Post Offices List in Lake County, Michigan:
| Baldwin Post Office | 513 Michigan Ave, Baldwin, MI 49304 |
| Chase Post Office | 6958 S Depot St, Chase, MI 49623 |
| Idlewild Post Office | 812 E Essex, Idlewild, MI 49642 |
| Luther Post Office | 207 State St, Luther, MI 49656 |
| Irons Post Office | 5574 W 10 1/2 Mile Rd, Irons, MI 49644 |