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/20188

20188

ZIP 20188 is in Warrenton, Virginia, in Fauquier County; area codes 540 and 826; Eastern time. Warrenton has 3 ZIP codes; the others are 20186 and 20187.

Type
No street area
Time zone
America/New_York
County
Fauquier
Coordinates
38.7656, -77.8203

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 20186, whose figures describe that area — not this ZIP code.

☼ Live from 20188 — Warrenton, VA

Weather right now

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NEXRAD radar
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Local time: —

Where 20188 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 20188
  • 🔢 Type 20188 into a pocket calculator and turn it upside down: BBIOZ — not quite a word, sorry.
  • ➕ As a number, 20,188 = 2 × 2 × 7 × 7 × 103. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100111011011100
  • 🏠 Its numerical neighbours: 20187 (Warrenton, VA, 5 mi away) and 20189 (Dulles, VA, 26 mi away).
  • 🔄 Backwards, 20188 becomes 88102 — and that is a real ZIP code: Clovis, NM, 1,435 miles away.
  • 👥 29 other ZIP codes are made of exactly the same digits (02188, 02818, 02881, 08218, 08812, 08821, …). The farthest-flung twin is 88021 in Anthony, NM, 1,691 miles away.
  • 🧭 Farther south than 53% of all ZIP codes, and farther east than 79%.
  • 🎯1,110 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20188 and you would come out at 38.77°S, 102.18°E — 902 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 53m of daylight. Shortest: 9h 27m.
🌙 The sky over 20188 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments22This ZIP22
Employees293This ZIP293
Annual payroll$20,041,000This ZIP$20,041,000

Land area

ZIP codes near 20188

ZIPCityDistance
20115 Marshall, VA 5.1 mi
20187 Warrenton, VA 5.4 mi
20186 Warrenton, VA 5.5 mi
20137 Broad Run, VA 6.0 mi
20116 Marshall, VA 6.5 mi
20128 Orlean, VA 8.6 mi
20198 The Plains, VA 9.1 mi
20139 Casanova, VA 10.0 mi
22724 Jeffersonton, VA 10.3 mi
20168 Haymarket, VA 10.4 mi

Find every ZIP code within 10 miles of 20188 →

Questions about this ZIP code

Where is ZIP code 20188?

20188 is in Warrenton, Virginia, in Fauquier County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.7656, -77.8203.

What county is 20188 in?

20188 lies in Fauquier County.

What area code is 20188?

Warrenton uses area codes 540 and 826, from NANPA's telephone records.

What time zone is 20188 in?

20188 uses America/New_York.

What ZIP codes are near 20188?

The closest are 20115 (5.1 mi), 20187 (5.4 mi), 20186 (5.5 mi), 20137 (6 mi) and 20116 (6.5 mi).

Is 20188 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. “20188 ZIP Code — Warrenton, Virginia (Fauquier County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20188

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20188.json

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