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/BARNESVILLE

Barnesville ZIP code, Maryland

The ZIP code for Barnesville, MD is 20838, and its area codes are 240 and 301.

USPS city name
1 ZIP code
Population
208
Area codes
240, 301

NANPA lists no telephone rate centre for Barnesville itself, so these are the area codes of the nearest one, Poolesville (7.7 miles). A town on an area-code boundary can differ from its neighbour.

Barnesville in numbers

About 208 people live in Barnesville, in 65 households. The median household income is $231,250 a year, 2.2 times the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $730,300 (74% above the Maryland median). The median age is 34.3; 68.1% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 44 minutes.

Population208Barnesville208
Households65Barnesville65
Median age34.3Barnesville34.3Maryland39.4US 38.9
Median household income$231,250Barnesville$231,250Maryland$103,678US $80,734
Median home value$730,300Barnesville$730,300Maryland$419,900US $332,700
Bachelor's degree or higher68.1%Barnesville68.1%Maryland43.4%US 35.7%
Mean commute43.8 minBarnesville43.8 minMaryland31.1 minUS 26.4 min
Population density425 / sq miBarnesville425 / sq mi

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

ZIP codes addressed as Barnesville

ZIP codes with the USPS city name Barnesville
ZIP City Type Population Median income Median home
20838 Barnesville , MD Standard 306 $250,000+ $775,700

Map of Barnesville ZIP codes

20838

The ZIP codes of Barnesville, 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 Barnesville

The nearest larger towns are Ten Mile Creek (1,184 people, 4.2 mi), Clarksburg (30,487 people, 5.9 mi) and Poolesville (5,764 people, 6.0 mi).

Towns near Barnesville
TownPopulationDistance
Clarksburg 30,487 5.9 mi
Poolesville 5,764 6.0 mi
Germantown 90,719 6.9 mi
Urbana 14,260 7.3 mi
Montgomery Village 34,110 9.5 mi
Darnestown 7,051 10.0 mi
Damascus 17,640 10.1 mi
Monrovia 3,568 10.8 mi
Green Valley 13,602 10.9 mi
Flower Hill 13,794 11.0 mi
Gaithersburg 69,825 11.0 mi
Ballenger Creek 26,390 11.1 mi
Lansdowne, VA 12,328 11.2 mi
Bartonsville 3,282 11.5 mi

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

Cite this page

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

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