According to our records, this business is located at 900 4th St. in Eldorado (in Saline County), Illinois 62930, the location GPS coordinates are: 37.812208 (latitude), -88.4372106 (longitude). Eldorado Post Office is categorized under Post Offices (SIC code 4311). Known organization manager is John Fuller. You can contact the company by phone at (618) 273-8100.