| Post Office Name | US Post Office |
| Address | 10644 Highway 120 |
| City | Marthaville |
| State | Louisiana |
| Phone Number | (318) 472-9942 |
| Latitude | 31.7926 |
| Longitude | -93.4001 |
71450 US Post Office in Marthaville, Louisiana is located at 10644 Highway 120. The Marthaville Post Office Number is (318) 472-9942
