Routing Number

What is the routing number?

The routing number (a.k.a. RTN or routing transit number) is a 9-digit number that serves to identify the specific financial institution responsible for the payment of a negotiable instrument.

Where is the routing number on my check?

The sample graphic below shows where the routing number can be found in the bottom left corner of your checks.

Routing number format

The routing number consists of 9 digits:
The ABA Routing Number is of the form XXXXYYYYC
  • XXXX is Federal Reserve Routing Symbol
  • YYYY is ABA Institution Identifier
  • C is the Check Digit
Read more about the Routing number at Wikipedia website.