Post Offices List in Henry County, Iowa:
| Mount Pleasant Post Office | 200 N Jefferson St, Mount Pleasant, IA 52641 |
| Mount Union Post Office | 206 W Railroad St, Mount Union, IA 52644 |
| New London Post Office | 107 S Walnut St, New London, IA 52645 |
| Olds Post Office | 110 S Main St, Olds, IA 52647 |
| Salem Post Office | 103a S Main St, Salem, IA 52649 |
| Swedesburg Post Office | 101 James Ave, Swedesburg, IA 52652 |
| Wayland Post Office | 209 W Main St, Wayland, IA 52654 |
| Winfield Post Office | 107 W Pine St, Winfield, IA 52659 |