Post Offices
Post Offices in & near Columbia, New Jersey. Operating hours, locations, phone/fax number, services information.
Columbia Post Office
Post Office in Columbia, New Jersey on Decatur St. Operating hours, phone number, services information, and other locations.
Address: 27 Decatur St, Columbia, NJ 07832
Phone: 908-496-4191
Fax: 650-577-4084
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 12:00pm, 1:00pm - 4:30pmTuesday 8:30am - 12:00pm, 1:00pm - 4:30pm
Wednesday 8:30am - 12:00pm, 1:00pm - 4:30pm
Thursday 8:30am - 12:00pm, 1:00pm - 4:30pm
Friday 8:30am - 12:00pm, 1:00pm - 4:30pm
Saturday 9:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 7:00am - 12:00pm, 1:00pm - 5:00pmTuesday 7:00am - 12:00pm, 1:00pm - 5:00pm
Wednesday 7:00am - 12:00pm, 1:00pm - 5:00pm
Thursday 7:00am - 12:00pm, 1:00pm - 5:00pm
Friday 7:00am - 12:00pm, 1:00pm - 5:00pm
Saturday 7:00am - 12:00pm
Sunday Closed
Last Collection Times
Monday 4:00pmTuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 12:00pm
Sunday Closed