Post Offices List in Phillips County, Kansas:
| Agra Post Office | 317 Main St, Agra, KS 67621 |
| Kirwin Post Office | 9 Square St, Kirwin, KS 67644 |
| Logan Post Office | 206 W Main St, Logan, KS 67646 |
| Long Island Post Office | 335 Washington Ave, Long Island, KS 67647 |
| Phillipsburg Post Office | 888 2nd St, Phillipsburg, KS 67661 |
| Prairie View Post Office | 401 Main St, Prairie View, KS 67664 |