According to our records, this business is located at 405 W Main St. in Ottawa (in La Salle County), Illinois 61350, the location GPS coordinates are: 41.3457201 (latitude), -88.845686 (longitude). US Post Office is categorized under Post Offices (SIC code 4311). Known organization branch manager is Nick Boyers. You can contact the company by phone at (815) 433-2021.