ZIP codes in Fauquier County
30 ZIPs touch Fauquier County, Virginia. The blue dashed line is the county border; orange ZIPs reach into it.
30
ZIP codes
14
cross the county line
218,364
people in these ZIPs
133
counties in VA
Most people
Fauquier County ZIP list
More counties in Virginia
- Dinwiddie County13
- Emporia city1
- Essex County9
- Fairfax County85
- Fairfax city3
- Falls Church city5
- Floyd County11
- Fluvanna County10
- Franklin County17
- Franklin city1
- Frederick County14
- Fredericksburg city5
Questions people actually ask
How many ZIP codes are in Fauquier County, Virginia?
30 ZIP codes reach into Fauquier County, including 6 PO Box or single-address ZIPs placed by the town they serve. 14 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Fauquier County has the most people?
22630 (Front Royal) has about 35,615 residents, the most of any ZIP touching Fauquier County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Fauquier County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Fauquier County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from