Trenton, New Jersey
Eastern Time Zone (UTC-5) · NJ · —
About Area Codes in Trenton, New Jersey
Trenton, New Jersey is served by 2 area codes: 609, 640. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Trenton require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Other cities in area code 609
Frequently Asked Questions
What area code is Trenton, New Jersey?
Trenton, New Jersey uses area codes 609 and 640.
What time zone is Trenton in?
Trenton is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Trenton?
Yes, all local calls in Trenton require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 609 created?
Area code 609 was established in 1958 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 609 with Trenton?
Other cities sharing area code 609 with Trenton include Ewing, Hamilton, Lawrence, Pennington, Princeton, among others.
Also called Trenton:
Trenton, NJ · Eastern Time Zone