Bank Routing Number

Savings Bank of Mendocino County Routing Number

The primary ABA routing number (RTN) for Savings Bank of Mendocino County, Ukiah, CA is shown below.

Primary ABA / RTN

121104063

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 Savings Bank of Mendocino County routing number?

The Savings Bank of Mendocino County routing number is 121104063. It is the primary ABA routing transit number registered to Savings Bank of Mendocino County, headquartered in Ukiah, 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 Savings Bank of Mendocino County wire routing number?

This page lists 121104063, the primary routing number registered to Savings Bank of Mendocino County. 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 Savings Bank of Mendocino County before sending a wire.

Is ABA number 121104063 the routing number for Savings Bank of Mendocino County?

Yes. ABA number 121104063 is the primary routing number registered to Savings Bank of Mendocino County. 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 121104063?

Routing number 121104063 belongs to Savings Bank of Mendocino County, headquartered in Ukiah, CA. It is the bank's primary ABA routing number (FDIC certificate 8011).

Routing numbers of similar-size institutions in California

Credit union, Glendale, CA: Los Angeles Federal Credit Union: 322078370
Credit union, Irwindale, CA: Rize Federal Credit Union: 322280032
Credit union, Los Alamitos, CA: Southland Credit Union: 322078325
Credit union, Pleasanton, CA: 1st United Credit Union: 321174000
Credit union, Concord, CA: Pacific Service Credit Union: 121181743
Credit union, Burbank, CA: Farmers Insurance Federal Credit Union: 322077795
Bank, San Francisco, CA: Bank of the Orient: 121029672
Bank, Riverside, CA: Provident Savings Bank, F.S.B.: 322270518

All routing numbers in California

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Regulator records: FDIC BankFind (cert 8011) · FFIEC NIC profile (RSSD 146663)