Columbia Bank Routing Number

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 Columbia Bank routing number?

The Columbia Bank routing number is 123205054. It is the primary ABA routing transit number registered to Columbia Bank, headquartered in Lake Oswego, OR. 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 Columbia Bank wire routing number?

This page lists 123205054, the primary routing number registered to Columbia 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 Columbia Bank before sending a wire.

Is ABA number 123205054 the routing number for Columbia Bank?

Yes. ABA number 123205054 is the primary routing number registered to Columbia 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 123205054?

Routing number 123205054 belongs to Columbia Bank, headquartered in Lake Oswego, OR. It is the bank's primary ABA routing number (FDIC certificate 17266).

Routing numbers of similar-size institutions in Oregon

Credit union, Portland, OR

Onpoint Community Credit Union: 323075880

Credit union, Eugene, OR

Oregon Community Credit Union: 323274461

Credit union, Oregon City, OR

Rivermark Community Credit Union: 323076012

Bank, Portland, OR

U.S. Bank Trust Company, N.A.: 123058515

Credit union, Springfield, OR

Selco Community Credit Union: 323274445

Credit union, Corvallis, OR

Oregon State Credit Union: 323274270

Credit union, Coquille, OR

First Community Credit Union: 323274238

Credit union, Salem, OR

Marion and Polk Schools Credit Union dba Maps Credit Union: 323276388

All routing numbers in Oregon