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/20159

20159

ZIP 20159 is in Hamilton, Virginia, in Loudoun County; area codes 703 and 571; Eastern time. Hamilton has 2 ZIP codes; the other is 20158.

Type
No street area
Time zone
America/New_York
County
Loudoun
Coordinates
39.1339, -77.6621

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 20158, whose figures describe that area — not this ZIP code.

☼ Live from 20159 — Hamilton, VA

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Local time: —

Where 20159 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 20159
  • 🔢 Type 20159 into a pocket calculator and turn it upside down: GSIOZ — not quite a word, sorry.
  • ➕ As a number, 20,159 = 19 × 1061. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100111010111111
  • 🏠 Its numerical neighbours: 20158 (Hamilton, VA, 0 mi away) and 20160 (Lincoln, VA, 3 mi away).
  • 🔄 Backwards, 20159 becomes 95102, which is not a ZIP code at all.
  • 👥 51 other ZIP codes are made of exactly the same digits (01259, 01529, 01952, 02915, 09215, 09251, …). The farthest-flung twin is 09251 in APO AE, a military post office, 4,044 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 79%.
  • 🎯1,114 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20159 and you would come out at 39.13°S, 102.34°E — 906 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 20159 today
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Source: USGS.

Land area

ZIP codes near 20159

ZIPCityDistance
20158 Hamilton, VA 0.5 mi
20134 Purcellville, VA 2.5 mi
20160 Lincoln, VA 2.8 mi
20102 Dulles, VA 3.5 mi
20104 Dulles, VA 3.5 mi
20146 Ashburn, VA 3.5 mi
20132 Purcellville, VA 4.1 mi
20129 Paeonian Springs, VA 4.2 mi
20197 Waterford, VA 4.6 mi
20177 Leesburg, VA 5.4 mi

Find every ZIP code within 10 miles of 20159 →

Questions about this ZIP code

Where is ZIP code 20159?

20159 is in Hamilton, Virginia, in Loudoun County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.1339, -77.6621.

What county is 20159 in?

20159 lies in Loudoun County.

What area code is 20159?

Hamilton uses area codes 703 and 571, from NANPA's telephone records.

What time zone is 20159 in?

20159 uses America/New_York.

What ZIP codes are near 20159?

The closest are 20158 (0.5 mi), 20134 (2.5 mi), 20160 (2.8 mi), 20102 (3.5 mi) and 20104 (3.5 mi).

Is 20159 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. “20159 ZIP Code — Hamilton, Virginia (Loudoun County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20159

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20159.json

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