Post Offices List in Platte County, Wyoming:
| Chugwater Post Office | 237 2nd St, Chugwater, WY 82210 |
| Glendo Post Office | 118 N Yellowstone Hwy, Glendo, WY 82213 |
| Guernsey Post Office | 101 S Wyoming, Guernsey, WY 82214 |
| Hartville Post Office | 135 Main St, Hartville, WY 82215 |
| Wheatland Post Office | 852 Walnut St, Wheatland, WY 82201 |
| Wheatland Post Office | 852 Walnut St, Wheatland, WY 82201 |