Austin Madison in Everest, Kansas received 2 PPP loans totaling $24200 from the SBA. Everest, KS 66424. Lender: The Union State Bank of Everest. The new signage is installed across all Union State Bank branches: Everest, Atchison, Horton, McLouth, and Oskaloosa, Kansas; and Gower and. The Union State Bank of Everest branches, routing number, swift codes, location, address and contact details. 701 Kansas Atchison, KS, 66002.