Post Offices List in Jasper County, Illinois:
| Hidalgo Post Office | 117 E Harrison St, Hidalgo, IL 62432 |
| Newton Post Office | 201 W Jourdan St, Newton, IL 62448 |
| Sainte Marie Post Office | 104 N Main St, Sainte Marie, IL 62459 |
| West Liberty Post Office | 107 N Silver St, West Liberty, IL 62475 |
| Wheeler Post Office | 13244 N Main St, Wheeler, IL 62479 |
| Willow Hill Post Office | 201 N Cumberland St, Willow Hill, IL 62480 |
| Yale Post Office | 200 S Range St, Yale, IL 62481 |