Post Offices List in Bremer County, Iowa:
| Denver Post Office | 340 S State St, Denver, IA 50622 |
| Frederika Post Office | 104 3rd St, Frederika, IA 50631 |
| Janesville Post Office | 401 Main St, Janesville, IA 50647 |
| Plainfield Post Office | 720 Main St, Plainfield, IA 50666 |
| Readlyn Post Office | 218 Main St, Readlyn, IA 50668 |
| Sumner Post Office | 113 S Carpenter St, Sumner, IA 50674 |
| Tripoli Post Office | 114 S Main St, Tripoli, IA 50676 |
| Waverly Post Office | 124 2nd St Se, Waverly, IA 50677 |