What city is ZIP code 20355?

20355 is a Washington, District of Columbia ZIP code.

What county is 20355 in?

ZIP code 20355 is in District of Columbia, District of Columbia.

What time zone is ZIP code 20355 in?

20355 is in the Eastern Time zone (America/New_York).

What area code is 20355?

Phone numbers in ZIP code 20355 use area code 202.

Can I use 20355 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 20355?

The nearest ZIP codes to 20355 are 20373 (Naval Anacost Annex, 0 miles), 20374 (Washington Navy Yard, 0 miles), 20376 (Washington Navy Yard, 0 miles) and 20388 (Washington Navy Yard, 0 miles).

ZIP code 20355

Where is ZIP code 20355?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20355 belongs to Washington, District of Columbia in District of Columbia. 20355 is a unique ZIP code assigned to a single organization (Pentagon) that gets a lot of mail. It is in the Eastern Time zone and uses area code 202. The closest ZIP codes are 20373 (Naval Anacost Annex, 0 mi north), 20374 (Washington Navy Yard, 0 mi north) and 20376 (Washington Navy Yard, 0 mi north).

ZIP code	20355
Type	Unique ZIP code for a single organization
Status	Active
City	Washington
State	District of Columbia (DC)
County	District of Columbia
Time zone	Eastern Time · now
Area code	202
Coordinates	38.8951, -77.0369 map
3-digit prefix	203

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 20355

ZIP code	City	Distance	Type
20373	Naval Anacost Annex, DC	0 mi N	Unique
20374	Washington Navy Yard, DC	0 mi N	Standard
20376	Washington Navy Yard, DC	0 mi N	Standard
20388	Washington Navy Yard, DC	0 mi N	Standard
20391	Washington Navy Yard, DC	0 mi N	Standard
20398	Washington Navy Yard, DC	0 mi N	Standard
20528	Washington, DC	0 mi N	Unique
20237	Washington, DC	0 mi SE	Unique
56902	Parcel Return Service, DC	0 mi E	Unique
56904	Parcel Return Service, DC	0 mi E	Unique
56945	Parcel Return Service, DC	0 mi E	Unique
56901	Parcel Return Service, DC	0 mi E	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20355 or measure the distance to another ZIP code.

How to address mail to 20355

JANE SMITH
123 MAIN ST
WASHINGTON DC 20355

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20355-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 20355?: 20355 is a Washington, District of Columbia ZIP code.
What county is 20355 in?: ZIP code 20355 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20355 in?: 20355 is in the Eastern Time zone (America/New_York).
What area code is 20355?: Phone numbers in ZIP code 20355 use area code 202.
Can I use 20355 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 20355?: The nearest ZIP codes to 20355 are 20373 (Naval Anacost Annex, 0 miles), 20374 (Washington Navy Yard, 0 miles), 20376 (Washington Navy Yard, 0 miles) and 20388 (Washington Navy Yard, 0 miles).