| Post Office Name | US Post Office |
| Address | 112 Barnes Ave |
| City | Seneca |
| State | Oregon |
| Phone Number | (541) 542-2232 |
| Latitude | 44.1182 |
| Longitude | -119.2527 |
97873 US Post Office in Seneca, Oregon is located at 112 Barnes Ave. The Seneca Post Office Number is (541) 542-2232
