ZIP Codes Box

ZIP code 20390

Where is ZIP code 20390?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20390 belongs to Washington, District of Columbia in District of Columbia. 20390 is a unique ZIP code assigned to a single organization (Dept Navy Other Offices) that gets a lot of mail. It is in the Eastern Time zone and uses area codes 202 and 771. About 246 people live in the 20390 area. The closest ZIP codes are 20013 (Washington, 0 mi north), 20026 (Washington, 0 mi north) and 20029 (Washington, 0 mi north).

ZIP code20390
TypeUnique ZIP code for a single organization
StatusActive
CityWashington
Also acceptedMarine Barrks, Us Marine Corps Barracks
StateDistrict of Columbia (DC)
CountyDistrict of Columbia
Time zoneEastern Time · now
Area codes202, 771
Coordinates38.8933, -77.0146 map
3-digit prefix203

Population and income in 20390

Population246 · lower than 89% of District of Columbia ZIP codes
People per square mile61,500 · higher than 98% of District of Columbia ZIP codes
Median age22.2 years · lower than 82% of District of Columbia ZIP codes
Men / women78% / 22%
Income per person$38,567
Bachelor’s degree or higher0.0% of adults 25+
Housing units0
Households0
Land area0 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20390. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 20390

ZIP codeCityDistanceType
20013Washington, DC0 mi NPO Box only
20026Washington, DC0 mi NPO Box only
20029Washington, DC0 mi NPO Box only
20030Washington, DC0 mi NPO Box only
20033Washington, DC0 mi NPO Box only
20035Washington, DC0 mi NPO Box only
20038Washington, DC0 mi NPO Box only
20039Washington, DC0 mi NPO Box only
20040Washington, DC0 mi NPO Box only
20041Washington, DC0 mi NPO Box only
20042Washington, DC0 mi NUnique
20043Washington, DC0 mi NPO Box only

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20390 or measure the distance to another ZIP code.

How to address mail to 20390

JANE SMITH
123 MAIN ST
WASHINGTON DC 20390

Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MARINE BARRKS and US MARINE CORPS BARRACKS as the city name for 20390. Adding the 4-digit ZIP+4 code (20390-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Washington, DC

All Washington ZIP codes with population and income →

Questions

What city is ZIP code 20390?
20390 is a Washington, District of Columbia ZIP code. Marine Barrks and Us Marine Corps Barracks are also accepted as the city name.
What county is 20390 in?
ZIP code 20390 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20390 in?
20390 is in the Eastern Time zone (America/New_York).
What area code is 20390?
Phone numbers in ZIP code 20390 use area codes 202 and 771.
What is the population of ZIP code 20390?
About 246 people live in ZIP code 20390, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 20390 for a street address?
Only for mail to the organization it is assigned to. Other addresses in Washington use a standard ZIP code.
What ZIP codes are near 20390?
The nearest ZIP codes to 20390 are 20013 (Washington, 0 miles), 20026 (Washington, 0 miles), 20029 (Washington, 0 miles) and 20030 (Washington, 0 miles).