Post Offices List in Newton County, Missouri:
| Diamond Post Office | 103 E Market St, Diamond, MO 64840 |
| Fairview Post Office | 101 W Main St, Fairview, MO 64842 |
| Granby Post Office | 126 S Main St, Granby, MO 64844 |
| Neosho Post Office | 101 E Hickory St, Neosho, MO 64850 |
| Racine Post Office | 11945 W Highway 86, Racine, MO 64858 |
| Saginaw Post Office | 5301 S Range Line Rd, Saginaw, MO 64864 |
| Seneca Post Office | 1205 Cherokee Ave, Seneca, MO 64865 |
| Stark City Post Office | 302 Kent St, Stark City, MO 64866 |