Post Offices List in Nicollet County, Minnesota:
| Courtland Post Office | 213 Main St, Courtland, MN 56021 |
| Lafayette Post Office | 790 Main Ave, Lafayette, MN 56054 |
| Nicollet Post Office | 714 4th St, Nicollet, MN 56074 |
| Saint Peter Post Office | 300 S 3rd St, Saint Peter, MN 56082 |
| North Mankato Post Office | 245 Belgrade Ave, Mankato, MN 56003 |