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/GREENSBURG

Greensburg ZIP codes, Maryland

No ZIP code is named for Greensburg, MD; addresses there use a neighbouring town's name. The ZIP code covering it is 21783. Its area codes are 240, 227 and 301.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
314
Area codes
240, 227, 301

NANPA lists no telephone rate centre for Greensburg itself, so these are the area codes of the nearest one, Smithsburg (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Greensburg in numbers

About 314 people live in Greensburg, in 90 households. The median household income is $120,250 a year, 16% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $232,100 (45% below the Maryland median). The median age is 41.6; 11.4% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 61 minutes.

Population314Greensburg314
Households90Greensburg90
Median age41.6Greensburg41.6Maryland39.4US 38.9
Median household income$120,250Greensburg$120,250Maryland$103,678US $80,734
Median home value$232,100Greensburg$232,100Maryland$419,900US $332,700
Bachelor's degree or higher11.4%Greensburg11.4%Maryland43.4%US 35.7%
Mean commute61.1 minGreensburg61.1 minMaryland31.1 minUS 26.4 min
Population density777 / sq miGreensburg777 / sq mi

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

ZIP codes covering Greensburg

These ZIP codes cover part of Greensburg but are addressed as somewhere else.

ZIP codes overlapping Greensburg
ZIP City Type Population Median income Median home
21783 Smithsburg , MD Standard 9,910 $100,750 $339,800

Map of Greensburg ZIP codes

21783

The ZIP codes of Greensburg, 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 Greensburg

The nearest larger towns are Smithsburg (3,115 people, 2.0 mi), Cavetown (858 people, 3.1 mi) and Leitersburg (498 people, 3.3 mi).

Towns near Greensburg
TownPopulationDistance
Smithsburg 3,115 2.0 mi
Wayne Heights, PA 3,293 4.6 mi
Waynesboro, PA 11,047 5.1 mi
Robinwood 8,042 6.6 mi
Paramount-Long Meadow 2,569 6.9 mi
Fountainhead-Orchard Hills 6,567 8.3 mi
Hagerstown 43,665 9.0 mi
Thurmont 6,254 9.2 mi
State Line, PA 3,111 9.4 mi
Maugansville 3,624 9.9 mi
Carroll Valley, PA 3,992 10.5 mi
Greencastle, PA 4,222 11.6 mi
Halfway 10,849 12.0 mi
St. James 4,824 12.4 mi

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

Cite this page

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

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