Founded in 1858, Buchanan County is one of 95 counties in the state of Virginia. Historically, Buchanan County was formed from Russell and Tazewell counties. The city of Grundy is the county seat. With FIPS code of 27, Buchanan County has a population of 19,816 and area of 504 square miles (1,305 km2).
List of all cities in Buchanan County, VA alphabetically
| City/Town | Postal Code | Area Code |
| Big Rock, VA | 24603 | 276 |
| Conaway, VA | 24603 | 276 |
| Davenport, VA | 24239 | 276 |
| Grundy, VA | 24614 | 276 |
| Harman, VA | 24628 | 276 |
| Hurley, VA | 24620 | 276 |
| Keen Mountain, VA | 24624 | 276 |
| Mavisdale, VA | 24627 | 276 |
| Maxie, VA | 24628 | 276 |
| Oakwood, VA | 24631 | 276 |
| Patterson, VA | 24631 | 276 |
| Pilgrims Knob, VA | 24634 | 276 |
| Raven, VA | 24639 | 276 |
| Rowe, VA | 24646 | 276 |
| Royal City, VA | 24614 | 276 |
| Shortt Gap, VA | 24647 | 276 |
| Stacy, VA | 24614 | 276 |
| Vansant, VA | 24656 | 276 |
| Whitewood, VA | 24657 | 276 |
| Wolford, VA | 24658 | 276 |