15 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 22193 | Woodbridge | 83,796 |
| 22191 | Woodbridge | 72,215 |
| 22192 | Woodbridge | 59,238 |
| 20109 | Manassas | 44,781 |
| 20111 | Manassas | 37,461 |
| 20155 | Gainesville | 37,106 |
| 20136 | Bristow | 31,733 |
| 20112 | Manassas | 28,856 |
| 20169 | Haymarket | 28,346 |
| 22026 | Dumfries | 19,938 |
| 22025 | Dumfries | 19,280 |
| 22172 | Triangle | 11,823 |
| 20181 | Nokesville | 10,258 |
| 22125 | Occoquan | 874 |
| 20143 | Catharpin | 534 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 15 ZCTAs in Prince William County, Virginia (US Census).