Bank Routing Number

Gateway Bank, F.S.B. Routing Number

The primary ABA routing number (RTN) for Gateway Bank, F.S.B., Oakland, CA is shown below.

Primary ABA / RTN

321071161

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 Gateway Bank, F.S.B. routing number?

The Gateway Bank, F.S.B. routing number is 321071161. It is the primary ABA routing transit number registered to Gateway Bank, F.S.B., headquartered in Oakland, CA. 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 Gateway Bank, F.S.B. wire routing number?

This page lists 321071161, the primary routing number registered to Gateway Bank, F.S.B. 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 Gateway Bank, F.S.B. before sending a wire.

Is ABA number 321071161 the routing number for Gateway Bank, F.S.B.?

Yes. ABA number 321071161 is the primary routing number registered to Gateway Bank, F.S.B. 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 321071161?

Routing number 321071161 belongs to Gateway Bank, F.S.B., headquartered in Oakland, CA. It is the bank's primary ABA routing number (FDIC certificate 33103).

Routing numbers in Oakland, CA

Bank: Beneficial State Bank: 121182056
Credit union: Sea West Coast Guard Federal Credit Union: 321171265
Bank: Summit Bank: 121138958
Bank: Metropolitan Bank: 121141343
Credit union: Utility District Credit Union: 321174385

All routing numbers in California

View Gateway Bank, F.S.B.'s full profile →

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Regulator records: FDIC BankFind (cert 33103) · FFIEC NIC profile (RSSD 1493319)