Prince William County, Virginia ZIP codes
21 ZIP codes are in Prince William County, plus 4 that cross in from neighboring counties. It's part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area.
- ZIP codes
- 21
- Population in these ZIPs
- 493,241
- Avg. median income
- $134,800population-weighted
- Cities & towns
- 11
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Prince William County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 20109 | Manassas | 45,444 | $89,962 | $448,900 |
| 20111 | Manassas | 38,124 | $113,879 | $514,500 |
| 20112 | Manassas | 30,500 | $195,467 | $734,400 |
| 20136 | Bristow | 32,325 | $183,750 | $733,900 |
| 20143 | Catharpin | 1,070 | $176,250 | $1,093,400 |
| 20155 | Gainesville | 37,486 | $164,279 | $742,100 |
| 20156 PO Box | Gainesville | — | — | — |
| 20168 PO Box | Haymarket | — | — | — |
| 20169 | Haymarket | 28,089 | $203,051 | $823,100 |
| 20181 | Nokesville | 10,774 | $164,167 | $805,600 |
| 20182 PO Box | Nokesville | — | — | — |
| 22025 | Dumfries | 19,356 | $150,306 | $574,700 |
| 22026 | Dumfries | 22,897 | $124,318 | $573,400 |
| 22125 | Occoquan | 681 | $161,364 | $550,400 |
| 22135 PO Box | Quantico | — | — | — |
| 22172 | Triangle | 11,490 | $109,956 | $533,000 |
| 22191 | Woodbridge | 73,623 | $109,316 | $480,600 |
| 22192 | Woodbridge | 59,794 | $127,177 | $515,200 |
| 22193 | Woodbridge | 81,588 | $117,337 | $502,200 |
| 22194 PO Box | Woodbridge | — | — | — |
| 22195 PO Box | Woodbridge | — | — | — |
ZIP codes partly in Prince William County
These ZIP codes are mostly in a neighboring county but cover part of Prince William County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 20110 | Manassas | Manassas city | 49,890 | $118,486 | $504,600 |
| 20119 | Catlett | Fauquier County | 3,416 | $115,757 | $656,100 |
| 20137 | Broad Run | Fauquier County | 1,938 | $191,974 | $812,700 |
| 22134 | Quantico | Stafford County | 8,310 | $70,268 | $318,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Prince William County
Nearby counties
Frequently asked questions
How many ZIP codes are in Prince William County, Virginia?
21 ZIP codes are mainly in Prince William County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Prince William County?
ZIP codes in Prince William County use the city names Bristow, Catharpin, Dumfries, Gainesville, Haymarket, Manassas, Nokesville, Occoquan, Quantico, Triangle and Woodbridge.
What metro area is Prince William County in?
Prince William County is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area.