ZIP code 20163
Where is ZIP code 20163?
Sterling, Virginia
Loudoun County · PO Box only ZIP code
ZIP code 20163 belongs to Sterling, Virginia in Loudoun County. 20163 is a PO Box only ZIP code: it is used for post office boxes at the Sterling post office, not for street addresses. It is in the Eastern Time zone and uses area codes 571 and 703. The closest ZIP codes are 20167 (Sterling, 0 mi north), 20189 (Dulles, 0.8 mi west) and 20101 (Dulles, 0.8 mi west).
| ZIP code | 20163 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Sterling |
| State | Virginia (VA) |
| County | Loudoun County |
| Time zone | Eastern Time · now |
| Area codes | 571, 703 |
| Coordinates | 39.0062, -77.4286 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 20163
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20167 | Sterling, VA | 0 mi N | PO Box only |
| 20189 | Dulles, VA | 0.8 mi W | Standard |
| 20101 | Dulles, VA | 0.8 mi W | Unique |
| 20103 | Dulles, VA | 1.3 mi SW | Unique |
| 20164 | Sterling, VA | 2 mi NE | Standard |
| 20166 | Sterling, VA | 2.9 mi SW | Standard |
| 20172 | Herndon, VA | 3.4 mi SE | PO Box only |
| 22095 | Herndon, VA | 3.4 mi SE | Unique |
| 20147 | Ashburn, VA | 3.5 mi NW | Standard |
| 20165 | Sterling, VA | 3.6 mi NE | Standard |
| 20170 | Herndon, VA | 3.6 mi SE | Standard |
| 20149 | Ashburn, VA | 4.1 mi NW | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20163 or measure the distance to another ZIP code.
How to address mail to 20163
PO BOX 123
STERLING VA 20163
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (20163-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Sterling, VA
All Sterling ZIP codes with population and income →
Questions
- What city is ZIP code 20163?
- 20163 is a Sterling, Virginia ZIP code.
- What county is 20163 in?
- ZIP code 20163 is in Loudoun County, Virginia.
- What time zone is ZIP code 20163 in?
- 20163 is in the Eastern Time zone (America/New_York).
- What area code is 20163?
- Phone numbers in ZIP code 20163 use area codes 571 and 703.
- Can I use 20163 for a street address?
- No. 20163 is only for PO Boxes. Street addresses in Sterling use 20164, 20165, 20166.
- What ZIP codes are near 20163?
- The nearest ZIP codes to 20163 are 20167 (Sterling, 0 miles), 20189 (Dulles, 0.8 miles), 20101 (Dulles, 0.8 miles) and 20103 (Dulles, 1.3 miles).