What city is ZIP code 20427?

20427 is a Washington, District of Columbia ZIP code.

What county is 20427 in?

ZIP code 20427 is in District of Columbia, District of Columbia.

What time zone is ZIP code 20427 in?

20427 is in the Eastern Time zone (America/New_York).

What area code is 20427?

Phone numbers in ZIP code 20427 use area codes 202 and 771.

Can I use 20427 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 20427?

The nearest ZIP codes to 20427 are 20586 (Washington, 0 miles), 20437 (Washington, 0.1 miles), 20052 (Washington, 0.1 miles) and 20037 (Washington, 0.2 miles).

ZIP code 20427

Where is ZIP code 20427?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20427 belongs to Washington, District of Columbia in District of Columbia. 20427 is a unique ZIP code assigned to a single organization (Fed Mediation And Concil Ser) 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 20586 (Washington, 0 mi northeast), 20437 (Washington, 0.1 mi northwest) and 20052 (Washington, 0.1 mi south).

ZIP code	20427
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	38.9021, -77.0476 map
3-digit prefix	204

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 20427

ZIP code	City	Distance	Type
20586	Washington, DC	0 mi NE	Unique
20437	Washington, DC	0.1 mi NW	Unique
20052	Washington, DC	0.1 mi S	Unique
20037	Washington, DC	0.2 mi W	Standard
20027	Washington, DC	0.2 mi SW	PO Box only
20526	Washington, DC	0.2 mi E	Unique
20579	Washington, DC	0.2 mi NE	Unique
20063	Washington, DC	0.2 mi N	Unique
20203	Washington, DC	0.2 mi N	Unique
20503	Washington, DC	0.3 mi E	Unique
20433	Washington, DC	0.3 mi SE	Unique
20451	Washington, DC	0.3 mi SE	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20427 or measure the distance to another ZIP code.

How to address mail to 20427

JANE SMITH
123 MAIN ST
WASHINGTON DC 20427

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20427-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 20427?: 20427 is a Washington, District of Columbia ZIP code.
What county is 20427 in?: ZIP code 20427 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20427 in?: 20427 is in the Eastern Time zone (America/New_York).
What area code is 20427?: Phone numbers in ZIP code 20427 use area codes 202 and 771.
Can I use 20427 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 20427?: The nearest ZIP codes to 20427 are 20586 (Washington, 0 miles), 20437 (Washington, 0.1 miles), 20052 (Washington, 0.1 miles) and 20037 (Washington, 0.2 miles).