Post Offices
Post Offices in & near High, Arkansas. Operating hours, locations, phone/fax number, services information.
Oak Grov Post Office
Post Office in Oak Grove, Arkansas on Highway 21 N. Operating hours, phone number, services information, and other locations.
Address: 10516 Highway 21 N, Oak Grove, AR 72660
Phone: 870-749-2511
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:30am - 12:30pmTuesday 10:30am - 12:30pm
Wednesday 10:30am - 12:30pm
Thursday 10:30am - 12:30pm
Friday 10:30am - 12:30pm
Saturday 10:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 12:00pmTuesday 12:00pm
Wednesday 12:00pm
Thursday 12:00pm
Friday 12:00pm
Saturday 11:45am
Sunday Closed
Last Collection Times
Monday 10:30am - 12:30pmTuesday 10:30am - 12:30pm
Wednesday 10:30am - 12:30pm
Thursday 10:30am - 12:30pm
Friday 10:30am - 12:30pm
Saturday 10:00am - 12:00pm
Sunday Closed