Post Offices

Post Offices in & near Clayton, Delaware. Operating hours, locations, phone/fax number, services information.

Clayton Post Office

Post Office in Clayton, Delaware on Railroad Ave. Operating hours, phone number, services information, and other locations.

Address: 12 Railroad Ave, Clayton, DE 19938
Phone: 302-653-7376
Fax: 302-659-3739
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 8:30am - 12:30pm
Sunday Closed

Lobby Hours

Monday 6:00am - 5:30pm
Tuesday 6:00am - 5:30pm
Wednesday 6:00am - 5:30pm
Thursday 6:00am - 5:30pm
Friday 6:00am - 5:30pm
Saturday 6:00am - 12:30pm
Sunday Closed

Last Collection Times

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 12:00pm
Sunday Closed