What city is ZIP code 20418?

20418 is a Washington, District of Columbia ZIP code.

What county is 20418 in?

ZIP code 20418 is in District of Columbia, District of Columbia.

What time zone is ZIP code 20418 in?

20418 is in the Eastern Time zone (America/New_York).

What area code is 20418?

Phone numbers in ZIP code 20418 use area codes 202 and 771.

Can I use 20418 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 20418?

The nearest ZIP codes to 20418 are 20037 (Washington, 0.4 miles), 20027 (Washington, 0.5 miles), 20437 (Washington, 0.5 miles) and 20566 (Washington, 0.5 miles).

ZIP code 20418

Where is ZIP code 20418?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20418 belongs to Washington, District of Columbia in District of Columbia. 20418 is a unique ZIP code assigned to a single organization (National Academy Of Science) 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 20037 (Washington, 0.4 mi southeast), 20027 (Washington, 0.5 mi southeast) and 20437 (Washington, 0.5 mi east).

ZIP code	20418
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	38.9043, -77.0572 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 20418

ZIP code	City	Distance	Type
20037	Washington, DC	0.4 mi SE	Standard
20027	Washington, DC	0.5 mi SE	PO Box only
20437	Washington, DC	0.5 mi E	Unique
20566	Washington, DC	0.5 mi S	Unique
20427	Washington, DC	0.5 mi E	Unique
20586	Washington, DC	0.5 mi E	Unique
20063	Washington, DC	0.6 mi E	Unique
20203	Washington, DC	0.6 mi E	Unique
20052	Washington, DC	0.6 mi SE	Unique
20579	Washington, DC	0.7 mi E	Unique
20526	Washington, DC	0.7 mi E	Unique
20235	Washington, DC	0.8 mi N	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20418 or measure the distance to another ZIP code.

How to address mail to 20418

JANE SMITH
123 MAIN ST
WASHINGTON DC 20418

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20418-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 20418?: 20418 is a Washington, District of Columbia ZIP code.
What county is 20418 in?: ZIP code 20418 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20418 in?: 20418 is in the Eastern Time zone (America/New_York).
What area code is 20418?: Phone numbers in ZIP code 20418 use area codes 202 and 771.
Can I use 20418 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 20418?: The nearest ZIP codes to 20418 are 20037 (Washington, 0.4 miles), 20027 (Washington, 0.5 miles), 20437 (Washington, 0.5 miles) and 20566 (Washington, 0.5 miles).