Post Offices List in Colby City, Kansas:
| Colby Post Office | 535 N Court Ave, Colby, KS 67701 |
| Colby Post Office | 535 N Court Ave, Colby, KS 67701 |
| Colby Post Office | 535 N Court Ave, Colby, KS 67701 |
| Colby Post Office | 535 N Court Ave, Colby, KS 67701 |