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