Modoc is an unincorporated community in Scott County, Kansas, United States. History A post office was opened in Modoc (formerly called Plummer) in 1886, and remained in operation until it was discontinued in 1992. Also, the community was formerly called Isabel too. References Further reading External links Scott County maps: Current, Historic, KDOT Unincorporated communities in Scott County, Kansas Unincorporated communities in Kansas