| Post Office Name | US Post Office |
| Address | 114 F St |
| City | Cosmopolis |
| State | Washington |
| Phone Number | (360) 533-3305 |
| Latitude | 46.9401 |
| Longitude | -123.7506 |
98537 US Post Office in Cosmopolis, Washington is located at 114 F St. The Cosmopolis Post Office Number is (360) 533-3305
