ZIP Codes Box

ZIP code 20405

Where is ZIP code 20405?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20405 belongs to Washington, District of Columbia in District of Columbia. 20405 is a unique ZIP code assigned to a single organization (Gen Services Admin) that gets a lot of mail. It is in the Eastern Time zone and uses area code 202. The closest ZIP codes are 20068 (Washington, 0 mi north), 20228 (Washington, 0 mi north) and 20230 (Washington, 0 mi north).

ZIP code20405
TypeUnique ZIP code for a single organization
StatusActive
CityWashington
StateDistrict of Columbia (DC)
CountyDistrict of Columbia
Time zoneEastern Time · now
Area code202
Coordinates38.8951, -77.0364 map
3-digit prefix204

The Census Bureau doesn’t publish population figures for unique ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.

ZIP codes near 20405

ZIP codeCityDistanceType
20068Washington, DC0 mi NUnique
20228Washington, DC0 mi NUnique
20230Washington, DC0 mi NUnique
20245Washington, DC0 mi NUnique
20511Washington, DC0 mi NUnique
56972Parcel Return Service, DC0 mi NUnique
56901Parcel Return Service, DC0 mi NWUnique
56915Parcel Return Service, DC0 mi NWUnique
56920Parcel Return Service, DC0 mi NWUnique
56933Parcel Return Service, DC0 mi NWUnique
56944Parcel Return Service, DC0 mi NWUnique
56902Parcel Return Service, DC0 mi WUnique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20405 or measure the distance to another ZIP code.

How to address mail to 20405

JANE SMITH
123 MAIN ST
WASHINGTON DC 20405

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20405-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 20405?
20405 is a Washington, District of Columbia ZIP code.
What county is 20405 in?
ZIP code 20405 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20405 in?
20405 is in the Eastern Time zone (America/New_York).
What area code is 20405?
Phone numbers in ZIP code 20405 use area code 202.
Can I use 20405 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 20405?
The nearest ZIP codes to 20405 are 20068 (Washington, 0 miles), 20228 (Washington, 0 miles), 20230 (Washington, 0 miles) and 20245 (Washington, 0 miles).