Post Offices
Post Offices in & near Frederick, Oklahoma. Operating hours, locations, phone/fax number, services information.
Frederick Post Office
Post Office in Frederick, Oklahoma on E Grand Ave. Operating hours, phone number, services information, and other locations.
Address: 120 E Grand Ave, Frederick, OK 73542
Phone: 580-335-3021
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 4:30pmTuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 4:30pmTuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 3:00pm
Sunday Closed
Last Collection Times
Monday 7:15am - 4:30pmTuesday 7:15am - 4:30pm
Wednesday 7:15am - 4:30pm
Thursday 7:15am - 4:30pm
Friday 7:15am - 4:30pm
Saturday Closed
Sunday Closed