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/KEMPS-MILL

Kemps Mill ZIP codes, Maryland

No ZIP code is named for Kemps Mill, MD; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 21740 and 21795. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
49
Area codes
240, 301, 227

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

ZIP codes covering Kemps Mill

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

ZIP codes overlapping Kemps Mill
ZIP City Type Population Median income Median home
21740 Hagerstown , MD Standard 64,792 $62,873 $262,300
21795 Williamsport , MD Standard 10,144 $87,864 $295,800

Map of Kemps Mill ZIP codes

2174021795

The ZIP codes of Kemps Mill, 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 Kemps Mill

The nearest larger towns are Wilson-Conococheague (1,663 people, 1.8 mi), Williamsport (1,949 people, 2.1 mi) and Pinesburg (409 people, 2.2 mi).

Towns near Kemps Mill
TownPopulationDistance
Halfway 10,849 2.4 mi
Hagerstown 43,665 4.9 mi
St. James 4,824 5.1 mi
Maugansville 3,624 5.8 mi
Fountainhead-Orchard Hills 6,567 6.6 mi
Paramount-Long Meadow 2,569 7.4 mi
Robinwood 8,042 8.0 mi
State Line, PA 3,111 8.7 mi
Boonsboro 3,809 11.3 mi
Greencastle, PA 4,222 12.2 mi
Smithsburg 3,115 12.6 mi
Martinsburg, WV 18,904 14.6 mi
Waynesboro, PA 11,047 15.1 mi
Wayne Heights, PA 3,293 16.5 mi

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

Cite this page

zipcodes.pro. “Kemps Mill, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/kemps-mill

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