Mount Sinai, New York Area Code

Mount Sinai, NY Area Codes are

Mount Sinai, NY is officially utilizing two area codes which are area area codes 631 and 934.

In addition to Mount Sinai, NY area code information read more details about area code 631, area code 934 and New York area codes.

Mount Sinai, NY is located in Suffolk County and observes the Eastern Time Zone. View our Times by Area Code tool.

New York Area Code Map