Located in the Eastern (GMT -05:00) time zone. Area code 680 serves the state of New York. This area code was assigned on July 17th, 2015. On March 11th, 2017 it went into service. 680 is a General Purpose Code. 680 service area does overlap with 315 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.