Sterling, VA ZIP Codes
Sterling, Virginia has 5 ZIP codes: 3 for street addresses (, and ) and 2 for PO boxes ( and ).
Your street decides which one you use.
Which Sterling ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Sterling ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
20163 and 20167 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: the Sterling Census outline.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Sterling ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 20163 | PO boxes at the Sterling post office Sterling |
| 20164 | street delivery Sterling |
| 20165 | street delivery Potomac Falls |
| 20166 | street delivery Potomac Falls |
| 20167 | PO boxes at the Sterling post office Sterling |
Why your mail may say Sterling when you live outside it
Sterling ZIP codes also cover Cascades, Lowes Island and Countryside, so a letter addressed to Sterling can go to a home outside the town.
A ZIP code does not set your city, school district or tax. Loudoun County property records show which city you are in.
Sterling ZIP code questions
What is the main ZIP code for Sterling?
20164, the ZIP code of the main Sterling post office at 150 S Sterling Blvd.
Which Sterling ZIP codes are for PO boxes only?
20163 and 20167. Mail to them goes to boxes at the post office, not to street addresses.
What county is Sterling in?
Loudoun County.
ZIP codes for towns near Sterling
More towns near Sterling: Potomac, Centreville, McLean, Germantown, Rockville, Gaithersburg, West Falls Church, Bethesda, North Bethesda.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections