Post Offices in & near Fredon, New Jersey. Operating hours, locations, phone/fax number, services information.
Post Office in Middleville, New Jersey on County Road 521. Operating hours, phone number, services information, and other locations.
Address: 904 County Road 521, Middleville, NJ 07855
Phone: 973-383-8544
Fax: 650-577-4058
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
