Chickasaw Chickasaw County 114 N. Vine Street PO Box 269 West Union, IA 52175 Phone: 563-422-5047 Fax: 563-422-6330 CountiesAllamakee Black Hawk Butler Cerro Gordo Chickasaw Clayton Emmet Fayette Floyd Grundy Hancock Howard Humboldt Mitchell Pocahontas Tama Webster Winneshiek Wright