Who called from 6046370073

Phone rings and no one answers and my call dislay says unkown name.

Called November 1 and 2 2008
phone rings noone answers or will leave a message on machine come up unknown name

no message. no ID.

Called at 9:47 pm. I was not at home so didn't pick it up. But left no message.
I called back and it's a telemarketing fundraiser for non-profit companies, don't know which one. But I left my name and phone number so they will exclude me from their list.