A voided check is a paper check from your bank with the word 'VOID' written across it. Not all companies will request a voided check, but some might. You might need to provide the names of all people who are on the account, like a spouse or a parent. A routing number is a nine-digit code that indicates which branch you visited to open your account. Providing your number ensures your money goes into the right account.
Otherwise, contact a customer service representative to ask what address you should use. If you use an online bank or large brick-and-mortar bank, you can probably Google the name of the bank and find the address of the corporate headquarters. Once you have your form, you'll likely need the following information: If you use a CPA to file taxes, tell your CPA you want to receive your tax refund via direct deposit, and they should provide you with a form. If you file your taxes online, you can fill out a form digitally. To enroll in direct deposits from with employer, request a direct deposit form.