AMERICAN TRUST & SAVINGS B Routing Number: 073900522
- Routing Number: 073900522
- Bank Name: AMERICAN TRUST & SAVINGS B
- Address: P O BOX 938
- State: IA
- Zip Code: 52004-0938
- Bank Phone: 563-582-1841
- Office Type: Main
- City: DUBUQUE
- Institution Status Code: 1