Well 900 numbers I'd guess, used for psychic hotlines and other entertainments. I suppose if I had a 900 number and used that in place of my real number on al

Well 900 numbers I'd guess, used for psychic hotlines and other entertainments. I suppose if I had a 900 number and used that in place of my real number on all the signups (e.g. safeway club), who I know sales their info whatever they claim, that would be funny. I wonder how many of these spam services blacklist 900 numbers?