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/KEEDYSVILLE

Keedysville ZIP code, Maryland

The ZIP code for Keedysville, MD is 21756, and its area codes are 240, 301 and 227.

USPS city name
1 ZIP code
Population
1,183
Area codes
240, 301, 227

Keedysville in numbers

About 1,183 people live in Keedysville, in 382 households. The median household income is $149,545 a year, 44% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $415,300 (about the same as the Maryland median). The median age is 39.8; 44.6% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 42 minutes.

Population1,183Keedysville1,183
Households382Keedysville382
Median age39.8Keedysville39.8Maryland39.4US 38.9
Median household income$149,545Keedysville$149,545Maryland$103,678US $80,734
Median home value$415,300Keedysville$415,300Maryland$419,900US $332,700
Bachelor's degree or higher44.6%Keedysville44.6%Maryland43.4%US 35.7%
Mean commute42.3 minKeedysville42.3 minMaryland31.1 minUS 26.4 min
Population density1,398 / sq miKeedysville1,398 / sq mi

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

ZIP codes addressed as Keedysville

ZIP codes with the USPS city name Keedysville
ZIP City Type Population Median income Median home
21756 Keedysville , MD Standard 3,640 $101,786 $413,200

Map of Keedysville ZIP codes

21756

The ZIP codes of Keedysville, 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 Keedysville

The nearest larger towns are Boonsboro (3,809 people, 2.4 mi), St. James (4,824 people, 6.6 mi) and Shepherdstown, WV (1,460 people, 6.8 mi).

Towns near Keedysville
TownPopulationDistance
Boonsboro 3,809 2.4 mi
St. James 4,824 6.6 mi
Middletown 5,014 9.2 mi
Halfway 10,849 9.8 mi
Robinwood 8,042 9.9 mi
Hagerstown 43,665 10.7 mi
Jefferson 3,314 11.8 mi
Braddock Heights 2,892 12.1 mi
Brunswick 8,450 12.3 mi
Smithsburg 3,115 13.2 mi
Paramount-Long Meadow 2,569 13.4 mi
Fountainhead-Orchard Hills 6,567 14.0 mi
Maugansville 3,624 14.6 mi
Martinsburg, WV 18,904 15.1 mi

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

Cite this page

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

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