Post Offices List in Wayne County, Iowa:
| Allerton Post Office | 108 N Central Ave, Allerton, IA 50008 |
| Corydon Post Office | 215 W State St, Corydon, IA 50060 |
| Humeston Post Office | 117 Broad St, Humeston, IA 50123 |
| Lineville Post Office | 220 Brown St, Lineville, IA 50147 |
| Promise City Post Office | 105 N Center St, Promise City, IA 52583 |
| Seymour Post Office | 230 N 4th St, Seymour, IA 52590 |