Post Offices in & near South Plainfield, New Jersey. Operating hours, locations, phone/fax number, services information.
Post Office in South Plainfield, New Jersey on Oak Tree Ave. Operating hours, phone number, services information, and other locations.
Address: 114 Oak Tree Ave, South Plainfield, NJ 07080
Phone: 908-756-2432
Fax: 908-756-0446
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
