Greenwich, Connecticut Area Code

Greenwich, CT Area Codes are

203 and 475

Greenwich, CT is currently using 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 Greenwich, CT area code information read more about area codes 203 and 475 details and Connecticut area codes.

Greenwich, CT is located in Fairfield County and observes the Eastern Time Zone. View our Times by Area Code tool.

Connecticut Area Code Map








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