FDIC-insured bank
Bank 1st — West Union, IA
Bank headquartered in West Union, Iowa, part of FNB BANSHARES INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 115 N Vine St West Union, IA 52175 |
| County | Fayette |
| Website | www.bank1stia.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 13816 |
| Federal Reserve RSSD ID | 142049 |
| Status | Active |
| Charter class | SM (STATE) |
| Holding company | FNB BANSHARES INC |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
How to find your Bank 1st 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.bank1stia.com.
Share one credit line with people you trust. Everyone gets their own limit.
Offices nearest to headquarters
| Bank 1St main office West Union, IA |
115 N Vine St, 52175 |
| Drive-In Branch West Union, IA |
302 W Bradford St, 52175 |
| St. Lucas Branch Saint Lucas, IA |
100 E Main St, 52166 |
Where Bank 1st has offices
Cities with the most Bank 1st offices
Largest banks headquartered elsewhere in Iowa
| Principal Bank Des Moines | $9.84 billion |
| Bankers Trust Company Des Moines | $7.83 billion |
| Hills Bank and Trust Company Hills | $4.79 billion |
| West Bank West Des Moines | $4.03 billion |
| Northwest Bank Spencer | $3 billion |
| Cedar Rapids Bank and Trust Company Cedar Rapids | $2.90 billion |
| Quad City Bank and Trust Company Bettendorf | $2.77 billion |
| Fidelity Bank & Trust Dubuque | $2.60 billion |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
