Post Offices List in Barber County, Kansas:
| Hardtner Post Office | 109 S Main St, Hardtner, KS 67057 |
| Isabel Post Office | 122 N Main St, Isabel, KS 67065 |
| Kiowa Post Office | 602 Main St, Kiowa, KS 67070 |
| Medicine Lodge Post Office | 108 W Kansas Ave, Medicine Lodge, KS 67104 |
| Sharon Post Office | 108 S Broadway St, Sharon, KS 67138 |
| Sun City Post Office | 102 E Walnut St, Sun City, KS 67143 |