Post Offices

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

Rock River Post Office

Post Office in Rock River, Wyoming on S 5th St. Operating hours, phone number, services information, and other locations.

Address: 104 S 5th St, Rock River, WY 82083
Phone: 307-378-2248
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 12:30pm, 1:00pm - 3:30pm
Tuesday 9:00am - 12:30pm, 1:00pm - 3:30pm
Wednesday 9:00am - 12:30pm, 1:00pm - 3:30pm
Thursday 9:00am - 12:30pm, 1:00pm - 3:30pm
Friday 9:00am - 12:30pm, 1:00pm - 3:30pm
Saturday 9:30am - 10:30am
Sunday Closed

Lobby Hours

Monday 3:15pm
Tuesday 3:15pm
Wednesday 3:15pm
Thursday 3:15pm
Friday 3:15pm
Saturday 10:15am
Sunday Closed

Last Collection Times

Monday 9:00am - 12:30pm, 1:00pm - 3:30pm
Tuesday 9:00am - 12:30pm, 1:00pm - 3:30pm
Wednesday 9:00am - 12:30pm, 1:00pm - 3:30pm
Thursday 9:00am - 12:30pm, 1:00pm - 3:30pm
Friday 9:00am - 12:30pm, 1:00pm - 3:30pm
Saturday Closed
Sunday Closed