Carmel, IN is currently using one area code which is area code 317. Area code 317 was one of the three original area codes assigned to Indiana in 1947.
In addition to Carmel, IN area code 317 serves the Indianapolis metropolitian area including the larger cities and communities of Carmel, Fishers, Greenwood, Indianapolis, Lawrence, and Noblesville in addition to many smaller communities.
Carmel, IN is located in Hamilton County and observes the Eastern Time Zone. View our Times by Area Code tool.