Post Offices List in Fayette County, Illinois:
| Beecher City Post Office | 101 S Sweazy St, Beecher City, IL 62414 |
| Brownstown Post Office | 102 E Main St, Brownstown, IL 62418 |
| Farina Post Office | 306 W Madison St, Farina, IL 62838 |
| Ramsey Post Office | 320 S Superior St, Ramsey, IL 62080 |
| Saint Elmo Post Office | 112 E 5th St, Saint Elmo, IL 62458 |
| Saint Peter Post Office | 109 E 3rd St, Saint Peter, IL 62880 |
| Shobonier Post Office | 9998 Blackman Addition, Shobonier, IL 62885 |
| Vandalia Post Office | 304 S 4th St, Vandalia, IL 62471 |