What city is ZIP code 20551?

20551 is a Washington, District of Columbia ZIP code.

What county is 20551 in?

ZIP code 20551 is in District of Columbia, District of Columbia.

What time zone is ZIP code 20551 in?

20551 is in the Eastern Time zone (America/New_York).

What area code is 20551?

Phone numbers in ZIP code 20551 use area codes 202 and 771.

Can I use 20551 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 20551?

The nearest ZIP codes to 20551 are 20520 (Washington, 0.2 miles), 20522 (Washington, 0.2 miles), 20523 (Washington, 0.2 miles) and 20006 (Washington, 0.3 miles).

ZIP code 20551

Where is ZIP code 20551?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20551 belongs to Washington, District of Columbia in District of Columbia. 20551 is a unique ZIP code assigned to a single organization (Federal Reserve Board) that gets a lot of mail. It is in the Eastern Time zone and uses area codes 202 and 771. The closest ZIP codes are 20520 (Washington, 0.2 mi west), 20522 (Washington, 0.2 mi west) and 20523 (Washington, 0.2 mi northwest).

ZIP code	20551
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 codes	202, 771
Coordinates	38.892, -77.0452 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 20551

ZIP code	City	Distance	Type
20520	Washington, DC	0.2 mi W	Unique
20522	Washington, DC	0.2 mi W	Unique
20523	Washington, DC	0.2 mi NW	Unique
20006	Washington, DC	0.3 mi N	Standard
20451	Washington, DC	0.4 mi N	Unique
20240	Washington, DC	0.4 mi NE	Unique
20431	Washington, DC	0.5 mi N	Unique
20355	Washington, DC	0.5 mi NE	Unique
20373	Naval Anacost Annex, DC	0.5 mi NE	Unique
20374	Washington Navy Yard, DC	0.5 mi NE	Standard
20376	Washington Navy Yard, DC	0.5 mi NE	Standard
20388	Washington Navy Yard, DC	0.5 mi NE	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20551 or measure the distance to another ZIP code.

How to address mail to 20551

JANE SMITH
123 MAIN ST
WASHINGTON DC 20551

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20551-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 20551?: 20551 is a Washington, District of Columbia ZIP code.
What county is 20551 in?: ZIP code 20551 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20551 in?: 20551 is in the Eastern Time zone (America/New_York).
What area code is 20551?: Phone numbers in ZIP code 20551 use area codes 202 and 771.
Can I use 20551 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 20551?: The nearest ZIP codes to 20551 are 20520 (Washington, 0.2 miles), 20522 (Washington, 0.2 miles), 20523 (Washington, 0.2 miles) and 20006 (Washington, 0.3 miles).