What city is ZIP code 20103?

20103 is a Dulles, Virginia ZIP code.

What county is 20103 in?

ZIP code 20103 is in Loudoun County, Virginia.

What time zone is ZIP code 20103 in?

20103 is in the Eastern Time zone (America/New_York).

What area code is 20103?

Phone numbers in ZIP code 20103 use area code 571.

Can I use 20103 for a street address?

Only for mail to the organization it is assigned to. Other addresses in Dulles use a standard ZIP code.

What ZIP codes are near 20103?

The nearest ZIP codes to 20103 are 20101 (Dulles, 0.6 miles), 20189 (Dulles, 1 miles), 20163 (Sterling, 1.3 miles) and 20167 (Sterling, 1.3 miles).

ZIP code 20103

Where is ZIP code 20103?

Dulles, Virginia

Loudoun County · Unique ZIP code

ZIP code 20103 belongs to Dulles, Virginia in Loudoun County. 20103 is a unique ZIP code assigned to a single organization (Stamp Distribution Network) that gets a lot of mail. It is in the Eastern Time zone and uses area code 571. The closest ZIP codes are 20101 (Dulles, 0.6 mi northeast), 20189 (Dulles, 1 mi northeast) and 20163 (Sterling, 1.3 mi northeast).

ZIP code	20103
Type	Unique ZIP code for a single organization
Status	Active
City	Dulles
State	Virginia (VA)
County	Loudoun County
Time zone	Eastern Time · now
Area code	571
Coordinates	38.9962, -77.45 map
3-digit prefix	201

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 20103

ZIP code	City	Distance	Type
20101	Dulles, VA	0.6 mi NE	Unique
20189	Dulles, VA	1 mi NE	Standard
20163	Sterling, VA	1.3 mi NE	PO Box only
20167	Sterling, VA	1.3 mi NE	PO Box only
20166	Sterling, VA	1.6 mi SW	Standard
20147	Ashburn, VA	3.3 mi NW	Standard
20164	Sterling, VA	3.3 mi NE	Standard
20149	Ashburn, VA	3.9 mi NW	Unique
20172	Herndon, VA	3.9 mi SE	PO Box only
22095	Herndon, VA	3.9 mi SE	Unique
20148	Ashburn, VA	4.4 mi W	Standard
20170	Herndon, VA	4.5 mi E	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20103 or measure the distance to another ZIP code.

How to address mail to 20103

JANE SMITH
123 MAIN ST
DULLES VA 20103

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20103-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Dulles, VA

All Dulles ZIP codes with population and income →

Questions

What city is ZIP code 20103?: 20103 is a Dulles, Virginia ZIP code.
What county is 20103 in?: ZIP code 20103 is in Loudoun County, Virginia.
What time zone is ZIP code 20103 in?: 20103 is in the Eastern Time zone (America/New_York).
What area code is 20103?: Phone numbers in ZIP code 20103 use area code 571.
Can I use 20103 for a street address?: Only for mail to the organization it is assigned to. Other addresses in Dulles use a standard ZIP code.
What ZIP codes are near 20103?: The nearest ZIP codes to 20103 are 20101 (Dulles, 0.6 miles), 20189 (Dulles, 1 miles), 20163 (Sterling, 1.3 miles) and 20167 (Sterling, 1.3 miles).