BAY COMMERCIAL BANK Routing Number: 121143781
- Routing Number: 121143781
- Bank Name: BAY COMMERCIAL BANK
- Address: 1280 CIVIC DRIVE SUITE 100
- State: CA
- Zip Code: 94596-0000
- Bank Phone: 925-476-1800
- Office Type: Main
- City: WALNUT CREEK
- Institution Status Code: 1