De Kalb, Missouri Area Code
De Kalb, MO is officially utilizing area codes 816 and 975.
In addition to De Kalb, MO area code information read more about area codes 816 and 975 details and Missouri area codes.
De Kalb, MO is located in Buchanan 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