Check Processing

Merchant Account Industry Language

What is an ABA Routing Number? American Bankers Association (ABA). This number is always immediately to the left of the account number (or the “DDA Number”) at the bottom of every check that is issued in the US.  The ABA (or routing number) is always 9 digits and is...

What is the NACHA SEC Code?

NACHA stand for North American Clearing House Association.  This association has come up with three letter codes to identify how the checking information was obtained. Below is an explanation of each term and when to select it from the dropdown menu:   WEB (Web...