ZIP CodesZIP codes in Nicollet County, Minnesota
Nicollet County, Minnesota has 5 ZIP codes in this list, from 56003 to 56082. They cover 5 places, among them Mankato, Courtland, Lafayette and Nicollet.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 56003 | Mankato | 44.0 | 44.217, -94.094 |
| 56021 | Courtland | 35.8 | 44.279, -94.348 |
| 56054 | Lafayette | 53.6 | 44.407, -94.436 |
| 56074 | Nicollet | 77.8 | 44.272, -94.187 |
| 56082 | Saint Peter | 124 | 44.335, -93.981 |
The ZIP code areas of Nicollet County add up to about 335 square miles of land (869 sq km) as the Census Bureau draws them. The largest is 56082 (Saint Peter), with 124 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Mankato, MN 56003.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.