Post Offices List in Riley County, Kansas:
| Leonardville Post Office | 103 W Barton Rd, Leonardville, KS 66449 |
| Manhattan Post Office | 500 Leavenworth St, Manhattan, KS 66502 |
| Ogden Post Office | 310 Riley Ave, Ogden, KS 66517 |
| Randolph Post Office | 117 W Randolph St, Randolph, KS 66554 |
| Riley Post Office | 122 S Broadway St, Riley, KS 66531 |
| Fort Riley Post Office | 5302 Ashby Ave, Fort Riley, KS 66442 |