What city is ZIP code 20172?

20172 is a Herndon, Virginia ZIP code.

What county is 20172 in?

ZIP code 20172 is in Fairfax County, Virginia.

What time zone is ZIP code 20172 in?

20172 is in the Eastern Time zone (America/New_York).

What area code is 20172?

Phone numbers in ZIP code 20172 use area code 571.

Can I use 20172 for a street address?

No. 20172 is only for PO Boxes. Street addresses in Herndon use 20170, 20171.

What ZIP codes are near 20172?

The nearest ZIP codes to 20172 are 22095 (Herndon, 0 miles), 20170 (Herndon, 1.4 miles), 20190 (Reston, 2.4 miles) and 20194 (Reston, 2.5 miles).

ZIP code 20172

Where is ZIP code 20172?

Herndon, Virginia

Fairfax County · PO Box only ZIP code

ZIP code 20172 belongs to Herndon, Virginia in Fairfax County. 20172 is a PO Box only ZIP code: it is used for post office boxes at the Herndon post office, not for street addresses. It is in the Eastern Time zone and uses area code 571. The closest ZIP codes are 22095 (Herndon, 0 mi north), 20170 (Herndon, 1.4 mi northeast) and 20190 (Reston, 2.4 mi east).

ZIP code	20172
Type	PO Box only (no street delivery)
Status	Active
City	Herndon
State	Virginia (VA)
County	Fairfax County
Time zone	Eastern Time · now
Area code	571
Coordinates	38.9696, -77.3861 map
3-digit prefix	201

The Census Bureau doesn’t publish population figures for po box only 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 20172

ZIP code	City	Distance	Type
22095	Herndon, VA	0 mi N	Unique
20170	Herndon, VA	1.4 mi NE	Standard
20190	Reston, VA	2.4 mi E	Standard
20194	Reston, VA	2.5 mi E	Standard
20171	Herndon, VA	3.1 mi S	Standard
20191	Reston, VA	3.2 mi SE	Standard
20163	Sterling, VA	3.4 mi NW	PO Box only
20167	Sterling, VA	3.4 mi NW	PO Box only
20101	Dulles, VA	3.8 mi NW	Unique
20164	Sterling, VA	3.8 mi N	Standard
20103	Dulles, VA	3.9 mi NW	Unique
20189	Dulles, VA	4.1 mi NW	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20172 or measure the distance to another ZIP code.

How to address mail to 20172

JANE SMITH
PO BOX 123
HERNDON VA 20172

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20172-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Herndon, VA

All Herndon ZIP codes with population and income →

Questions

What city is ZIP code 20172?: 20172 is a Herndon, Virginia ZIP code.
What county is 20172 in?: ZIP code 20172 is in Fairfax County, Virginia.
What time zone is ZIP code 20172 in?: 20172 is in the Eastern Time zone (America/New_York).
What area code is 20172?: Phone numbers in ZIP code 20172 use area code 571.
Can I use 20172 for a street address?: No. 20172 is only for PO Boxes. Street addresses in Herndon use 20170, 20171.
What ZIP codes are near 20172?: The nearest ZIP codes to 20172 are 22095 (Herndon, 0 miles), 20170 (Herndon, 1.4 miles), 20190 (Reston, 2.4 miles) and 20194 (Reston, 2.5 miles).