743 Area Code: Greensboro, North Carolina
Area code 743 serves Greensboro, Winston-Salem and Burlington, North Carolina in the Eastern time zone, in service since 2016. Consumers have filed 1,065 unwanted-call complaints against 1,010 different 743 numbers, 244 of them with the FTC in the last 30 days. Look up the exact number that called you below.
Area code 743 at a glance
- State
- North Carolina
- Main cities
- Greensboro, Winston-Salem, Burlington, Lexington, Asheboro, Summerfield + 60 more
- Counties
- Guilford County, Forsyth County, Alamance County, Randolph County + 11 more
- Local time
- —Eastern
- In service since
- May 23, 2016
- Overlay of
- 336
- Local dialing
- 10 digits (area code + number)
- Exchanges
- 66 rate centers, 162 prefixes
Sources: NANPA area code and central office code records (refreshed weekly); cities and counties matched from US Census Bureau and USGS place names.
Reported 743 numbers
No single 743 number has enough complaints yet for a full report page, so none are listed. Look up the exact number that called you: the lookup works on every US number, whether or not it has complaint history.
What calls from 743 numbers are about
797 FTC Do Not Call complaints about 743 numbers since Jul 24. The most common named subject is debt-relief pitches, at 45% of complaints (93% of those were recorded messages). Overall, 80% of callers who answered said the call was a robocall.
FTC complaint subjects
- Debt reduction36145%
- Other / unspecified26133%
- No subject given537%
- Impostor (government, business, family)456%
- Dropped call / no message294%
- Medical & prescriptions273%
- Warranties & protection plans71%
FCC complaints by call type, last 2 years
- Prerecorded Voice4960%
- Live Voice2733%
- Text Message67%
Live-voice calls are from a person; prerecorded calls are robocalls.
When 743 spam calls come in
32% of complaints that give a call time describe calls between 10am and 1pm. 92% came Monday to Friday, most on Wednesdays, the pattern of call-center robocall campaigns that run on business hours. Times are as consumers reported them to the FTC.
By hour of the day
By day of the week
Is it getting worse?
241 FTC complaints about 743 numbers in the last four weeks, down 10% on the four weeks before. FCC complaints about 743 numbers peaked in 2024 (49); the FTC's daily Do Not Call data has carried most of the volume since mid-2026.
FTC complaints per week
FCC complaints per year
Years shown as '15 to '26; the current year is partial.
Who gets these calls
Only 25% of the FTC complaints about 743 numbers came from North Carolina residents; the most came from Florida, California and Texas. 743 numbers are being used for nationwide campaigns, so the area code says little about where the caller is.
Where complainants live
- North Carolina20325%
- Florida8411%
- California628%
- Texas527%
- New York344%
Likely campaigns using 743 numbers
Groups of numbers that drew the same FTC complaint in the same pattern over the last 60 days. The grouping is statistical and doesn't identify who is calling.
Busiest 743 prefixes this month
FTC complaints in the last 30 days, grouped by the first six digits. When one prefix collects complaints about many different numbers, a campaign is usually cycling through that block. The carrier is who NANPA assigned the prefix to, not who made the calls.
| Prefix | Complaints | Numbers | Carrier | Exchange |
|---|---|---|---|---|
| (743) 286-xxxxcampaign | 88 | 86 | Hd Carrier LLC | Greensboro |
| (743) 203-xxxx | 17 | 17 | Bandwidth.com | Summerfield |
| (743) 235-xxxx | 9 | 8 | Nuso, LLC | Greensboro |
| (743) 465-xxxx | 8 | 8 | Fractel, LLC | Kimesville |
| (743) 643-xxxx | 8 | 8 | Hd Carrier LLC | Greensboro |
Carriers operating in 743
NANPA has assigned 162 743 prefixes (NPA-NXX central-office codes) across 66 rate centers: 21% to wireless carriers, 78% to landline and VoIP operators; 100% are pooled blocks shared by several carriers. 11 prefixes were assigned in the last 12 months (newest 2026-10-20). The carrier holding a prefix is who the number was issued through. It says nothing about who is calling, since caller ID is routinely spoofed.
