What city is ZIP code 20542?

20542 is a Washington, District of Columbia ZIP code.

What county is 20542 in?

ZIP code 20542 is in District of Columbia, District of Columbia.

What time zone is ZIP code 20542 in?

20542 is in the Eastern Time zone (America/New_York).

What area code is 20542?

Phone numbers in ZIP code 20542 use area codes 202 and 771.

Can I use 20542 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 20542?

The nearest ZIP codes to 20542 are 20022 (Washington, 0.5 miles), 20010 (Washington, 0.6 miles), 20011 (Washington, 0.9 miles) and 20317 (Washington, 0.9 miles).

ZIP code 20542

Where is ZIP code 20542?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20542 belongs to Washington, District of Columbia in District of Columbia. 20542 is a unique ZIP code assigned to a single organization (Library Of Congress Handicap) 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 20022 (Washington, 0.5 mi northwest), 20010 (Washington, 0.6 mi south) and 20011 (Washington, 0.9 mi northeast).

ZIP code	20542
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	38.9408, -77.0283 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 20542

ZIP code	City	Distance	Type
20022	Washington, DC	0.5 mi NW	PO Box only
20010	Washington, DC	0.6 mi S	Standard
20011	Washington, DC	0.9 mi NE	Standard
20317	Washington, DC	0.9 mi E	Unique
20441	Washington, DC	1.2 mi S	Unique
20009	Washington, DC	1.5 mi S	Standard
20060	Washington, DC	1.6 mi S	Unique
20008	Washington, DC	1.7 mi W	Standard
20064	Washington, DC	1.8 mi E	Unique
20017	Washington, DC	1.9 mi E	Standard
20001	Washington, DC	2.1 mi S	Standard
20440	Washington, DC	2.1 mi SW	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20542 or measure the distance to another ZIP code.

How to address mail to 20542

JANE SMITH
123 MAIN ST
WASHINGTON DC 20542

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20542-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 20542?: 20542 is a Washington, District of Columbia ZIP code.
What county is 20542 in?: ZIP code 20542 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20542 in?: 20542 is in the Eastern Time zone (America/New_York).
What area code is 20542?: Phone numbers in ZIP code 20542 use area codes 202 and 771.
Can I use 20542 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 20542?: The nearest ZIP codes to 20542 are 20022 (Washington, 0.5 miles), 20010 (Washington, 0.6 miles), 20011 (Washington, 0.9 miles) and 20317 (Washington, 0.9 miles).