| Post Office Name | US Post Office |
| Address | 108000 US-89 |
| City | Etna |
| State | Wyoming |
| Phone Number | (307) 883-2220 |
| Latitude | 43.2477 |
| Longitude | -110.9362 |
83118 US Post Office in Etna, Wyoming is located at 108000 US-89. The Etna Post Office Number is (307) 883-2220