| Carrier | Type | Prefixes | Rate centers | Newest assignment |
|---|---|---|---|---|
| Onvoy (Sinch) | Competitive / VoIP (CLEC) | 38(23%) | 27 | 2026-10-20 |
| Ton80 Communications, LLC | Competitive / VoIP (CLEC) | 21(13%) | 20 | 2022-02-07 |
| Verizon Wireless (Cellco Partnership) | Wireless | 13(8%) | 9 | 2026-04-02 |
| Fractel, LLC | Competitive / VoIP (CLEC) | 11(7%) | 11 | 2021-04-18 |
| Bandwidth.com | Competitive / VoIP (CLEC) | 10(6%) | 8 | 2023-04-03 |
| Onvoy (Sinch) | Competitive / VoIP (CLEC) | 9(6%) | 9 | 2024-09-04 |
| Metro by T-Mobile (MetroPCS) | Wireless | 7(4%) | 7 | 2024-10-07 |
| T-Mobile USA | Wireless | 7(4%) | 5 | 2025-06-24 |
| Twc Ip Enabled Services, LLC | Competitive / VoIP (CLEC) | 5(3%) | 5 | 2024-11-13 |
| Commio, LLC | Competitive / VoIP (CLEC) | 4(2%) | 4 | 2023-12-14 |
| Boost Subscriberco L.L.C. | Wireless | 3(2%) | 3 | 2025-12-02 |
| Level 3 (Lumen) | Competitive / VoIP (CLEC) | 3(2%) | 2 | 2022-08-16 |
Largest rate centers (exchanges) by prefixes: Greensboro (22), Winston-Salem (19), Burlington (13), Lexington (7), Asheboro (6), High Point (6), Summerfield (6), Mount Airy (4), Eden (3), Gatewood (3). Source: NANPA Central Office Code Utilized Assignments (public, refreshed weekly).
What to do about calls from 743 numbers
Before you call back
- Debt reduction is the top named complaint here. Don't pay upfront fees for debt relief; the FTC's Telemarketing Sales Rule bans them. Talk to your lender or a nonprofit credit counselor instead. Read about debt-relief robocalls.
- Look up the full number above. A missed call from 743 with no voicemail is usually a robocall; anyone who needs you will leave a message.
- Block repeat callers: iPhone, Android, or your carrier's free filter (Verizon, AT&T, T-Mobile).
Report it in North Carolina
- Unwanted sales calls and robocalls: donotcall.gov (FTC). Scams and fraud: ReportFraud.ftc.gov.
- Spoofing, texts and call-blocking problems: FCC consumer complaints.
- State complaints: North Carolina Department of Justice.
- North Carolina formally adopted the FTC's National Do Not Call Registry as its own state list rather than running a separate one, so a single free registration at donotcall.gov covers you. State authorities can still enforce against telemarketers who ignore it, in addition to any federal penalty.
Your FTC and FCC reports are published (without your name or number) in the datasets this page is built from. How to report unwanted calls.
Area code 743: questions answered from the data
Where is area code 743?
Area code 743 serves Greensboro, Winston-Salem and Burlington, North Carolina, covering Guilford County, Forsyth County and Alamance County and 12 more counties. It has been in service since May 23, 2016.
What time zone is area code 743 in?
Area code 743 is in the Eastern time zone (UTC−5, or UTC−4 during daylight saving time). The current local time is shown at the top of this page.
What are calls from 743 numbers usually about?
Since Jul 24, consumers filed 797 FTC Do Not Call complaints about 743 numbers. The most common named subject was debt-relief pitches: 45% of complaints, 93% of them recorded messages. Across all subjects, 80% of callers who answered the question said the call was a robocall.
When do 743 spam calls happen?
32% of the complaints that give a call time describe calls between 10am and 1pm, and 92% came on weekdays, most often on Wednesday. Times are as consumers reported them.
Are calls from 743 numbers really local?
Not necessarily. Only 25% of the FTC complaints about 743 numbers came from North Carolina residents; the most came from Florida, California and Texas. 743 numbers are being used for nationwide campaigns, so the area code says little about where the caller is.
Are 743 robocalls increasing?
In the four weeks to Oct 20, consumers filed 241 FTC complaints about 743 numbers, 10% fewer than the four weeks before.
How do I report a 743 scam call in North Carolina?
Report unwanted sales calls and robocalls to the FTC at donotcall.gov, and scams to ReportFraud.ftc.gov. The FCC takes complaints at consumercomplaints.fcc.gov. In North Carolina, the North Carolina Department of Justice also handles consumer complaints about scam calls. Reports feed the public data this page is built from.
Overlay and nearby area codes
Sources: FTC Do Not Call complaints (unverified consumer reports), published every weekday and available here from Jul 24; FCC Consumer Complaint Data, public record, imported nightly; NANPA numbering records. A number appearing here means consumers reported calls that displayed it. Caller ID can be spoofed.