Post Offices List in Harvey County, Kansas:
| Burrton Post Office | 106 E Adams St, Burrton, KS 67020 |
| Halstead Post Office | 319 Main St, Halstead, KS 67056 |
| Hesston Post Office | 120 W Knott St, Hesston, KS 67062 |
| Newton Post Office | 400 N Poplar St, Newton, KS 67114 |
| North Newton Post Office | 2509 N Main St, North Newton, KS 67117 |
| Sedgwick Post Office | 415 N Commercial Ave, Sedgwick, KS 67135 |
| Walton Post Office | 301 S 2nd Ave, Walton, KS 67151 |