20566
ZIP 20566 is in Washington, District of Columbia; area codes 202 and 771; Eastern time. Washington has 271 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- District of Columbia
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- Population
- 0
- Coordinates
- 38.8958, -77.0556
Weather right now
Asking the National Weather Service…
Where 20566 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 20566 into a pocket calculator and turn it upside down: ggSOZ — not quite a word, sorry.
- ➕ As a number, 20,566 = 2 × 7 × 13 × 113. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101000001010110 - 🏠 Its numerical neighbours: 20565 (Washington, DC, 2 mi away) and 20570 (Washington, DC, 1 mi away).
- 🔄 Backwards, 20566 becomes 66502 — and that is a real ZIP code: Manhattan, KS, 1,043 miles away.
- 👥 33 other ZIP codes are made of exactly the same digits (05662, 06256, 06265, 20656, 25606, 26056, …). The farthest-flung twin is 66520 in Olsburg, KS, 1,046 miles away.
- 🧭 Farther south than 51% of all ZIP codes, and farther east than 81%.
- 🎯1,149 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20566 and you would come out at 38.90°S, 102.94°E — 870 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
- 📏 At 0.059 square miles of land, 20566 is bigger than 1% of ZIP codes — about 29 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Population density | 0.0 / sq mi |
Business and tax activity
| Business establishments | 9This ZIP9 |
|---|---|
| Employees | 152This ZIP152 |
| Annual payroll | $2,626,000This ZIP$2,626,000 |
Land area
| Land area | 0.06 sq miThis ZIP0.06 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Other place names in 20566
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 20566
| ZIP | City | Distance |
|---|---|---|
20037 | Washington, DC | 0.2 mi |
20520 | Washington, DC | 0.4 mi |
20522 | Washington, DC | 0.4 mi |
20523 | Washington, DC | 0.4 mi |
20027 | Washington, DC | 0.5 mi |
20418 | Washington, DC | 0.5 mi |
20052 | Washington, DC | 0.5 mi |
20551 | Washington, DC | 0.6 mi |
20245 | Washington, DC | 0.6 mi |
20427 | Washington, DC | 0.6 mi |
Find every ZIP code within 10 miles of 20566 →
Questions about this ZIP code
Where is ZIP code 20566?
20566 is in Washington, District of Columbia, in District of Columbia, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.8958, -77.0556.
What county is 20566 in?
20566 lies in District of Columbia.
What area code is 20566?
Washington uses area codes 202 and 771, from NANPA's telephone records.
What time zone is 20566 in?
20566 uses America/New_York.
How many people live in 20566?
About 0 people live in ZIP code 20566. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 20566?
The closest are 20037 (0.2 mi), 20520 (0.4 mi), 20522 (0.4 mi), 20523 (0.4 mi) and 20027 (0.5 mi).
Is 20566 a PO Box ZIP code?
20566 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20566 ZIP Code — Washington, District of Columbia.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20566
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20566.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.