20204
ZIP 20204 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
- 38.8856, -77.0144
Weather right now
Asking the National Weather Service…
Where 20204 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 20204 into a pocket calculator and turn it upside down: hOZOZ — not quite a word, sorry.
- ➕ As a number, 20,204 = 2 × 2 × 5051. Its digits add up to 8, a total 251 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100111011101100 - 🏠 Its numerical neighbours: 20203 (Washington, DC, 2 mi away) and 20206 (Washington, DC, 1 mi away).
- 🔄 Backwards, 20204 becomes 40202 — and that is a real ZIP code: Louisville, KY, 474 miles away.
- 👥 17 other ZIP codes are made of exactly the same digits (02204, 02420, 04022, 04220, 20024, 20042, …). The farthest-flung twin is 42002 in Paducah, KY, 649 miles away.
- 🧭 Farther south than 52% of all ZIP codes, and farther east than 82%.
- 🎯1,151 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20204 and you would come out at 38.89°S, 102.99°E — 868 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
- 📏 At 0.006 square miles of land, 20204 is bigger than 0% of ZIP codes — about 3 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 |
Land area
| Land area | 0.01 sq miThis ZIP0.01 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 20204
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 20204
| ZIP | City | Distance |
|---|---|---|
20594 | Washington, DC | 0.2 mi |
20515 | Washington, DC | 0.3 mi |
20565 | Washington, DC | 0.4 mi |
20411 | Washington, DC | 0.4 mi |
20414 | Washington, DC | 0.4 mi |
20590 | Washington, DC | 0.4 mi |
20216 | Washington, DC | 0.4 mi |
20591 | Washington, DC | 0.5 mi |
20553 | Washington, DC | 0.5 mi |
20546 | Washington, DC | 0.5 mi |
Find every ZIP code within 10 miles of 20204 →
Questions about this ZIP code
Where is ZIP code 20204?
20204 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 38.8856, -77.0144.
What county is 20204 in?
20204 lies in District of Columbia.
What area code is 20204?
Washington uses area codes 202 and 771, from NANPA's telephone records.
What time zone is 20204 in?
20204 uses America/New_York.
How many people live in 20204?
About 0 people live in ZIP code 20204. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 20204?
The closest are 20594 (0.2 mi), 20515 (0.3 mi), 20565 (0.4 mi), 20411 (0.4 mi) and 20414 (0.4 mi).
Is 20204 a PO Box ZIP code?
20204 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20204 ZIP Code — Washington, District of Columbia.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20204
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20204.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.