1ST SECURITY BANK OF WASHINGTON Routing Number: 325182289
- Routing Number: 325182289
- Bank Name: 1ST SECURITY BANK OF WASHINGTON
- Address: 6920 220TH STREET SOUTHWEST
- State: WA
- Zip Code: 98043-0000
- Bank Phone: 800-683-0973
- Office Type: Main
- City: MOUNTLAKE TERRACE
- Institution Status Code: 1