Grand River, Iowa Area Code
Grand River, IA Area Codes are
Grand River, IA is officially utilizing one area code which is area code 641.
In addition to Grand River, IA area code information read more about area code 641 details and Iowa area codes.
Grand River, IA is located in Decatur 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