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Routing Number: 221271935

Routing Number: 221271935



Your money can work harder. Open to new and existing customers.

Lock In a Fixed Rate

Your 4.00% APY is set through March 31, 2027 on balances of $1,000+, so you know exactly what you're earning

Keep Your Money Accessible

Earn a competitive rate without locking it away like a CD. Your funds stay available when you need them

Start With New Money of $20,000

Open online or at a participating branch with $20,000+ in new money (funds not currently on deposit at Columbia Bank) and no monthly maintenance fee or minimum balance requirement

Unlock Extra Benefits

Once the promotional period ends, you can pair your account with Advantage Plus Checking to earn higher rates through Advantage Rewards pricing

Save With Confidence

For nearly 100 years, and with over 100 locations, Columbia Bank has helped people reach their financial goals

Enjoy Service You Can Count On

We combine the strength and capabilities of a larger bank along with trusted, local service to deliver the high level of personalized guidance you deserve

Open your account online in minutes or visit your nearest participating Columbia Bank branch.

No checking account required.

Open Account

[1] Annual Percentage Yield (APY). Relationship Money Market is a promotional, interest-bearing consumer account with a fixed introductory rate through March 31, 2027. During the promotional period, daily balances of $0.01–$999.99 earn 0.10% APY and balances of $1,000 and above earn 4.00% APY. After March 31, 2027, rates will become variable and the account will be eligible for Advantage Rewards pricing. Minimum opening deposit must consist of at least $20,000 in New Money. New Money is defined as deposits not previously held by Columbia Bank. Interest is compounded and credited monthly. No monthly Maintenance Service Charge or minimum balance requirement applies. Fees may reduce earnings. APYs are accurate as of August 10, 2026. Offer may be withdrawn at any time.

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Automatic Translation Disclaimer

To help visitors understand information on this website in a variety of languages, Columbia Bank offers GoogleTM Translate, an unaffiliated third party service, which automates translation of the website. The GoogleTM Translate automated translation tool is not perfect and should not be relied upon. Automated translation may miss context, the full meaning may be lost, or words, phrases or sentences may be inaccurately translated. In addition, to the extent GoogleTM Translate caches and presents older versions of the Columbia Bank website content, that is beyond the control of the Columbia Bank site and its operators who accept no responsibility or liability for the outdated translation.

As a result, Columbia Bank does not make any promises, assurances, or guarantees as to the accuracy of the translations provided or the accuracy of the converted text. Columbia Bank and its affiliates disclaim and will not accept any liability for damages or losses of any kind caused by or arising out of the use of or reliance on the Google Translate feature. Where there is any question, the English version is always the authoritative version of the website.

Some items on the site may not be translated such as images containing text, documents, maps, and web page elements. In addition, some features on the site may not work in the translated versions. If you have any questions about information that appears on our site, please contact us.

Please be advised that deposit and loan disclosures and contractual documents will only be provided in English.

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