Clayton Post Office

The Clayton Post Office provides local postal services.  

The new developments in the Town of Clayton have mail delivery. The older sections of Town do not have mail delivery. If you live within the older sections of Town, you will need to obtain a post office box. View map

Those living within a mile of the Clayton Post Office must pick up their mail at the post office, according to USPS regulations regarding rural communities. A post office box will be provided to you at no charge.

Last Daily Collection
Monday - Friday    4:30 p.m.
Saturday             12:00 p.m. 
12 Railroad Avenue 
Clayton, DE  19938-9998

Ph: (302) 653-7376
TTY: (877) 889-2457
Fx: (302) 659-3739

Monday - Friday
8:30 a.m. - 5:00 p.m.
8:30 a.m. - 12:30 p.m.