Trenton, New Jersey Area Code

Trenton, NJ Area Codes are

Trenton, NJ is currently using one area code which is area code 609.

In addition to Trenton, NJ area code information read more about area code 609 details and New Jersey area codes.

Trenton, NJ is located in Mercer County and observes the Eastern Time Zone. View our Times by Area Code tool.

New Jersey Area Code Map