Area Code 743
North Carolina
Area code 743 serves North Carolina, primarily Greensboro, in the Eastern Time (ET) time zone. It is an overlay area code sharing territory with area code 336.
Overlay Area Code
This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.
This area code shares its geographic region with: area code 336 (Greensboro).
In service since: 23-May-2016
History
Area code 743 serves as an overlay for the same territory as area code 336. It was introduced in 2016 to provide additional phone number capacity for the region. It shares its territory with area code area code 336.
Demographics
The estimated population served by area code 743 is approximately 3,075,466. The population density is 217 people per square mile, which is higher than the national average of 94. The median household income is $64,445, which is lower than the national median of $78,538. Approximately 27.9% of adults hold a bachelor's degree or higher, compared to the national rate of 35.0%. This rate is lower than the national average. The poverty rate stands at 14.7%, which is higher than the national rate of 12.4%.
Demographics & Economics
- Total Population
- 3,075,466
- Population Density
- 217 people/sq miabove U.S. average (U.S.: 94 people/sq mi)
- Median Household Income
- $64,445below U.S. median (U.S.: $78,538)
- Poverty Rate
- 14.7%above U.S. average (U.S.: 12.4%)
- Unemployment Rate
- 4.7%near U.S. average (U.S.: 5.2%)
- Education Attainment
- Bachelor's Degree+27.9%below U.S. average (U.S.: 35.0%)High School or Lower33.1%
Statistics are population-weighted aggregations from Census ACS 5-year estimates.See Sources for details.
Geographic Coverage
State
NC
Major Cities
- Greensboro
- Winston-Salem
- High Point
- Burlington
- Kernersville
- Asheboro
- Thomasville
- Clemmons
- Lexington
- Mebane
- Graham
- Eden
- Reidsville
- Lewisville
- Archdale
- Elon
- Summerfield
- Mount Airy
- Gibsonville
- Roxboro
- Oak Ridge
- King
- Trinity
- Mocksville
and 75 more cities
Time Zone
- Eastern Time (ET)
Current Time
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 743).
| County | Population | Share |
|---|---|---|
| Guilford, NC | 761,724 | 24.8% |
| Forsyth, NC | 501,040 | 16.3% |
| Davidson, NC | 397,183 | 12.9% |
| Randolph, NC | 312,880 | 10.2% |
| Alamance, NC | 173,157 | 5.6% |
| Rockingham, NC | 146,191 | 4.8% |
| Caswell, NC | 133,403 | 4.3% |
| Stokes, NC | 129,408 | 4.2% |
| Wilkes, NC | 99,047 | 3.2% |
| Surry, NC | 85,799 | 2.8% |
| Davie, NC | 57,637 | 1.9% |
| Person, NC | 47,771 | 1.6% |
| Iredell, NC | 46,316 | 1.5% |
| Yadkin, NC | 38,828 | 1.3% |
| Ashe, NC | 28,079 | 0.9% |
| Granville, NC | 20,687 | 0.7% |
| Chatham, NC | 20,390 | 0.7% |
| Orange, NC | 17,019 | 0.6% |
| Durham, NC | 13,157 | 0.4% |
| Alleghany, NC | 12,389 | 0.4% |
| Henry, VA | 8,409 | 0.3% |
| Grayson, VA | 6,702 | 0.2% |
| Moore, NC | 5,816 | 0.2% |
| Montgomery, NC | 4,201 | 0.1% |
| Alexander, NC | 3,287 | 0.1% |
| Caldwell, NC | 3,111 | 0.1% |
| Watauga, NC | 1,835 | 0.1% |
Call Context
This area code covers a geographic region across NC, including Greensboro and surrounding communities.
Nearby Area Codes
Area codes geographically closest to 743.
Other Area Codes in North Carolina
Area codes that also serve North Carolina, linked for easy comparison.
Frequently Asked Questions
Common questions about area code 743 and how phone numbering works.
Phone numbers assigned to area code 743 are tied to where they were originally provisioned — not the caller's current location. This code serving roughly 3075k people covers Greensboro in NC, so a number originally set up there will retain the 743 prefix even if the owner moves or uses VoIP. Mobile phones keep their original number when users relocate, and businesses often adopt local area codes to establish a regional presence.
Start by looking up the area code on this site to understand its geographic context — area code 743 is associated with Greensboro in NC. For caller-specific details, use your carrier's caller ID features or check public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register with the National Do Not Call Registry.
When an area's available number pool runs low, regulators introduce an "overlay" code covering the same territory. Both codes coexist, and new numbers are assigned from whichever has availability. Area code 743 serves the Greensboro region in NC, where growing demand for phone numbers necessitated an additional code. This area code shares its region with area code 336. Learn more in our overlay vs split guide.