routing number

noun

routing number

noun

Etymology routing + number

1

US A number used by a banking institution to designate a certain geographic area in order to sort inquiries and transactions and direct them to the correct district. It is usually shown at the bottom left of a check.

  • This new check may appear to be the account of John Doe, although the actual account and routing number are for Jane Smith's checking account at the Acme Bank. Fraudsters then use these checks to purchase items and get cash back.2009, Martin T. Biegelman, Identity Theft Handbook: Detection, Prevention, and Security, page 202:
  • But the odd thing is the routing numbers. In the case of the two near matching account numbers, the routing numbers are different. Possible? Maybe. But it's also possible for me to win the lottery twice in the same week […]2012, James Harrison, Quest for Power, page 158:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.