FDIC-insured bank
Grand Ridge National Bank — Wheaton, IL
Bank headquartered in Wheaton, Illinois, part of PREMIER COMMERCE BCORP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 500 S County Farm Rd Wheaton, IL 60187 |
| County | Dupage |
| Metro area | Chicago-Naperville-Elgin, IL-IN-WI |
| Website | www.GRNbank.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 3674 |
| Federal Reserve RSSD ID | 875132 |
| Status | Active |
| Charter class | N (OCC) |
| Holding company | PREMIER COMMERCE BCORP INC |
| Domestic offices | 2 |
| Financials as of | June 30, 2026 |
How to find your Grand Ridge National Bank 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.GRNbank.com.
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Offices nearest to headquarters
| Grand Ridge National Bank main office Wheaton, IL |
500 S County Farm Rd, 60187 |
| Grand Ridge Branch Grand Ridge, IL |
105 W Main St, 61325 |
Where Grand Ridge National Bank has offices
Cities with the most Grand Ridge National Bank offices
Other banks headquartered in Wheaton
| Wheaton Bank & Trust, National Association | $4.79 billion |
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 |
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