What city is ZIP code 20523?

20523 is a Washington, District of Columbia ZIP code.

What county is 20523 in?

ZIP code 20523 is in District of Columbia, District of Columbia.

What time zone is ZIP code 20523 in?

20523 is in the Eastern Time zone (America/New_York).

What area code is 20523?

Phone numbers in ZIP code 20523 use area code 202.

Can I use 20523 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 20523?

The nearest ZIP codes to 20523 are 20520 (Washington, 0.1 miles), 20522 (Washington, 0.1 miles), 20006 (Washington, 0.2 miles) and 20551 (Washington, 0.2 miles).

ZIP code 20523

Where is ZIP code 20523?

Washington, District of Columbia

District of Columbia · Unique ZIP code

ZIP code 20523 belongs to Washington, District of Columbia in District of Columbia. 20523 is a unique ZIP code assigned to a single organization (Dept Of State Intrntl Div) that gets a lot of mail. It is in the Eastern Time zone and uses area code 202. The closest ZIP codes are 20520 (Washington, 0.1 mi southwest), 20522 (Washington, 0.1 mi southwest) and 20006 (Washington, 0.2 mi northeast).

ZIP code	20523
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	38.8945, -77.0478 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 20523

ZIP code	City	Distance	Type
20520	Washington, DC	0.1 mi SW	Unique
20522	Washington, DC	0.1 mi SW	Unique
20006	Washington, DC	0.2 mi NE	Standard
20551	Washington, DC	0.2 mi SE	Unique
20451	Washington, DC	0.3 mi NE	Unique
20052	Washington, DC	0.4 mi N	Unique
20431	Washington, DC	0.4 mi NE	Unique
20240	Washington, DC	0.4 mi NE	Unique
20027	Washington, DC	0.4 mi N	PO Box only
20566	Washington, DC	0.4 mi NW	Unique
20456	Washington, DC	0.5 mi NE	Unique
20433	Washington, DC	0.5 mi NE	Unique

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20523 or measure the distance to another ZIP code.

How to address mail to 20523

JANE SMITH
123 MAIN ST
WASHINGTON DC 20523

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20523-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 20523?: 20523 is a Washington, District of Columbia ZIP code.
What county is 20523 in?: ZIP code 20523 is in District of Columbia, District of Columbia.
What time zone is ZIP code 20523 in?: 20523 is in the Eastern Time zone (America/New_York).
What area code is 20523?: Phone numbers in ZIP code 20523 use area code 202.
Can I use 20523 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 20523?: The nearest ZIP codes to 20523 are 20520 (Washington, 0.1 miles), 20522 (Washington, 0.1 miles), 20006 (Washington, 0.2 miles) and 20551 (Washington, 0.2 miles).