Hamilton, Iowa Area Code
Hamilton, IA Area Codes are
Hamilton, IA is officially utilizing one area code which is area code 641.
In addition to Hamilton, IA area code information read more about area code 641 details and Iowa area codes.
Hamilton, IA is located in Marion County and observes the Central Time Zone.
View our Times by Area Code tool.
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places