| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 55332 | Fairfax | Renville County | Standard |
| 55335 | Gibbon | Sibley County | Standard |
| 56001 | Mankato | Blue Earth County | Standard |
| 56002 | Mankato | Blue Earth County | PO Box |
| 56003 | Mankato | Nicollet County | Standard |
| 56010 | Amboy | Blue Earth County | Standard |
| 56021 | Courtland | Nicollet County | Standard |
| 56024 | Eagle Lake | Blue Earth County | Standard |
| 56034 | Garden City | Blue Earth County | Standard |
| 56037 | Good Thunder | Blue Earth County | Standard |
| 56048 | Janesville | Waseca County | Standard |
| 56054 | Lafayette | Nicollet County | Standard |
| 56055 | Lake Crystal | Blue Earth County | Standard |
| 56058 | Le Sueur | Le Sueur County | Standard |
| 56062 | Madelia | Watonwan County | Standard |
| 56063 | Madison Lake | Blue Earth County | Standard |
| 56065 | Mapleton | Blue Earth County | Standard |
| 56068 | Minnesota Lake | Faribault County | Standard |
| 56073 | New Ulm | Brown County | Standard |
| 56074 | Nicollet | Nicollet County | Standard |
| 56078 | Pemberton | Waseca County | Standard |
| 56080 | Saint Clair | Blue Earth County | PO Box |
| 56082 | Saint Peter | Nicollet County | Standard |
| 56088 | Truman | Martin County | Standard |
| 56090 | Vernon Center | Blue Earth County | Standard |