Post Offices

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

Delawar Post Office

Post Office in Delaware, New Jersey on Clinton St. Operating hours, phone number, services information, and other locations.

Address: 9 Clinton St, Delaware, NJ 07833
Phone: 908-475-2490
Fax: 650-577-4085
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:00am - 12:00pm
Tuesday 8:00am - 12:00pm
Wednesday 8:00am - 12:00pm
Thursday 8:00am - 12:00pm
Friday 8:00am - 12:00pm
Saturday 9:00am - 11:30am
Sunday Closed

Lobby Hours

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

Last Collection Times

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 11:00am
Sunday Closed