SAN MATEO CREDIT UNION Routing Number: 321174440
- Routing Number: 321174440
- Bank Name: SAN MATEO CREDIT UNION
- Address: 350 CONVENTION WAY
- State: CA
- Zip Code: 94063-0000
- Bank Phone: 650-363-1714
- Office Type: Main
- City: REDWOOD CITY
- Institution Status Code: 1