The 743 area code belongs to North Carolina. It is an overlay code for area code 336, meaning it covers the same territory as the Piedmont Triad region, including Greensboro, Winston-Salem, and High Point, rather than a separate geographic area. It went into service on May 23, 2016, sits in the Eastern Time Zone, and requires 10-digit dialing for all local calls.
What Is the 743 Area Code?
Area code 743 is a U.S. telephone area code that serves north-central and northwestern North Carolina. Unlike most area codes that cover distinct regions, 743 works as an overlay code. It shares the same geographic area as the existing 336 area code, so both codes serve the same region.
Key Facts at a Glance
| Detail | Information |
|---|---|
| State | North Carolina |
| Region | Piedmont Triad |
| Overlay partner | Area code 336 |
| In service since | May 23, 2016 |
| Assigned | August 13, 2014 |
| Time zone | Eastern Time (ET) |
| Dialing format | 10-digit (area code + 7 digits) required |
| Major cities | Greensboro, Winston-Salem, High Point |
Where Is Area Code 743 Located?
743 area code location covers the same service area as 336, spanning roughly 18 counties across north-central and northwestern North Carolina, including the Piedmont Triad and parts of the northern Foothills and Mountains.
Cities covered by the 336/743 overlay:
Why Was the 743 Area Code Created?
North Carolina’s 336 area code was projected to run out of available phone numbers by 2016, largely because of the explosion of cell phones, fax lines, and other devices that require individual numbers. Rather than splitting the region into two separate area codes (which would have forced some residents to change their existing numbers), the North Carolina Utilities Commission approved an overlay on August 20, 2014.

How Does 10-Digit Dialing Work With 336/743?
Because 336 and 743 overlap the same area, the phone system can no longer tell numbers apart using only 7 digits. Since the overlay took effect:
Time zone
The area code 743 location is in the Eastern Time Zone (ET).
Is a 743 Number Legitimate or a Scam?
743 is a legitimate North American Numbering Plan (NANP) area code, like 212 or 415. It is not inherently associated with scams. However, as with any area code, scammers can spoof caller ID to display a local-looking 743 or 336 number to increase the odds that you’ll answer.
Can You Get a 743 Phone Number?
Yes. Both individuals and businesses can request a 743 number when:
Businesses outside North Carolina sometimes choose a 743 number specifically to establish a local footprint in the Triad market for marketing or customer-trust purposes, since VoIP services let you use an area code independent of your physical location.
Frequently Asked Questions (FAQs)
Conclusion
The 743 area code serves North Carolina’s Piedmont Triad region, overlapping with area code 336 across cities like Greensboro, Winston-Salem, and High Point. It uses Eastern Time, requires 10-digit local dialing, and operates like any other legitimate U.S. area code; the only unusual thing is that it doesn’t have its own separate territory, since it shares one with 336.
