Founded in 1872, Frontier County is one of 93 counties in the state of Nebraska. Historically, Frontier County was formed from unorganized territory. The city of Stockville is the county seat. With FIPS code of 63, Frontier County has a population of 2,555 and area of 975 square miles (2,525 km2).
List of all cities in Frontier County, NE alphabetically
| City/Town | Postal Code | Area Code |
| Curtis, NE | 69025 | 308 |
| Eustis, NE | 69028 | 308 |
| Maywood, NE | 69038 | 308 |
| Moorefield, NE | 69039 | 308 |
| Stockville, NE | 69042 | 308 |