--Update-- Saw from records of another 543 reporter, "former student", that it's the University of Washington - likely alumni services then asking for $$.
Called but I did not answer and they left no message. Similar (206) 543 - _ _ _ _ numbers have been calling for about a month. I'm thinking that it might be Greenpeace asking for more donations...
--Update-- Saw from records of another 543 reporter, "former student", that it's the University of Washington - likely alumni services then asking for $$.