FDIC-insured bank
American Bank, National Association
Bank headquartered in Le Mars, Iowa, part of AMBANK CO INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 234 5th Ave Sw Le Mars, IA 51031 |
| County | Plymouth |
| Website | www.am-bank.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 5800 |
| Federal Reserve RSSD ID | 345345 |
| Status | Active |
| Charter class | N (OCC) |
| Holding company | AMBANK CO INC |
| Domestic offices | 2 |
| Financials as of | June 30, 2026 |
Routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.am-bank.com.
See how your odds compare before you apply at American Bank, National Association.
Offices nearest to headquarters
| American Bank, National Association main office Le Mars, IA |
234 5th Ave Sw, 51031 |
| Remsen Branch Remsen, IA |
400 W Hwy 3, 51050 |
Where American Bank, National Association has offices
Other banks headquartered in Le Mars
| Primebank | $800.58 million |