According to our records, this business is located at P.O. BOX 9998 in Smithton (in St Clair County), Illinois 62285, the location GPS coordinates are: 38.4086616 (latitude), -89.9920501 (longitude). US Post Office is categorized under Post Offices (SIC code 4311). Known organization branch manager is Geri Griffin. You can contact the company by phone at (618) 234-8680.