ABA Routing Number Checksum

By David Leppek on Nov 14, 2005
This script will validate an ABA routing number according to a given algorithm. (Although the number may be valid, it may not be actually assigned to a financial institution.)
ABA Routing Number:

The JavaScript Source: Forms: ABA Routing Number Checksum

Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s). The script is yours!!!

    

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