Bank Routing Number

Cass Commercial Bank Routing Number

The primary ABA routing number (RTN) for Cass Commercial Bank, Des Peres, MO is shown below.

Primary ABA / RTN

081000605

Verify before you send money. This is the bank's primary registered routing number, taken from the FFIEC National Information Center institution record (last refreshed here on October 8, 2026). Banks often use a different routing number for wire transfers than for ACH, and large banks vary it by region; always confirm the correct number on a check or with your bank before initiating a transfer.

What is an ABA routing number?

An ABA routing number, also called a routing transit number (RTN), is a 9-digit code that identifies a U.S. financial institution in the payment system. It tells ACH transfers, Fedwire payments, and paper checks which bank to route money to. The format was created by the American Bankers Association in 1910 and is still the backbone of U.S. domestic payments.

What is the difference between a routing number and an account number?

Your routing number identifies the bank; your account number identifies your specific account at that bank. On a paper check, the routing number is the 9-digit number in the bottom-left, and the account number is to its right.

What is the Cass Commercial Bank routing number?

The Cass Commercial Bank routing number is 081000605. It is the primary ABA routing transit number registered to Cass Commercial Bank, headquartered in Des Peres, MO. A bank can hold more than one routing number, so this is the one on record for the institution, not necessarily the one printed on every check. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 8, 2026.

What is the Cass Commercial Bank wire routing number?

This page lists 081000605, the primary routing number registered to Cass Commercial Bank. The record does not say whether the bank uses the same number for wire transfers, and many banks use a separate routing number for domestic wires. Confirm the wire routing number with Cass Commercial Bank before sending a wire.

Is ABA number 081000605 the routing number for Cass Commercial Bank?

Yes. ABA number 081000605 is the primary routing number registered to Cass Commercial Bank. Check it against the routing number on a check or in your online banking before sending an ACH payment, because a bank can use different numbers by region or product.

Which bank uses routing number 081000605?

Routing number 081000605 belongs to Cass Commercial Bank, headquartered in Des Peres, MO. It is the bank's primary ABA routing number (FDIC certificate 1068).

Routing numbers of similar-size institutions in Missouri

Bank, Hannibal, MO: HNB National Bank: 081500480
Bank, Sullivan, MO: Sullivan Bank: 081905302
Bank, Marshall, MO: Wood & Huston Bank: 101901833
Bank, Carthage, MO: Southwest Missouri Bank: 101203641
Credit union, Jefferson City, MO: Multipli Federal Credit Union: 286580917
Bank, Sikeston, MO: Montgomery Bank: 081517761
Bank, Jefferson City, MO: Mid America Bank: 081514748
Credit union, Bridgeton, MO: Vantage Credit Union: 281081479

All routing numbers in Missouri

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Regulator records: FDIC BankFind (cert 1068) · FFIEC NIC profile (RSSD 177751)