Area code
Area code 743 — Greensboro, NC
North Carolina · in service since May 23, 2016
Area code 743 covers parts of North Carolina; the place with the most of its prefixes is Greensboro. It is an overlay: 336 serves the same area, so neighbors can have different area codes.
Overlay, same area: 336
Local time in Greensboro
Spam reports from Sep 23 – Oct 22, 2026
Average #310 of 461 codes
263 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes177 assigned
- Runs out~2Q 2071
- Unwanted call?Block & report
Spam call reports about 743 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 17 |
| Sep 14 | 86 |
| Sep 21 | 65 |
| Sep 28 | 89 |
| Oct 5 | 36 |
| Oct 12 | 39 |
| Oct 19 (4 days) | 55 |
Compared with all codes
- Robocalls
- 77%all codes 75%
- Callers with the same code
- 3%all codes 35%
- Rank by complaints
- #310of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 401 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 169 44% | |
| Calls pretending to be government, businesses, or family and friends | 28 7% | |
| Medical & prescriptions | 24 6% | |
| Dropped call or no message | 13 3% | |
| Lotteries, prizes & sweepstakes | 4 1% | |
| Warranties & protection plans | 4 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| North Carolina | 122 32% | |
| Florida | 37 10% | |
| California | 33 9% | |
| Texas | 23 6% | |
| New York | 15 4% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 743 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| GREENSBORO | Greensboro | Guilford County | 22 |
| WINSTN SAL | Winston-Salem | Forsyth County | 19 |
| BURLINGTON | Burlington | spans 2 counties | 13 |
| LEXINGTON | Lexington | Davidson County | 7 |
| ASHEBORO | Asheboro | Randolph County | 6 |
| HIGH POINT | High Point | spans 4 counties | 6 |
| SUMMERFLD | Summerfield | Guilford County | 6 |
| MOUNT AIRY | Mount Airy | Surry County | 4 |
| EDEN | Eden | Rockingham County | 3 |
| GATEWOOD | — | — | 3 |
Plus 56 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- North Carolina
- Assigned by NANPA
- August 13, 2014
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-475, PL-469
Source: NANPA, NPA database of Oct 24, 2026.
Is 743 running out of numbers?
Previous forecast (October 2025): 2065, moved later by 6 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 743 prefixes
The five largest of 35 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 38 21% | |
| Ton80 Communications, LLC | 21 12% | |
| Verizon Wireless | 13 7% | |
| Fractel, LLC | 11 6% | |
| Bandwidth.com CLEC, LLC | 10 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 743
What area code is 743?
A North Carolina area code, in service since May 23, 2016.
Where is 743 area code, and what time zone is it in?
Greensboro, NC; Eastern Time.
Why am I getting spam calls from 743?
263 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 743 get a new area code?
NANPA forecasts exhaust in 2Q 2071; no relief planning listed.