Post Offices List in Lac qui Parle County, Minnesota:
| Bellingham Post Office | 305 2nd St S, Bellingham, MN 56212 |
| Boyd Post Office | 112 3rd St, Boyd, MN 56218 |
| Dawson Post Office | 640 6th St, Dawson, MN 56232 |
| Madison Post Office | 711 1st St W, Madison, MN 56256 |
| Marietta Post Office | 200 3rd Ave N, Marietta, MN 56257 |