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routing number

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routing number noun: 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.

routing number: a number used by a banking institution to designate a certain geographic area in order to sort...
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Noun

routing number (plural routing numbers)

  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

Forms of routing number

pluralrouting numbers

Origin of routing number

routing + number

Questions about routing number

What does routing number mean?
Routing number means 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.
What part of speech is routing number?
Routing number is a noun.
What is the plural of routing number?
The plural of routing number is routing numbers.

Words near routing number in the dictionary

  1. routiners
  2. routines
  3. routing
  4. routing leak
  5. routing leaks
  6. routing number
  7. routing numbers
  8. routing slip
  9. routing slips
  10. routings
  11. routinisation

Source and license

Adapted from Wiktionary: routing number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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