15 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 22193 | Woodbridge | 83,798 |
| 22191 | Woodbridge | 73,755 |
| 22192 | Woodbridge | 59,034 |
| 20109 | Manassas | 44,161 |
| 20111 | Manassas | 38,153 |
| 20155 | Gainesville | 37,516 |
| 20136 | Bristow | 31,204 |
| 20112 | Manassas | 29,617 |
| 20169 | Haymarket | 28,696 |
| 22026 | Dumfries | 21,025 |
| 22025 | Dumfries | 18,934 |
| 22172 | Triangle | 12,046 |
| 20181 | Nokesville | 10,128 |
| 22125 | Occoquan | 839 |
| 20143 | Catharpin | 744 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 15 ZCTAs in Prince William County, Virginia (US Census).