What city is ZIP code 20555?

20555 is a Washington, District of Columbia ZIP code.

What county is 20555 in?

ZIP code 20555 is in District of Columbia, District of Columbia.

What time zone is ZIP code 20555 in?

20555 is in the Eastern Time zone (America/New_York).

What area code is 20555?

Phone numbers in ZIP code 20555 use area code 202.

Can I use 20555 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 20555?

The nearest ZIP codes to 20555 are 20435 (Washington, 0 miles), 20570 (Washington, 0.1 miles), 20232 (Washington, 0.1 miles) and 20433 (Washington, 0.1 miles).

ZIP code 20555

Where is ZIP code 20555?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20555 belongs to Washington, District of Columbia in District of Columbia. 20555 is a unique ZIP code assigned to a single organization (Nuclear Regulatory Comm) that gets a lot of mail. It is in the Eastern Time zone and uses area code 202. The closest ZIP codes are 20435 (Washington, 0 mi south), 20570 (Washington, 0.1 mi south) and 20232 (Washington, 0.1 mi northeast).

ZIP code	20555
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	38.9, -77.0401 map
3-digit prefix	205

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 20555

ZIP code	City	Distance	Type
20435	Washington, DC	0 mi S	Unique
20570	Washington, DC	0.1 mi S	Unique
20232	Washington, DC	0.1 mi NE	Unique
20433	Washington, DC	0.1 mi W	Unique
20456	Washington, DC	0.1 mi S	Unique
20506	Washington, DC	0.1 mi E	Unique
20503	Washington, DC	0.2 mi W	Unique
20062	Washington, DC	0.2 mi E	Unique
20431	Washington, DC	0.2 mi SW	Unique
20240	Washington, DC	0.2 mi S	Unique
20501	Washington, DC	0.2 mi SE	Unique
20502	Washington, DC	0.2 mi SE	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20555 or measure the distance to another ZIP code.

How to address mail to 20555

JANE SMITH
123 MAIN ST
WASHINGTON DC 20555

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20555-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 20555?: 20555 is a Washington, District of Columbia ZIP code.
What county is 20555 in?: ZIP code 20555 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20555 in?: 20555 is in the Eastern Time zone (America/New_York).
What area code is 20555?: Phone numbers in ZIP code 20555 use area code 202.
Can I use 20555 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 20555?: The nearest ZIP codes to 20555 are 20435 (Washington, 0 miles), 20570 (Washington, 0.1 miles), 20232 (Washington, 0.1 miles) and 20433 (Washington, 0.1 miles).