if you have a checkbook the number will be on the left and consist of 9 digits or you could call your financial institution.
Or to check your tax return. How to see your Direct Deposit bank info after you efiledhttps://ttlc.intuit.com/community/tax-topics/help/where-can-i-find-my-direct-deposit-account-information-after-i-ve-e-file/01/1279127
How to review your refund method after filinghttps://ttlc.intuit.com/community/refunds/help/how-do-i-review-the-federal-refund-method-i-chose-after-filing-with-turbotax-online/00/27417