Joslyn Manske » Business Partners Go back to directory. Joslyn Manske Frandsen Bank & Trust 245 Belgrade Ave North Mankato MN 56003 work Work Phone: 507-385-4510work Work Email: jmanske@frandsenbank.comINTERNET Website: http://frandsenbank.com/northmankatomortgages Categories: Affiliates, Financial Services Updated 7 years ago.