Area codes in Greensboro, North Carolina
Greensboro, North Carolina uses 2 area codes — 336 and 743. The main Greensboro area code is 336.
Area codes serving Greensboro
Phone numbers in Greensboro are written as ten digits — for example (336) 555-0190 — and fall in the Eastern Time zone.
How Greensboro came to have 2 area codes
The original Greensboro area code is 336, in service since 1997. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 743 (2016). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Greensboro now uses all 2 codes and every local call is dialed with ten digits.
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Nearby cities
- High Point area codes
- Burlington area codes
- Winston-Salem area codes
- Chapel Hill area codes
- Durham area codes
- Cary area codes
- Statesville area codes
- Raleigh area codes
More cities in North Carolina
- Charlotte area codes
- Fayetteville area codes
- Greenville area codes
- Wilmington area codes
- Asheville area codes
- Goldsboro area codes
- Hickory area codes
- Monroe area codes
Frequently asked questions
What is the area code for Greensboro?
The main area code for Greensboro, North Carolina is 336. Greensboro is now served by 2 area codes in total: 336, 743.
How many area codes does Greensboro have?
Greensboro has 2 area codes: 336, 743.
Why does Greensboro have more than one area code?
As Greensboro used up the numbers available in its original area code (336, in service since 1997), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Greensboro number?
Dial all 10 digits — the area code (336 or 743) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.