The phone number of the Birks Museum is: 217-424-6337.
The phone number of the Dekalb Historical Society is: 404-373-1088.
The phone number of the Illinois State Genealogical Society is: 217-789-1968.
The phone number of the Illinois Labor History Society is: 312-663-4107.
The phone number of the Governor Oglesby Mansion is: 217-429-9422.
The phone number of the Rock Springs Center is: 217-423-7708.
The phone number of the Hieronymus Mueller Museum is: 217-423-6161.
The phone number of the Illinois Central Railroad Historical Society is: 217-379-2261.
The phone number of the Illinois Mennonite Historical And Genealogical Society is: 309-367-2551.
The phone number of the Chevrolet Hall Of Fame Museum is: 217-791-5793.
The phone number of the Macon County Historical Museum is: 217-422-4919.
The phone number of the Decatur Museum is: 402-349-5018.