Post Offices

Post Offices in & near Groveville, New Jersey. Operating hours, locations, phone/fax number, services information.

Trenton Carrier Annex Post Office

Trenton Carrier Annex Post Office in Trenton, New Jersey on Us Highway 130 Unit B. Operating hours, phone number, services information, and other locations.

Address: 435 Us Highway 130 Unit B, Trenton, NJ 08620
Phone: 609-581-7607
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Carrier Facility: This location is for mail processing only. For retail services, please use one of the nearby locations below.

Lobby Hours

Last Collection Times