| Hanna Post Office |
5 W Young St, Hanna, IN 46340 |
| Kingsbury Post Office |
5164 S Us Highway 35, Kingsbury, IN 46345 |
| Kingsford Heights Post Office |
423 Park Rd, Kingsford Heights, IN 46346 |
| La Crosse Post Office |
16 W Main St, La Crosse, IN 46348 |
| La Porte Post Office |
1201 Lincolnway, La Porte, IN 46350 |
| Marquette Mall Post Office |
450 St John Rd, Michigan City, IN 46360 |
| Michigan City Post Office |
303 Washington St, Michigan City, IN 46360 |
| MIll Creek Post Office |
1618 S 875 E, Mill Creek, IN 46365 |
| Rolling Prairie Post Office |
3 S Depot St, Rolling Prairie, IN 46371 |
| Union Mills Post Office |
609 Water St, Union Mills, IN 46382 |
| Wanatah Post Office |
104 S Illinois St, Wanatah, IN 46390 |
| Westville Post Office |
201 Plain St, Westville, IN 46391 |
