●  ROUTING NUMBER · 122105155

That routing number belongs to Fifth Third Bank.

Fifth Third Bank owns routing number 122105155. 9 other institutions route payments through it.

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●  OWNER + ASSOCIATED INSTITUTIONS

10 institutions are associated with this routing number.

●  OTHER ROUTING NUMBERS FOR FIFTH THIRD BANK

Fifth Third Bank has 123 routing numbers on file.

Large banks issue different routing numbers by region, product line, or payment type (ACH vs. wire). If the number on your check or statement is different, find it below.

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What is a routing number?

An ABA routing number is a 9-digit code issued by the American Bankers Association and used by the Federal Reserve to route ACH transfers, wire transfers, and paper checks. Each number is assigned to a single financial institution of record.

Why does one number show multiple banks?

The routing number itself is owned by one bank. Smaller banks, credit unions, and most fintechs do not have their own number — they process ACH and check traffic through a larger sponsor or correspondent bank, so their accounts appear under the sponsor's routing number. The owner is listed first above.

●  REFERENCE

Routing number vs. account number vs. SWIFT, IBAN, and the rest.

Banks hand out a lot of numbers. Here's what each one is for, and when you'd use it.

  • ABA routing number
    Format
    9 digits
    For
    Identifies a US bank for ACH transfers, domestic wires, and paper checks.
    Example
    021000021
  • Account number
    Format
    8–17 digits, varies by bank
    For
    Identifies your specific account within a bank. Never shared publicly.
    Example
    000123456789
  • Wire routing number
    Format
    9 digits
    For
    Some banks use a different routing number for wires than they do for ACH. Confirm with your bank before sending a wire.
    Example
    026009593
  • Check number
    Format
    3–5 digits, sequential
    For
    Unique identifier for each check you write. Printed in the top right and bottom right of the check.
    Example
    1047
  • SWIFT / BIC code
    Format
    8 or 11 letters and digits
    For
    Identifies a bank for international wires. Used outside the US.
    Example
    CHASUS33
  • IBAN
    Format
    Up to 34 characters
    For
    International Bank Account Number. Identifies a specific account in 80+ countries, but not in the US.
    Example
    GB29 NWBK 6016 1331 9268 19