Greensboro, MD zip code
Greensboro, Maryland uses one zip code: 21639. Most of it is in Caroline County. Together these zip codes are home to about 4.7K people.
Zip codes
1
Population
4.7K
All zips combined
Largest zip
21639
4,682 residents
Zip codes in Greensboro
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 21639 | 4,682 | $62,772 |