| Post Office Name | US Post Office |
| Address | 109 Park St |
| City | Lyon |
| State | Mississippi |
| Phone Number | (662) 627-3372 |
| Latitude | 34.2601 |
| Longitude | -90.4870 |
38645 US Post Office in Lyon, Mississippi is located at 109 Park St. The Lyon Post Office Number is (662) 627-3372
