Post Offices List in Benton County, Indiana:
| Ambia Post Office | 109 E Oak St, Ambia, IN 47917 |
| Boswell Post Office | 302 E Spies St, Boswell, IN 47921 |
| Earl Park Post Office | 106 W 5th St, Earl Park, IN 47942 |
| Fowler Post Office | 114 S Madison Ave, Fowler, IN 47944 |
| Otterbein Post Office | 105 S Main St, Otterbein, IN 47970 |
| Oxford Post Office | 209 S Howard St, Oxford, IN 47971 |