Area Code 563 History:
Area code 563 was put into service. Area code 563 was created from a split of area code 319.
Counties in Iowa within area code 563 include:
Allamakee County, Cedar County, Chickasaw County, Clayton County, Clinton County, Delaware County, Dubuque County, Fayette County, Howard County, Jackson County, Jones County, Muscatine County, Scott County, and Winneshiek County.
Major cities or places in Iowa within area code 563 include:
Area code 563 serves northeastern Iowa including the larger cities and communities of Clinton, Davenport, Decorah, Dubuque and Muscatine in addition to many smaller communities within the area code 563 service area.