Post Offices

Post Offices in & near Big Sandy, Wyoming. Operating hours, locations, phone/fax number, services information.

Boulder Post Office

Post Office in Boulder, Wyoming on State Highway 353. Operating hours, phone number, services information, and other locations.

Address: 7 State Highway 353, Boulder, WY 82923
Phone: 307-537-5623
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 11:00am - 3:00pm, 3:30pm - 5:30pm
Tuesday 11:00am - 3:00pm, 3:30pm - 5:30pm
Wednesday 11:00am - 3:00pm, 3:30pm - 5:30pm
Thursday 11:00am - 3:00pm, 3:30pm - 5:30pm
Friday 11:00am - 3:00pm, 3:30pm - 5:30pm
Saturday 8:00am - 9:45am
Sunday Closed

Lobby Hours

Monday 2:00pm
Tuesday 2:00pm
Wednesday 2:00pm
Thursday 2:00pm
Friday 2:00pm
Saturday 9:45am
Sunday Closed

Last Collection Times

Monday 11:00am - 3:00pm, 3:30pm - 4:00pm
Tuesday 11:00am - 3:00pm, 3:30pm - 4:00pm
Wednesday 11:00am - 3:00pm, 3:30pm - 4:00pm
Thursday 11:00am - 3:00pm, 3:30pm - 4:00pm
Friday 11:00am - 3:00pm, 3:30pm - 4:00pm
Saturday Closed
Sunday Closed