GCS Credit Union Locations
GCS Credit Union is currently serving Sangamon, Logan, Macon, Marion, Jefferson, Perry,
Jackson, Williamson, Jersey, Macoupin, Montgomery, Madison, Bond, Clinton,
St. Clair, Monroe, Washington and Randolph counties.
1119 S. Lincoln Ave.
O'Fallon, IL 62269
When it comes to your checking, savings, credit cards, and loans, you will
want to have a financial institution that you can trust for client-focused
service and flexible financial solutions. Residents of O'Fallon and
surrounding communities in St. Clair County can trust GCS Federal Credit
Union, which has been growing with the Southern Illinois region since
1941. We provide a wide range of services with the modern convenience
of online and mobile banking, eStatements, and online bill pay. As a credit
union, we serve our clients as members who are always the top priority
for our local bankers and loan officers.
3970 Maryville Road
Granite City, IL 62040
4150 Humbert Road
Alton, IL 62002