Post Offices

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

Demar Post Office

Post Office in Demarest, New Jersey on Hardenburgh Ave. Operating hours, phone number, services information, and other locations.

Address: 126 Hardenburgh Ave, Demarest, NJ 07627
Phone: 201-768-8227
Fax: 650-577-4133
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 10:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday 6:00am - 5:00pm
Tuesday 6:00am - 5:00pm
Wednesday 6:00am - 5:00pm
Thursday 6:00am - 5:00pm
Friday 6:00am - 5:00pm
Saturday 6:00am - 1:30pm
Sunday Closed

Last Collection Times

Monday 12:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed