Located in the Eastern (GMT -05:00) time zone. Area code 732 serves the state of New Jersey. This area code was assigned on January 23rd, 1997. On June 1st, 1997 it went into service. 732 is a General Purpose Code. 732 service area does overlap with 848 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D. Calls between the 732 and 848 NPAs may be dialed as 10D.