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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 — ZIP/21734

21734

ZIP 21734 is Funkstown, Maryland, in Washington County; area codes 240, 301 and 227; Eastern time.

Type
Standard
Time zone
America/New_York
County
Washington
Population
1,076
Coordinates
39.6058, -77.7038
☼ Live from 21734 — Funkstown, MD

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Local time: —

Where 21734 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 21734
  • 🔢 Type 21734 into a pocket calculator and turn it upside down: hELIZ — not quite a word, sorry.
  • ➕ As a number, 21,734 = 2 × 10867. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010011100110
  • 🏠 Its numerical neighbours: 21733 (Fairplay, MD, 5 mi away) and 21737 (Glenelg, MD, 44 mi away).
  • 🔄 Backwards, 21734 becomes 43712, which is not a ZIP code at all.
  • 👥 54 other ZIP codes are made of exactly the same digits (12473, 12734, 12743, 13472, 14273, 14723, …). The farthest-flung twin is 73142 in Oklahoma City, OK, 1,123 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther east than 79%.
  • 🎯1,107 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21734 and you would come out at 39.61°S, 102.30°E — 924 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
  • 📏 At 0.483 square miles of land, 21734 is bigger than 5% of ZIP codes — about 234 football fields.
🌙 The sky over 21734 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,076This ZIP1,076
Households493This ZIP493
Housing units518This ZIP518
Median age52.4This ZIP52.4Maryland39.4US 38.9
Median household income$61,392This ZIP$61,392Maryland$103,678US $80,734
Median home value$277,800This ZIP$277,800Maryland$419,900US $332,700
Median gross rent$808This ZIP$808Maryland$1,705US $1,413
Bachelor's degree or higher29.9%This ZIP29.9%
Mean commute20.1 minThis ZIP20.1 min
Population density2,227.7 / sq miThis ZIP2,227.7 / sq mi

Business and tax activity

Business establishments19This ZIP19
Employees109This ZIP109
Annual payroll$3,419,000This ZIP$3,419,000

Land area

Land area0.48 sq miThis ZIP0.48 sq mi
Water area0.00 sq mi

Other place names in 21734

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

ZIP codes near 21734

ZIPCityDistance
21741 Hagerstown, MD 2.6 mi
21747 Hagerstown, MD 2.6 mi
21749 Hagerstown, MD 2.6 mi
21740 Hagerstown, MD 2.8 mi
21746 Hagerstown, MD 2.8 mi
21781 Saint James, MD 3.8 mi
21721 Chewsville, MD 4.4 mi
21733 Fairplay, MD 4.8 mi
21742 Hagerstown, MD 5.7 mi
21713 Boonsboro, MD 5.9 mi

Find every ZIP code within 10 miles of 21734 →

Questions about this ZIP code

Where is ZIP code 21734?

21734 is in Funkstown, Maryland, in Washington County, part of the Hagerstown-Martinsburg, MD-WV metropolitan area. Its published point location is 39.6058, -77.7038.

What county is 21734 in?

21734 lies in Washington County.

What area code is 21734?

Funkstown uses area codes 240, 301 and 227, from NANPA's telephone records.

What time zone is 21734 in?

21734 uses America/New_York.

How many people live in 21734?

About 1,076 people live in ZIP code 21734, in 493 households, at 2,227.7 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 21734?

$61,392 a year, against $103,678 across Maryland.

What ZIP codes are near 21734?

The closest are 21741 (2.6 mi), 21747 (2.6 mi), 21749 (2.6 mi), 21740 (2.8 mi) and 21746 (2.8 mi).

Is 21734 a PO Box ZIP code?

21734 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21734 ZIP Code — Funkstown, Maryland (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21734

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