ZIP codes in Falls Church city
5 ZIPs touch Falls Church city, Virginia. The blue dashed line is the county border; orange ZIPs reach into it.
5
ZIP codes
4
cross the county line
93,398
people in these ZIPs
133
counties in VA
Most people
Falls Church city ZIP list
More counties in Virginia
- Dickenson County12
- Dinwiddie County13
- Emporia city1
- Essex County9
- Fairfax County85
- Fairfax city3
- Fauquier County30
- Floyd County11
- Fluvanna County10
- Franklin County17
- Franklin city1
- Frederick County14
Questions people actually ask
How many ZIP codes are in Falls Church city, Virginia?
5 ZIP codes reach into Falls Church city, including 1 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Falls Church city has the most people?
22042 (Falls Church) has about 35,483 residents, the most of any ZIP touching Falls Church city, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Falls Church city 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 Falls Church city. 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