Bank Routing Number

Plumas Bank Routing Number

The primary ABA routing number (RTN) for Plumas Bank, Quincy, CA is shown below.

Primary ABA / RTN

121138288

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 Plumas Bank routing number?

The Plumas Bank routing number is 121138288. It is the primary ABA routing transit number registered to Plumas Bank, headquartered in Quincy, 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 Plumas Bank wire routing number?

This page lists 121138288, the primary routing number registered to Plumas 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 Plumas Bank before sending a wire.

Is ABA number 121138288 the routing number for Plumas Bank?

Yes. ABA number 121138288 is the primary routing number registered to Plumas 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 121138288?

Routing number 121138288 belongs to Plumas Bank, headquartered in Quincy, CA. It is the bank's primary ABA routing number (FDIC certificate 23275).

Routing numbers of similar-size institutions in California

Credit union, Eureka, CA: Coast Central Credit Union: 321172248
Credit union, Westminster, CA: LBS Financial Credit Union: 322276855
Credit union, Downey, CA: Financial Partners Credit Union: 322275157
Bank, Placerville, CA: El Dorado Savings Bank, F.S.B.: 321170978
Credit union, Los Angeles, CA: First Entertainment Credit Union: 322274158
Credit union, San Jose, CA: Meriwest Credit Union: 321176833
Credit union, La Canada Flintridge, CA: Cal Tech Employees Federal Credit Union: 322280692
Credit union, Pasadena, CA: Firefighters First Federal Credit Union: 322078341

All routing numbers in California

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Regulator records: FDIC BankFind (cert 23275) · FFIEC NIC profile (RSSD 670467)