Bank Routing Number

Poppy Bank Routing Number

The primary ABA routing number (RTN) for Poppy Bank, Santa Rosa, CA is shown below.

Primary ABA / RTN

121143891

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 Poppy Bank routing number?

The Poppy Bank routing number is 121143891. It is the primary ABA routing transit number registered to Poppy Bank, headquartered in Santa Rosa, 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 Poppy Bank wire routing number?

This page lists 121143891, the primary routing number registered to Poppy 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 Poppy Bank before sending a wire.

Is ABA number 121143891 the routing number for Poppy Bank?

Yes. ABA number 121143891 is the primary routing number registered to Poppy 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 121143891?

Routing number 121143891 belongs to Poppy Bank, headquartered in Santa Rosa, CA. It is the bank's primary ABA routing number (FDIC certificate 57903).

Routing numbers in Santa Rosa, CA

Credit union: Redwood Credit Union: 321177586
Bank: Exchange Bank: 121101985
Bank: Summit State Bank: 321181307
Credit union: Community First Credit Union: 321177599
Credit union: Sonoma Federal Credit Union: 321177560

All routing numbers in California

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Regulator records: FDIC BankFind (cert 57903) · FFIEC NIC profile (RSSD 3232204)