Founded in 1975, Manassas Park is one of 38 independent cities in the state of Virginia. Historically, Manassas Park was formed from Prince William County. With FIPS code of 685, Manassas Park has a population of 17,002 and area of 2.5 square miles (6 km2).
List of all cities in Manassas Park City County, VA alphabetically
| City/Town | Postal Code | Area Code |
| Manassas, VA | 20113 | 703/571 |