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/20142

20142

ZIP 20142 is in Round Hill, Virginia, in Loudoun County; Eastern time. Round Hill has 2 ZIP codes; the other is 20141.

Type
No street area
Time zone
America/New_York
County
Loudoun
Coordinates
39.1307, -77.7747

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 20141, whose figures describe that area — not this ZIP code.

☼ Live from 20142 — Round Hill, VA

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Local time: —

Where 20142 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 20142
  • 🔢 Type 20142 into a pocket calculator and turn it upside down: ZhIOZ — not quite a word, sorry.
  • ➕ As a number, 20,142 = 2 × 3 × 3 × 3 × 373. Its digits add up to 9, a total 375 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100111010101110
  • 🏠 Its numerical neighbours: 20141 (Round Hill, VA, 1 mi away) and 20143 (Catharpin, VA, 21 mi away).
  • 🔄 Backwards, 20142 becomes 24102 — and that is a real ZIP code: Henry, VA, 199 miles away.
  • 👥 43 other ZIP codes are made of exactly the same digits (01224, 01242, 02124, 02142, 02241, 02421, …). The farthest-flung twin is 42021 in Arlington, KY, 631 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 79%.
  • 🎯1,108 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20142 and you would come out at 39.13°S, 102.23°E — 911 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
🌙 The sky over 20142 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees5This ZIP5
Annual payroll$103,000This ZIP$103,000

Land area

ZIP codes near 20142

ZIPCityDistance
20141 Round Hill, VA 1.1 mi
20132 Purcellville, VA 3.5 mi
20134 Purcellville, VA 4.1 mi
20160 Lincoln, VA 5.1 mi
20131 Philomont, VA 5.3 mi
20159 Hamilton, VA 6.0 mi
20158 Hamilton, VA 6.3 mi
20135 Bluemont, VA 6.8 mi
20102 Dulles, VA 7.6 mi
20104 Dulles, VA 7.6 mi

Find every ZIP code within 10 miles of 20142 →

Questions about this ZIP code

Where is ZIP code 20142?

20142 is in Round Hill, Virginia, in Loudoun County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.1307, -77.7747.

What county is 20142 in?

20142 lies in Loudoun County.

What time zone is 20142 in?

20142 uses America/New_York.

What ZIP codes are near 20142?

The closest are 20141 (1.1 mi), 20132 (3.5 mi), 20134 (4.1 mi), 20160 (5.1 mi) and 20131 (5.3 mi).

Is 20142 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.

Download or cite

Cite this page

zipcodes.pro. “20142 ZIP Code — Round Hill, Virginia (Loudoun County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20142

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20142.json

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