Post Offices in & near Hawthorne, New Jersey. Operating hours, locations, phone/fax number, services information.
Post Office in Hawthorne, New Jersey on Diamond Bridge Ave. Operating hours, phone number, services information, and other locations.
Address: 226 Diamond Bridge Ave, Hawthorne, NJ 07506
Phone: 973-423-2493
Fax: 650-577-4351
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457