Post Offices
Post Offices in & near Grenville, South Dakota. Operating hours, locations, phone/fax number, services information.
Grenvill Post Office
Post Office in Grenville, South Dakota on Kosciusko Ave. Operating hours, phone number, services information, and other locations.
Address: 915 Kosciusko Ave, Grenville, SD 57239
Phone: 605-486-4804
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:00am - 12:00pmTuesday 10:00am - 12:00pm
Wednesday 10:00am - 12:00pm
Thursday 10:00am - 12:00pm
Friday 10:00am - 12:00pm
Saturday 10:00am - 11:15am
Sunday Closed
Lobby Hours
Monday 24 hoursTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Last Collection Times
Monday 4:10pmTuesday 4:10pm
Wednesday 4:10pm
Thursday 4:10pm
Friday 4:10pm
Saturday 4:10pm
Sunday Closed