NCUA-insured credit union
St. Mark — Chicago, IL
Credit Union headquartered in Chicago, Illinois.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 8441 S Saint Lawrence Ave Chicago, IL 60619 |
| County | Cook |
| Website | not published in NCUA data |
| Phone | (773) 846-4433 |
NCUA record
| NCUA Charter | 61566 |
| Federal Reserve RSSD ID | 1015999 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
How to find your St. Mark routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
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Offices
| Cu Office main office Chicago, IL |
8441 S Saint Lawrence Ave, 60619 (773) 846-4433 Wednesday 10am-2pm Sunday 9am-12:30pm |
| Vital Records Chicago, IL |
8441 S Saint Lawrence Ave, 60619 (773) 846-4433 Wed 10:00 AM - 2:00 PMM-T-Th-Fr-Sat ClosedSun - 9:00 AM - 12:00 PM |
Where St. Mark has offices
Cities with the most St. Mark offices
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Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
