton80 CommunicationsLandline
743-356FracTELLandline
743-369Onvoy Spectrum (Sinch)VoIP
743-373Onvoy (Sinch)VoIP
743-374Ton80 CommunicationsLandline
743-393Onvoy (Sinch)VoIP
743-400FracTELLandline
743-413Wide VoiceLandline
743-433Skye Telecom LLC dba SkyetelLandline
743-437Onvoy (Sinch)VoIP
743-439Ton80 CommunicationsLandline
743-444TelnyxLandline
743-465FracTELLandline
743-473Onvoy (Sinch)VoIP
743-500Onvoy (Sinch)VoIP
743-529FracTELLandline
743-542Ton80 CommunicationsLandline
743-557Ton80 CommunicationsLandline
743-583Ton80 CommunicationsLandline
743-586Ton80 CommunicationsLandline
743-600FracTELLandline
743-625Ton80 CommunicationsLandline
743-626Ton80 CommunicationsLandline
743-636Ton80 CommunicationsLandline
743-637Onvoy (Sinch)VoIP
743-642Ton80 CommunicationsLandline
743-643Hd CarrierLandline
743-647Ton80 CommunicationsLandline
743-649Ton80 CommunicationsLandline
743-666FracTELLandline
743-727Ton80 CommunicationsLandline
743-730Onvoy (Sinch)VoIP
743-734Onvoy (Sinch)VoIP
743-740Onvoy (Sinch)VoIP
743-746Ton80 CommunicationsLandline
743-762Ton80 CommunicationsLandline
743-766FracTELLandline
743-767Onvoy (Sinch)VoIP
743-770CommioLandline
743-774Onvoy (Sinch)VoIP
743-777TelnyxLandline
743-795Ton80 CommunicationsLandline
743-800Onvoy (Sinch)VoIP
743-832Ton80 CommunicationsLandline
743-837Ton80 CommunicationsLandline
743-867CommioLandline
743-887Onvoy Spectrum (Sinch)VoIP
743-888Peerless NetworkVoIP
743-895TwilioVoIP
743-900FracTELLandline
743-901Onvoy Spectrum (Sinch)VoIP
743-902Onvoy Spectrum (Sinch)VoIP
743-910Onvoy (Sinch)VoIP
743-962Bandwidth.comVoIP
743-999Peerless NetworkVoIP

Line type reflects the registry assignment; ported numbers can differ. Unknown 743 number calling? ActiveArmor® screens it before you ever look it up.

Cities & Communities in and around Area Code 743

Communities the 743 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
Advance27006, 27012, 27295Internet Air
Archdale27263, 27260, 27268Check address
Asheboro27203, 27205, 27248Internet Air
Boonville27011, 28621, 28642Internet Air
Burlington27201, 27215, 27258Fiber up to 5 GIG
Clemmons27012, 27103, 27104Fiber up to 5 GIG
Danbury27016, 27022, 27052Internet Air
Denton27239Internet Air
Dobson27017, 27007Internet Air
East Bend27018, 27050, 27040Internet Air
Eden27288, 24069Internet Air
Elkin28642, 28621, 28676Internet Air
Elon27201, 27215, 27202Fiber up to 5 GIG
Franklinville27248, 27316, 27203Internet Air
Germanton27019, 27045, 27051Internet Air
Gibsonville27249, 27342, 27377Internet Air
Glen Raven27202, 27201, 27244Fiber up to 5 GIG
Graham27258, 27201, 27253Fiber 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.

743 Area Code Map

Area code 743 serves Greensboro and nearby communities in NC.

Map of area code 743 coverage in North Carolina↓  Printable PDF

Open the printable 743 map (PDF) · All North Carolina area codes · Home internet in Greensboro

Counties Covered by the 743 Area Code

Guilford County
Share of combined population22%
Population541,299
Largest 743 cityGreensboro
Forsyth County
Share of combined population15%
Population382,590
Largest 743 cityClemmons
Durham County
Share of combined population13%
Population324,833
Largest 743 cityRougemont
Iredell County
Share of combined population7%
Population186,693
Largest 743 cityHarmony

Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 743 also reaches parts of Alamance County, Davidson County, Rowan County, Randolph County, Rockingham County, Chatham County, Surry County, Stokes County and 5 more.

The 743, explained

Area Code 743: More Than a Number in Greensboro

In Greensboro, the 743 is more than digits on a caller ID. It arrived in 2016, layered onto the 336 region, and it has meant Greensboro and surrounding communities ever since — 158 carrier prefixes keep its lines busy today, and an established 743 number still says you’ve been here a while.

The map tells its own story: Greensboro and surrounding communities, with 336 sharing the same streets today. Several codes, one local calling area, no long-distance between any of them — only the 743 came first.

Keeping a 743 matters here. An existing 743 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 336 instead — one more reason locals hold on to theirs.

Need a new local number? Shop plans Keep your 743: bring it to AT&T

Internet, wireless & stores in the 743

AT&T Home Internet in Area Code 743

AT&T home internet serves communities across area code 743, 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 743? AT&T Business Internet is available at many addresses.

Family streaming together on AT&T home internet
Fiber install day in the 743Check your address ›

Moving to Area Code 743?

Set up home internet in area code 743 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 743 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 743

AT&T’s 5G network covers most of area code 743. ActiveArmor® spam blocking is included with every unlimited plan, your 743 number stays yours, and great cell phone deals in Greensboro are a tap away.

5G across the 743ActiveArmor® includedKeep your 743 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 743 number? Ask when you activate a line: the 743 shares its territory with 336, so new lines may draw one of those codes, and porting an existing 743 number keeps it yours.

See the AT&T wireless coverage map for the 743 ›

Woman smiling at her phone on an Greensboro street
Stay connected across GreensboroShop wireless plans ›

AT&T Stores in Area Code 743

Looking for cell phone stores in area code 743? These stores serve the 743 area — walk in for switching, porting, upgrades and hands-on help. (The 743 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 GreensboroFind your store ›

All AT&T Stores Serving the 743 Area

Every AT&T store serving the 743’s communities. Tap any number to call.

25 AT&T locations serving the 743 area

International Calling from Area Code 743

Calling abroad from area code 743? 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 743 calls most:MexicoIndiaHondurasEl SalvadorGuatemala

Top places of birth among foreign-born residents of the 743’s counties, U.S. Census Bureau ACS 2023.

Calling abroad from a 743 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
Greensboro calls the worldSee international plans ›

743 Area Code Quick Facts & Dialing

Time zoneEastern
Overlays336share this territory
Established2016added to the 336 region
Dialing10 digitsrequired
Toll-free?Nogeographic code
Population2.5Mcounties served, Census 2023

How to dial a 743 number

ScenarioFormatExample
Local call (within the region)743 + 7-digit number(743) 555-0100
Long distance (within the U.S.)1 + 743 + 7-digit number1 (743) 555-0100
Calling 743 from another country+1 743 + 7-digit number+1 743 555 0100
From a mobile phone(743) + 7-digit number(743) 555-0100

A Short History of Area Code 743

Added in 2016 to the 336 region, the 743 serves Greensboro and surrounding communities. No splits or overlays have divided its territory since.

2016Added to the 336 region

In service since 2016. Today the 743’s territory is shared with overlay code 336, so ten-digit dialing is required.

Nearby & Related Area Codes

Browse area codes by state: North Carolina (10) · California (41) · Texas (29) · Florida (23) · all 50 states ›

Area Code 743 FAQ

What area code is 743?
743 is the area code for Greensboro, North Carolina and the surrounding communities. It appears at the front of every local 10-digit phone number in the area.
Where is area code 743?
Area code 743 serves Greensboro, North Carolina and nearby communities including Advance, Ararat, Archdale. The full city list is in the cities table above.
Why did I get a text message from a 743 number?
The most common 743 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 743?
A 743 number usually means Greensboro 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 743?
Eastern time. The live local time is shown at the top of this page.
Why am I getting calls from 743 numbers?
743 is an active, legitimate North Carolina 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 743 prefixes are drawing complaints right now.
Is 743 a toll-free number?
No. 743 is a geographic area code tied to Greensboro, North Carolina. Toll-free calls come from 800, 833, 844, 855, 866, 877 and 888 numbers.
What’s the difference between 743 and 336?
Nothing on the map: 743 is an overlay of 336, covering the same Greensboro area. Calls between them are local; only the three digits at the front differ.
Which cities use area code 743?
The largest communities include Advance, Archdale, Asheboro, Boonville, Burlington. The full list is in the cities table above.
Does AT&T offer service in the 743?
Yes: home internet, wireless and retail stores across the 743. Availability is checked address by address.
Can I still get a 743 number?
Yes. Carriers in Greensboro and across the 743 still issue 743 numbers on new lines, and you can port an existing 743 number to any carrier. Newer lines in the same area may also receive numbers from an overlay code.
Can I keep my 743 number if I move?
Yes. Phone numbers are portable: your 743 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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