According to our records, this business is located at P.O. BOX 9998 in Knoxville (in Knox County), Illinois 61448, the location GPS coordinates are: 40.9083715 (latitude), -90.2848476 (longitude). US Post Office is categorized under Post Offices (SIC code 4311). Known organization branch manager is Rosemary Sherwood. You can contact the company by phone at (309) 289-2612.