*The administrative headquarters address has changed. To avoid late payments or other inconveniences, please note our new mailing address. If you use an external Bill Payer, please update with our new address.

The new address is:

Seattle Metropolitan Credit Union
1521 1st Ave S, Ste 500
Seattle, WA 98134

The Downtown Branch and other branches will stay at their same convenient locations.

ABA Routing Number: 325081500

Debit and Credit Card Numbers:

Insurance and Warranty Numbers:

SMCU Contact Information

Send a Secure Email to the Contact Center

Log into Online Banking and click the MESSAGES link on the left to send secure inquiries and incident tickets to our Contact Center representatives 24/7. You can see a record of your past inquiries and get email alerts when your ticket has been updated.

Call the Contact Center:

206-398-5500 or 800-334-2489

Contact Center Hours:

Mon - Fri - 8am to 6pm
Sat - 10am to 2pm

Call our Loan Experts:


Additionally, you can complete the form below to contact us. 

We will respond to your inquiry as soon as possible.

Note: Do not include any personal account information, such as member number, account numbers, or social security numbers.