Founded in Apr 1, 1850, Fulton County is one of 88 counties in the state of Ohio. Historically, Fulton County was formed from Lucas, Henry, and Williams Counties. The city of Wauseon is the county seat. With FIPS code of 51, Fulton County has a population of 42,450 and area of 406.78 square miles (1,054 km2).
List of all cities in Fulton County, OH alphabetically
| City/Town | Postal Code | Area Code |
| Archbold, OH | 43502 | 419/567 |
| Delta, OH | 43515 | 419/567 |
| Fayette, OH | 43521 | 419/567 |
| Lyons, OH | 43533 | 419/567 |
| Metamora, OH | 43540 | 419/567 |
| Pettisville, OH | 43553 | 419/567 |
| Swanton, OH | 43558 | 419/567 |
| Wauseon, OH | 43567 | 419/567 |