Post Offices
Post Offices in & near Holly Ridge, South Carolina. Operating hours, locations, phone/fax number, services information.
Dorchester Post Office
Post Office in Dorchester, South Carolina on Highway 78. Operating hours, phone number, services information, and other locations.
Address: 2650 Highway 78, Dorchester, SC 29437
Phone: 843-563-2945
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 12:00pm, 2:00pm - 4:00pmTuesday 8:00am - 12:00pm, 2:00pm - 4:00pm
Wednesday 8:00am - 12:00pm, 2:00pm - 4:00pm
Thursday 8:00am - 12:00pm, 2:00pm - 4:00pm
Friday 8:00am - 12:00pm, 2:00pm - 4:00pm
Saturday 9:00am - 10:00am
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 3:45pmTuesday 3:45pm
Wednesday 3:45pm
Thursday 3:45pm
Friday 3:45pm
Saturday 9:45am
Sunday Closed