FDIC-insured bank
CNB St Louis Bank — Maplewood, MO
Bank headquartered in Maplewood, Missouri, part of CARDINAL BCORP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 7305 Manchester Rd Maplewood, MO 63143 |
| County | St. Louis |
| Metro area | St. Louis, MO-IL |
| Website | www.cnbstl.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 4549 |
| Federal Reserve RSSD ID | 870650 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | CARDINAL BCORP INC |
| Domestic offices | 6 |
| Financials as of | June 30, 2026 |
How to find your CNB St Louis 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.cnbstl.com.
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Offices nearest to headquarters
| Cnb St Louis Bank main office Maplewood, MO |
7305 Manchester Rd, 63143 |
| Affton Banking Center Branch Affton, MO |
9111 Mackenzie Rd, 63123 |
| Westport Banking Center Branch Maryland Heights, MO |
11812 Dorsett Rd, 63043 |
| Florissant Banking Center Branch Florissant, MO |
430 Saint Ferdinand St, 63031 |
| St. Charles Branch Saint Charles, MO |
2145 Bluestone Dr, 63303 |
| St. Peters Branch St. Peters, MO |
671 Salt Lick Rd, 63376 |
Where CNB St Louis Bank has offices
Cities with the most CNB St Louis Bank offices
Largest banks headquartered elsewhere in Missouri
| UMB Bank, National Association Kansas City | $71.90 billion |
| Commerce Bank Kansas City | $35.02 billion |
| The Central Trust Bank Jefferson City | $20.31 billion |
| Stifel Bank and Trust Saint Louis | $19.62 billion |
| Enterprise Bank & Trust Clayton | $17.36 billion |
| Stifel Bank Saint Louis | $14.62 billion |
| First Bank St. Louis | $6.65 billion |
| Great Southern Bank Reeds Spring | $5.53 billion |
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