Post Offices
Post Offices in & near Newcastle, Wyoming. Operating hours, locations, phone/fax number, services information.
Newcastl Post Office
Post Office in Newcastle, Wyoming on W Main St. Operating hours, phone number, services information, and other locations.
Address: 24 W Main St, Newcastle, WY 82701
Phone: 307-746-2309
Fax: 307-746-9360
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 4:30pmTuesday 8:00am - 4:30pm
Wednesday 8:00am - 4:30pm
Thursday 8:00am - 4:30pm
Friday 8:00am - 4:30pm
Saturday 10:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 4:30pmTuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 2:45pm
Sunday Closed
Last Collection Times
Monday 9:00am - 12:00pm, 12:30pm - 2:30pmTuesday 9:00am - 12:00pm, 12:30pm - 2:30pm
Wednesday 9:00am - 12:00pm, 12:30pm - 2:30pm
Thursday 9:00am - 12:00pm, 12:30pm - 2:30pm
Friday 9:00am - 12:00pm, 12:30pm - 2:30pm
Saturday Closed
Sunday Closed