| Post Office Name | US Post Office |
| Address | 107 S Maryville St |
| City | Calmar |
| State | Iowa |
| Phone Number | (563) 562-3385 |
| Latitude | 43.2097 |
| Longitude | -91.9613 |
52132 US Post Office in Calmar, Iowa is located at 107 S Maryville St. The Calmar Post Office Number is (563) 562-3385
