<P> An ABA routing transit number ( ABA RTN ) is a nine digit code , used in the United States , which appears on the bottom of negotiable instruments such as cheques to identify the financial institution on which it was drawn . The ABA RTN was originally designed to facilitate the sorting , bundling , and shipment of paper cheques back to the drawer 's ( check writer 's ) account . As new payment methods were developed ( ACH and Wire ) , the system was expanded to accommodate these payment methods . </P>
<P> An ABA routing transit number ( ABA RTN ) is a nine digit code , used in the United States , which appears on the bottom of negotiable instruments such as cheques to identify the financial institution on which it was drawn . The ABA RTN was originally designed to facilitate the sorting , bundling , and shipment of paper cheques back to the drawer 's ( check writer 's ) account . As new payment methods were developed ( ACH and Wire ) , the system was expanded to accommodate these payment methods . </P>
where is the aba number located on a check
where is the aba number located on a check
bottom
bottom