20178

ZIP 20178 is in Leesburg, Virginia, in Loudoun County; area codes 571 and 703; Eastern time. Leesburg has 4 ZIP codes; the others are 20175, 20176 and 20177.

Type: No street area
Time zone: America/New_York
County: Loudoun
Metro area: Washington-Arlington-Alexandria, DC-VA-MD-WV
Coordinates: 39.1157, -77.5636

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 20176, whose figures describe that area — not this ZIP code.

☼ Live from 20178 — Leesburg, VA

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Where 20178 is

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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 20178

🔢 Type 20178 into a pocket calculator and turn it upside down: BLIOZ — not quite a word, sorry.
➕ As a number, 20,178 = 2 × 3 × 3 × 19 × 59. Its digits add up to 18, a total 2,332 other ZIP codes share.
💾In binary, the way a computer stores it: 100111011010010
🏠 Its numerical neighbours: 20177 (Leesburg, VA, 0 mi away) and 20180 (Lovettsville, VA, 11 mi away).
🔄 Backwards, 20178 becomes 87102 — and that is a real ZIP code: Albuquerque, NM, 1,620 miles away.
👥 67 other ZIP codes are made of exactly the same digits (01827, 02187, 02718, 02817, 02871, 07821, …). The farthest-flung twin is 87021 in Milan, NM, 1,683 miles away.
🧭 Farther north than 50% of all ZIP codes, and farther east than 80%.
🎯1,119 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 20178 and you would come out at 39.12°S, 102.44°E — 901 miles from Perth, Australia, the nearest big city to that spot.
☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.

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Source: USGS.

Business and tax activity

Business establishments	7This ZIP7
Employees	62This ZIP62
Annual payroll	$2,168,000This ZIP$2,168,000

Land area

ZIP codes near 20178

ZIP	City	Distance
`20177`	Leesburg, VA	0.0 mi
`20129`	Paeonian Springs, VA	3.7 mi
`20175`	Leesburg, VA	4.1 mi
`20176`	Leesburg, VA	4.7 mi
`20102`	Dulles, VA	4.9 mi
`20104`	Dulles, VA	4.9 mi
`20146`	Ashburn, VA	4.9 mi
`20158`	Hamilton, VA	5.4 mi
`20159`	Hamilton, VA	5.4 mi
`20149`	Ashburn, VA	6.4 mi

Find every ZIP code within 10 miles of 20178 →

Questions about this ZIP code

Where is ZIP code 20178?

20178 is in Leesburg, Virginia, in Loudoun County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.1157, -77.5636.

What county is 20178 in?

20178 lies in Loudoun County.

What area code is 20178?

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

What time zone is 20178 in?

20178 uses America/New_York.

What ZIP codes are near 20178?

The closest are 20177 (0 mi), 20129 (3.7 mi), 20175 (4.1 mi), 20176 (4.7 mi) and 20102 (4.9 mi).

Is 20178 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. “20178 ZIP Code — Leesburg, Virginia (Loudoun County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20178

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20178.json

Underlying data is public domain or openly licensed — sources, vintages and licences.