22643
ZIP 22643 is Markham, Virginia, in Fauquier County; area code 540; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Fauquier
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- Population
- 137
- Coordinates
- 38.8928, -78.0127
Weather right now
Asking the National Weather Service…
Where 22643 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 22643 into a pocket calculator and turn it upside down: EhgZZ — not quite a word, sorry.
- ➕ 22643 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101100001110011 - 🏠 Its numerical neighbours: 22642 (Linden, VA, 4 mi away) and 22644 (Maurertown, VA, 29 mi away).
- 🔄 Backwards, 22643 becomes 34622, which is not a ZIP code at all.
- 👥 21 other ZIP codes are made of exactly the same digits (22436, 22463, 23426, 23462, 24236, 24263, …). The farthest-flung twin is 32462 in Vernon, FL, 726 miles away.
- 🧭 Farther south than 52% of all ZIP codes, and farther east than 79%.
- 🎯1,098 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 22643 and you would come out at 38.89°S, 101.99°E — 915 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
- 📏 At 21.2 square miles of land, 22643 is bigger than 38% of ZIP codes — room for about 16 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 137This ZIP137 |
|---|---|
| Households | 71This ZIP71 |
| Housing units | 120This ZIP120 |
| Median age | 65.4This ZIP65.4Virginia39.0US 38.9 |
| Bachelor's degree or higher | 24.3%This ZIP24.3% |
| Population density | 6.5 / sq miThis ZIP6.5 / sq mi |
Business and tax activity
| Business establishments | 11This ZIP11 |
|---|---|
| Employees | 48This ZIP48 |
| Annual payroll | $1,524,000This ZIP$1,524,000 |
| Tax returns filed | 200This ZIP200 |
| Total adjusted gross income | $29,771,000This ZIP$29,771,000 |
Land area
| Land area | 21.22 sq miThis ZIP21.22 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
ZIP codes near 22643
| ZIP | City | Distance |
|---|---|---|
22639 | Hume, VA | 3.5 mi |
22642 | Linden, VA | 3.9 mi |
20144 | Delaplane, VA | 4.6 mi |
22623 | Chester Gap, VA | 7.5 mi |
20140 | Rectortown, VA | 8.1 mi |
20115 | Marshall, VA | 8.5 mi |
20116 | Marshall, VA | 8.6 mi |
22640 | Huntly, VA | 8.9 mi |
22630 | Front Royal, VA | 9.2 mi |
20185 | Upperville, VA | 9.9 mi |
Find every ZIP code within 10 miles of 22643 →
Questions about this ZIP code
Where is ZIP code 22643?
22643 is in Markham, Virginia, in Fauquier County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.8928, -78.0127.
What county is 22643 in?
22643 lies in Fauquier County.
What area code is 22643?
Markham uses area code 540, from NANPA's telephone records.
What time zone is 22643 in?
22643 uses America/New_York.
How many people live in 22643?
About 137 people live in ZIP code 22643, in 71 households, at 6.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 22643?
The closest are 22639 (3.5 mi), 22642 (3.9 mi), 20144 (4.6 mi), 22623 (7.5 mi) and 20140 (8.1 mi).
Is 22643 a PO Box ZIP code?
22643 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “22643 ZIP Code — Markham, Virginia (Fauquier County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/22643
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/22643.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.