# routing number

> English word · Noun

## Definitions
1. 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.

## Etymology
routing + number

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/routing-number