The Dupo Post Office is located in the state of Illinois within St Clair County. This location serves 4,954 Dupo residents with a median income of $43,967. It's estimated that approximately 7,907 packages pass through this post office each year.
Dupo Post Office Location 62239
Dupo Illinois Local Links
Post Offices Near Dupo 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