New Canaan, Connecticut Area Code
New Canaan, CT is officially utilizing an area code overlay in which area codes 203 and 475 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to New Canaan, CT area code information read more about area codes 203 and 475 details and Connecticut area codes.
New Canaan, CT is located in Fairfield County and observes the Eastern Time Zone. View our Times by Area Code tool.