WAS WORTHINGTON TAX & BUSINESS SERVICES Austin Opdahl 337 Oxford St, PO Box 404, Worthington, MN 56187 office@worthingtontax.net 507-372-7397 WAS WORTHINGTON TAX & BUSINESS SERVICES Austin Opdahl 337 Oxford St , PO Box 404 , Worthington , MN 56187 office@worthingtontax.net 507-372-7397