Keokuk, IA is currently utilizing one area code which is 319. Area code 319 was one of three original area codes assigned to Iowa in 1947.
In addition to Keokuk, IA area code 319 serves the larger communities of Cedar Falls, Cedar Rapids, Fort Madison, Iowa City, Keokuk, Marion and Waterloo, as well as, many smaller communities in east-central Iowa.
Keokuk, IA is located in Lee County and observes the Central Time Zone.
View our Times by Area Code tool.