Post Offices
Post Offices in & near Unionburg, New Jersey. Operating hours, locations, phone/fax number, services information.
Union Post Office
Post Office in Union, New Jersey on W Chestnut St. Operating hours, phone number, services information, and other locations.
Address: 1130 W Chestnut St, Union, NJ 07083
Phone: 908-378-6129
Fax: 650-577-4362
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:00am - 5:00pmTuesday 10:00am - 5:00pm
Wednesday 10:00am - 5:00pm
Thursday 10:00am - 5:00pm
Friday 10:00am - 5:00pm
Saturday 8:00am - 1:00pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed
Last Collection Times
Monday 10:00am - 3:00pmTuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
Saturday Closed
Sunday Closed