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Aba Account NumberPosted on April 18, 2010. ABA number is the same as your federal account number checks? I sell to Amazon, but it asks for my bank account number and routing number 9 number.I want to know if my bank account number can be my balance and rewards if my account may be my routing number or what? I am really confused and I do not really have any controls to verify. The ABA number is the federal bank number assigned by the American Association of Banks (ABA). The ABA number is also known as the routing number. yes CommentsThere are no comments.Leave a Comment | Newest My Friends |