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zipcodes.pro — ZIP/20838

20838

ZIP 20838 is Barnesville, Maryland, in Montgomery County; area codes 240 and 301; Eastern time.

Type
Standard
Time zone
America/New_York
County
Montgomery
Population
306
Coordinates
39.2241, -77.3703
☼ Live from 20838 — Barnesville, MD

Weather right now

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NEXRAD radar
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Local time: —

Where 20838 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 20838
  • 🔢 Type 20838 into a pocket calculator and turn it upside down: BEBOZ — not quite a word, sorry.
  • ➕ As a number, 20,838 = 2 × 3 × 23 × 151. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000101100110
  • 🏠 Its numerical neighbours: 20837 (Poolesville, MD, 8 mi away) and 20839 (Beallsville, MD, 4 mi away).
  • 🔄 Backwards, 20838 becomes 83802 — and that is a real ZIP code: Avery, ID, 1,982 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (02838, 02883, 03882, 08328, 08823, 08832, …). The farthest-flung twin is 83802 in Avery, ID, 1,982 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 80%.
  • 🎯1,128 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20838 and you would come out at 39.22°S, 102.63°E — 896 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
  • 📏 At 0.935 square miles of land, 20838 is bigger than 8% of ZIP codes — about 453 football fields.
🌙 The sky over 20838 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population306This ZIP306
Households91This ZIP91
Housing units97This ZIP97
Median age34.4This ZIP34.4Maryland39.4US 38.9
Median household income$250,000+This ZIP$250,000+Maryland$103,678US $80,734
Median home value$775,700This ZIP$775,700Maryland$419,900US $332,700
Bachelor's degree or higher77.5%This ZIP77.5%
Mean commute47.6 minThis ZIP47.6 min
Population density327.3 / sq miThis ZIP327.3 / sq mi

Business and tax activity

Business establishments10This ZIP10
Employees58This ZIP58
Annual payroll$2,444,000This ZIP$2,444,000
Tax returns filed150This ZIP150
Total adjusted gross income$22,540,000This ZIP$22,540,000

Land area

Land area0.94 sq miThis ZIP0.94 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 20838

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 20838

ZIPCityDistance
20842 Dickerson, MD 2.9 mi
20841 Boyds, MD 3.9 mi
20839 Beallsville, MD 4.4 mi
20871 Clarksburg, MD 5.3 mi
21710 Adamstown, MD 6.7 mi
20874 Germantown, MD 7.3 mi
20876 Germantown, MD 7.4 mi
21790 Tuscarora, MD 7.6 mi
20837 Poolesville, MD 7.7 mi
21754 Ijamsville, MD 8.0 mi

Find every ZIP code within 10 miles of 20838 →

Questions about this ZIP code

Where is ZIP code 20838?

20838 is in Barnesville, Maryland, in Montgomery County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.2241, -77.3703.

What county is 20838 in?

20838 lies in Montgomery County.

What area code is 20838?

Barnesville uses area codes 240 and 301, from NANPA's telephone records.

What time zone is 20838 in?

20838 uses America/New_York.

How many people live in 20838?

About 306 people live in ZIP code 20838, in 91 households, at 327.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 20838?

$250,000+ a year, against $103,678 across Maryland.

What ZIP codes are near 20838?

The closest are 20842 (2.9 mi), 20841 (3.9 mi), 20839 (4.4 mi), 20871 (5.3 mi) and 21710 (6.7 mi).

Is 20838 a PO Box ZIP code?

20838 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20838 ZIP Code — Barnesville, Maryland (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20838

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