Post Offices
Post Offices in & near Federal Heights, Colorado. Operating hours, locations, phone/fax number, services information.
Thornton Post Office
Post Office in Thornton, Colorado on Washington St. Operating hours, phone number, services information, and other locations.
Address: 8804 Washington St, Thornton, CO 80229
Phone: 303-227-7386
Fax: 303-287-8679
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:00pmTuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:30am - 12:30pm
Sunday Closed
Lobby Hours
Monday 5:30pmTuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 4:30pm
Sunday Closed
Last Collection Times
Monday 5:00am - 5:00pmTuesday 5:00am - 5:00pm
Wednesday 5:00am - 5:00pm
Thursday 5:00am - 5:00pm
Friday 5:00am - 5:00pm
Saturday 5:00am - 4:00pm
Sunday Closed