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 — ZIP/21741

21741

ZIP 21741 is in Hagerstown, Maryland, in Washington County; area codes 240, 301 and 227; Eastern time. Hagerstown has 6 ZIP codes; the others are 21740, 21742, 21746, 21747 and 21749.

Type
No street area
Time zone
America/New_York
County
Washington
Coordinates
39.6418, -77.7200

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 21740, whose figures describe that area — not this ZIP code.

☼ Live from 21741 — Hagerstown, MD

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Where 21741 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 21741
  • 🔢 Type 21741 into a pocket calculator and turn it upside down: IhLIZ — not quite a word, sorry.
  • ➕ As a number, 21,741 = 3 × 7247. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010011101101
  • 🏠 Its numerical neighbours: 21740 (Hagerstown, MD, 1 mi away) and 21742 (Hagerstown, MD, 4 mi away).
  • 🔄 Backwards, 21741 becomes 14712 — and that is a real ZIP code: Bemus Point, NY, 195 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (11247, 11427, 11724, 11742, 12147, 12174, …). The farthest-flung twin is 74121 in Tulsa, OK, 1,025 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther east than 79%.
  • 🎯1,106 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21741 and you would come out at 39.64°S, 102.28°E — 927 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 22m.
🌙 The sky over 21741 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments9This ZIP9
Employees455This ZIP455
Annual payroll$23,908,000This ZIP$23,908,000

Land area

ZIP codes near 21741

ZIPCityDistance
21747 Hagerstown, MD 0.0 mi
21749 Hagerstown, MD 0.0 mi
21740 Hagerstown, MD 1.4 mi
21734 Funkstown, MD 2.6 mi
21767 Maugansville, MD 4.1 mi
21742 Hagerstown, MD 4.4 mi
21721 Chewsville, MD 4.4 mi
21746 Hagerstown, MD 5.3 mi
21781 Saint James, MD 5.3 mi
17263 State Line, PA 5.7 mi

Find every ZIP code within 10 miles of 21741 →

Questions about this ZIP code

Where is ZIP code 21741?

21741 is in Hagerstown, Maryland, in Washington County, part of the Hagerstown-Martinsburg, MD-WV metropolitan area. Its published point location is 39.6418, -77.7200.

What county is 21741 in?

21741 lies in Washington County.

What area code is 21741?

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

What time zone is 21741 in?

21741 uses America/New_York.

What ZIP codes are near 21741?

The closest are 21747 (0 mi), 21749 (0 mi), 21740 (1.4 mi), 21734 (2.6 mi) and 21767 (4.1 mi).

Is 21741 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “21741 ZIP Code — Hagerstown, Maryland (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21741

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/21741.json

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