Located in the Eastern (GMT -05:00) time zone. Area code 718 serves the state of New York. This area code was assigned on April 6th, 1984. On September 1st, 1984 it went into service. 718 is a General Purpose Code. 718 service area does overlap with 347 917 929 area codes. Dialing pattern for local calls within the same NPA (area code) is 1+10D.