USA Bank Routing Numbers Page 3 What do the digits tell us? 05 31 0112 1 1.The first two digits 05 the type of financial institution. 2.The 3rd and 4th digits 31 indicate the Federal Reserve Bank district branch. 3. 0112 5th to 8th, tell us the name of the institution where the checking account is. 4.Number 9th 1 is a final digit in an ABA number, and. olympia pd
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