>Any hints on how to get a person on the phone that can tell me the source of the product they are selling?
>

Here's what I found with a Google search:

US Customer Service
Phone toll-free in the US and Canada: (800) 201-7575
Phone from outside the US and Canada: (206) 346-2992 or (206)-266-2992
Fax: (206) 266-2950
E-mail: orders@amazon.com (I think this will still work, but no guarantees)

E-mail address and the fax numbers seem to go on- and off-line with some regularity. Readers have also had luck with the following addresses:
resolution@amazon.com
charge-inquiries@amazon.com
cust.service03@amazon.com
Wireless Phones and Service Plans Helpline
Phone toll-free: (866) 232-9681

Canadian Customer Service
Phone 9 a.m. to 10 p.m. Eastern time, 6 a.m. to 7 p.m. Pacific: (877)-586-3230

Corporate Offices, Seattle
(206) 622-2335
New! Fax: 206-266-1832

UK Customer Service
Phone: +44.208.636.9200
More UK numbers, from a reader:
Freephone (only from within the UK): 0800 279 6620
Phone (outside the UK): +44 20 8636 9451
Fax (free from within the UK): 0800 279 6630
Fax (outside the UK): +44 20 8636 9401


Amazon.com Headquarters
Address: 1200 12th Ave., Ste. 1200
Seattle, WA 98144
Phone: (206) 266-1000
Fax: (206) 622-2405