Mason Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in Mason, Illinois.
| Name | Mason Post Office |
| Address | 755 North Adams Street, Mason IL 62443 Map |
| Phone | (618) 238-4830 |
| Website | |
| Hours |
Map of Mason Post Office
About Mason Post Office
The Mason Post Office, located in Mason, IL, is a branch location of the United States Postal Service (USPS) that serves the Mason community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.
Interested parties may contact Post Office for questions about:
- Mason, Illinois Post Office hours and locations
- PO Box services in Mason
- Mail and package delivery services
- Postage rates
- Passport services
- Effingham County, Illinois Post Office jobs and employment