Mark Mcgeehan (Postmaster)
mark.j.mcgeehan@usps.gov
1111 S Lincoln Ave
O Fallon, IL 62269
O Fallon, IL 62269
The O Fallon Post Office is located in the state of Illinois within St Clair County. This location serves 31,348 O Fallon residents with a median income of $77,963. It's estimated that approximately 50,035 packages pass through this post office each year.
O Fallon Post Office Location 62269
O Fallon Illinois Local Links
Post Offices Near O Fallon by ZIP Code
- 62258 - Mascoutah IL
- 62207 - Alorton IL
- 62203 - Edgemont IL
- 62201 - East Saint Louis IL
- 62260 - Millstadt IL
- 62232 - Caseyville IL
- 62254 - Lebanon IL
- 62243 - Freeburg IL
- 62225 - Scott Air Force Base IL
- 62239 - Dupo IL
- 62282 - Saint Libory IL
- 62285 - Smithton IL
- 62289 - Summerfield IL
- 62264 - New Athens IL
- 62257 - Marissa IL