Got this from fluke.com. They have two service centers, one in TX and the other in WA.
Service Center - Dallas
Carrollton, Tx 75006-6807
Phone Number +1-888-99FLUKE
Telefax Number +1-972-406-1072
Service Center - Everett
Phone Number +1-888-99FLUKE
Telefax Number +1-425-446-6390
Looks like you have to call and get the address.