20388
ZIP 20388 is in Washington Navy Yard, District of Columbia; area codes 202 and 771; Eastern time. Washington Navy Yard has 5 ZIP codes; the others are 20374, 20376, 20391 and 20398.
- Type
- Standard
- Time zone
- America/New_York
- County
- District of Columbia
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- Population
- 0
- Coordinates
- 38.8724, -76.9939
Weather right now
Asking the National Weather Service…
Where 20388 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 20388 into a pocket calculator and turn it upside down: BBEOZ — not quite a word, sorry.
- ➕ As a number, 20,388 = 2 × 2 × 3 × 1699. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100111110100100 - 🏠 Its numerical neighbours: 20380 (Washington, DC, 2 mi away) and 20389 (Washington, DC, 2 mi away).
- 🔄 Backwards, 20388 becomes 88302, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (02838, 02883, 03882, 08328, 08823, 08832, …). The farthest-flung twin is 83802 in Avery, ID, 2,011 miles away.
- 🧭 Farther south than 52% of all ZIP codes, and farther east than 82%.
- 🎯1,152 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20388 and you would come out at 38.87°S, 103.01°E — 866 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
- 📏 At 0.033 square miles of land, 20388 is bigger than 0% of ZIP codes — about 16 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 | 4This ZIP4 |
|---|---|
| Employees | 15This ZIP15 |
| Annual payroll | $1,893,000This ZIP$1,893,000 |
Land area
| Land area | 0.03 sq miThis ZIP0.03 sq mi |
|---|---|
| Water area | 0.05 sq miThis ZIP0.05 sq mi |
Other place names in 20388
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 20388
| ZIP | City | Distance |
|---|---|---|
20390 | Washington, DC | 0.5 mi |
20003 | Washington, DC | 0.7 mi |
20020 | Washington, DC | 1.2 mi |
20541 | Washington, DC | 1.2 mi |
20557 | Washington, DC | 1.2 mi |
20559 | Washington, DC | 1.2 mi |
20540 | Washington, DC | 1.2 mi |
20515 | Washington, DC | 1.3 mi |
20319 | Washington, DC | 1.3 mi |
20460 | Washington, DC | 1.4 mi |
Find every ZIP code within 10 miles of 20388 →
Questions about this ZIP code
Where is ZIP code 20388?
20388 is in Washington Navy Yard, District of Columbia, in District of Columbia, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.8724, -76.9939.
What county is 20388 in?
20388 lies in District of Columbia.
What area code is 20388?
Washington Navy Yard uses area codes 202 and 771, from NANPA's telephone records.
What time zone is 20388 in?
20388 uses America/New_York.
How many people live in 20388?
About 0 people live in ZIP code 20388. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 20388?
The closest are 20390 (0.5 mi), 20003 (0.7 mi), 20020 (1.2 mi), 20541 (1.2 mi) and 20557 (1.2 mi).
Is 20388 a PO Box ZIP code?
20388 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20388 ZIP Code — Washington Navy Yard, District of Columbia.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20388
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20388.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.