You can rate the company US Post Office by filling out this form.

More contact info for US Post Office:

US Post Office

1500 Lancaster Ave
19805 Wilmington

Phone:

(302) 654-0725

Fax:

(302) 654-0624

• https://tools.usps.com/go/POLocatorDetailsAction!input.action?locationTypeQ=po&address=&radius=&locationType=po&locationID=1369772&locationName=LANCASTER+AVE&address2=&address1=1500+LANCASTER+AVE&city=WILMINGTON&state=DE&zip5=19805&zip4=9998&tollFree=800-