What is the history of horicon bank? Horicon Bank was established on Sept. 7, 1896. Headquartered in Horicon, WI, it has assets in the amount of $598,041,000. Its customers are served from 14 locations. Deposits in Horicon Bank are insured by FDIC. Horicon Bank has 1 routing number.How do i contact horizon bank customer support? Chat online with our support team Monday - Friday 8 am to 5 pm CST. Live chat is available for questions 24/7/365. What is my routing number? The Amercian Bank Association (ABA) routing/transit number and your Horizon Bank account number are located on the lower left-hand corner of your check as shown below.What is horhoricon bank? Horicon Bank was established on Sept. 7, 1896. Headquartered in Horicon, WI, it has assets in the amount of $598,041,000. Its customers are served from 14 locations.Where can i find my horizon bank routingtransit number? The Amercian Bank Association (ABA) routing/transit number and your Horizon Bank account number are located on the lower left-hand corner of your check as shown below. Horizon Bank's routing number is 071201320.