FDIC-insured bank
First National Bank of Waterloo — Waterloo, IL
Bank headquartered in Waterloo, Illinois, part of FIRST WATERLOO BANCSHARES INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 228 S Main St Waterloo, IL 62298 |
| County | Monroe |
| Metro area | St. Louis, MO-IL |
| Website | www.fnbwaterloo.bank |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 3842 |
| Federal Reserve RSSD ID | 145545 |
| Status | Active |
| Charter class | N (OCC) |
| Holding company | FIRST WATERLOO BANCSHARES INC |
| Domestic offices | 16 |
| Financials as of | June 30, 2026 |
How to find your First National Bank of Waterloo 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.fnbwaterloo.bank.
Share one credit line with people you trust. Everyone gets their own limit.
Offices nearest to headquarters
| First National Bank Of Waterloo main office Waterloo, IL |
228 S Main St, 62298 |
| North Facility Waterloo, IL |
744 N Market St, 62298 |
| Waterloo Wal-Mart Bkg. Center Branch Waterloo, IL |
961 N Market St, 62298 |
| Columbia Branch Columbia, IL |
1421 N Main St, 62236 |
| Millstadt Branch Millstadt, IL |
645 E Washington St, 62260 |
| Smithton Branch Smithton, IL |
4053 State Route 159, 62285 |
| Dupo Banking Center Branch Dupo, IL |
107 N 2nd St, 62239 |
| New Athens Branch New Athens, IL |
600 S Van Buren St, 62264 |
| Swansea Banking Center Branch Swansea, IL |
4101 N Illinois St, 62226 |
| O'Fallon Banking Center Branch O'Fallon, IL |
1177 N Green Mount Rd, 62269 |
| Collinsville Branch Collinsville, IL |
100 E Clay St, 62234 |
| Marissa Branch Marissa, IL |
720 E Lyons St, 62257 |
16 offices in total. Browse them by city through the state pages.
Where First National Bank of Waterloo has offices
Cities with the most First National Bank of Waterloo offices
Other banks headquartered in Waterloo
| State Bank | $295.85 million |
Largest banks headquartered elsewhere in Illinois
| BMO Bank National Association Chicago | $254.97 billion |
| The Northern Trust Company Chicago | $178.57 billion |
| CIBC Bank USA Chicago | $66.50 billion |
| Busey Bank Champaign | $18.15 billion |
| Byline Bank Chicago | $9.91 billion |
| Wintrust Bank, National Association Chicago | $9.57 billion |
| Lake Forest Bank & Trust Company, National Association Lake Forest | $9.25 billion |
| First Mid Bank & Trust, National Association Mattoon | $9.14 billion |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
