1905 April 26, A 4th Class Post Office called Eubanks, Shasta County, California was established 6 miles south of Dunsmuir and 1 miles north of Castella. Named for J. Cal Eubanks, a pioneer of the area, Hugo Ehrenpfort was the first postmaster.
1905 August 19, Lucy H. Willson, Postmaster.
1907 July 18, Charles B. Tomson, Postmaster.
1912 December 12, Sadie C. Conroy, Pstmaster.
1915 July 22, Josephine Hooey, Postmaster.
1916 June 6, Elizabeth Winchcomb, Postmaster.
1918 November 30, Eubanks Post Office discontinued and the service moved to Castella.