BLACKHAWK CREDIT UNION Routing Number: 275978048
- Routing Number: 275978048
- Bank Name: BLACKHAWK CREDIT UNION
- Address: 2640 W COURT STREET
- State: WI
- Zip Code: 53548-0000
- Bank Phone: 608-755-6065
- Office Type: Main
- City: JANESVILLE
- Institution Status Code: 1