The correct spelling is: Kerr Hall 042 1, Oklahoma State University.
Stilwater, Oklahoma, USA 74078
America? Oklahoma? Stilwalt municipality
Oklahoma State University? Keer student dormitory 042 1 room
Postal code: 74078
The English hall here refers to the student dormitory; These are two sister buildings, each of which can accommodate 550 students. Chloe is a boy's dormitory, and the other one.
Drummond is a girls' dormitory.