Bank Code Study Guide 2026
Everything you need to pass the Bank Code exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 Bank Code Exam Format at a Glance
📚 Bank Code Topics to Study (32)
✍️ Sample Bank Code Questions & Answers
1. A company received an ACH return code R02. What does this mean?
ACH return code R02 means the account has been closed — the routing number was valid and the account once existed, but has since been closed.
2. What is the correct first step in the MOD 97 IBAN validation process?
The first step is to relocate the leading 4 characters (country code + check digits) to the end of the string before performing numerical conversion and division.
3. When a US bank merges with another, who must approve any routing number consolidation or changes?
Routing number consolidation or changes during bank mergers must be approved by the ABA Routing Number Policy and Administration department, which maintains the national registry.
4. What do characters 1–4 of a SWIFT/BIC code identify?
The first four alphabetical characters of a SWIFT code form the institution code, uniquely identifying the bank or financial organization.
5. Which institution maintains the official registry of ABA routing numbers?
The American Bankers Association oversees the assignment of routing numbers through its registrar.
6. Where on a paper check is the routing number typically located?
The routing number is the first nine-digit set in the MICR line at the bottom-left of a check.