Founded in 1870, Petersburg is one of 38 independent cities in the state of Virginia. Historically, Petersburg was formed from Prince George and Dinwiddie Counties. With FIPS code of 730, Petersburg has a population of 33,429 and area of 23 square miles (60 km2).
List of all cities in Petersburg City County, VA alphabetically
| City/Town | Postal Code | Area Code |
| Ettrick, VA | 23803 | 804 |
| Matoaca, VA | 23803 | 804 |
| Petersburg, VA | 23803 | 804 |
| 23804 | 804 | |
| 23805 | 804 | |
| 23806 | 804 | |
| Virginia State University, VA | 23806 | 804 |
| Walnut Hill, VA | 23805 | 804 |