Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/MD/GREENSBORO

Greensboro ZIP code, Maryland

The ZIP code for Greensboro, MD is 21639, and its area codes are 667 and 410.

USPS city name
1 ZIP code
Population
2,634
Area codes
667, 410

Greensboro in numbers

About 2,634 people live in Greensboro, in 832 households. The median household income is $53,611 a year, 48% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $251,100 (40% below the Maryland median), and median gross rent is $1,073 a month. The median age is 32.3; 8.6% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 37 minutes.

Population2,634Greensboro2,634
Households832Greensboro832
Median age32.3Greensboro32.3Maryland39.4US 38.9
Median household income$53,611Greensboro$53,611Maryland$103,678US $80,734
Median home value$251,100Greensboro$251,100Maryland$419,900US $332,700
Median gross rent$1,073Greensboro$1,073Maryland$1,705US $1,413
Bachelor's degree or higher8.6%Greensboro8.6%Maryland43.4%US 35.7%
Mean commute36.6 minGreensboro36.6 minMaryland31.1 minUS 26.4 min
Population density2,453 / sq miGreensboro2,453 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Greensboro town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Greensboro

ZIP codes with the USPS city name Greensboro
ZIP City Type Population Median income Median home
21639 Greensboro , MD Standard 4,682 $62,772 $269,400

Map of Greensboro ZIP codes

21639

The ZIP codes of Greensboro, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Greensboro

The nearest larger towns are Denton (4,936 people, 6.8 mi), Harrington, DE (3,838 people, 13 mi) and Centreville (4,761 people, 14 mi).

Towns near Greensboro
TownPopulationDistance
Denton 4,936 6.8 mi
Harrington, DE 3,838 13.2 mi
Centreville 4,761 14.4 mi
Camden, DE 4,106 15.9 mi
Riverview, DE 2,596 16.0 mi
Rising Sun-Lebanon, DE 4,163 18.3 mi
Highland Acres, DE 3,752 18.3 mi
Federalsburg 2,837 19.7 mi
Easton 17,308 19.8 mi
Dover Base Housing, DE 2,962 19.9 mi
Dover, DE 39,837 20.0 mi
Bridgeville, DE 2,745 20.6 mi
Grasonville 3,564 21.0 mi
Milford, DE 12,803 21.2 mi

More nearby: every ZIP code in Caroline County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Greensboro, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/greensboro

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