Banks in ZIP code 51640 — Hamburg, IA
Branches
2
Banks
2
Deposits (2026)
$61M
All branches in 51640
- First Interstate Bank — 1020 Main St map ↗$44M
- Arbor Bank — 923 Main St map ↗$17M
Nearby ZIP codes
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits.