From your Amazon dashboard navigate to the HELP link in the top right hand corner of the page:


This will prompt a chat window to appear. Navigate to the bottom of the window and select the CONTACT US button:

This will redirect you to the Contact Us Page.  From here you can navigate to the area that best suits your request or issue:

Select an area and complete the form.  Seller Support usually respond within 24 hours either with a call or by email: