A bank letter is an official document from your bank that provides important information about your business' official bank account. The nice thing about Wells Fargo is they will provide a direct deposit form and they will automatically input your information with just a few steps.Get routing numbers for Wells Fargo checking, savings, prepaid card, line of credit, and wire transfers or find your checking account number. Fill out direct deposit authorization letter online. Find answers to your top questions and get help with Wells Fargo products and services, online account services, and more. In order to obtain a blank copy of the Wells Fargo Direct Deposit Form, select the button below the image on the right labeled "PDF." Find answers to your top questions and get help with Wells Fargo products and services, online account services, and more. Note. We can't process payments or deposits at our Corporate Office address. Please use the product-related addresses below. You'll need both your routing number and account number to move forward with direct deposit.