GCS Credit Union
618.797.7993
GCS is a full-service financial institution serving the following counties in Illinois: Sangamon, Logan, Macon, Marion, Jefferson, Perry, Jackson, Williamson, Jersey, Macoupin, Montgomery, Madison, Bond, Clinton, St. Clair, Monroe, Washington and Randolph.

About GCS Credit Union in O'Fallon

GCS Credit Union has been in Illinois providing loans, basic savings, and other banking services since 1941! We started as a single location, but have grown to support Madison, St. Clair, Jersey, Macoupin, Montgomery, Bond, Clinton, Washington, Randolph, and Monroe counties.

There are many benefits to joining a credit union. We are a not-for-profit, member-owned financial cooperative. We focus on our members' financial needs, and aren't interested in making a profit off of them. Meet with one of our GCS Credit Union employees to learn more about how joining a credit union can benefit you and your comunity.

Hours

  • Monday 8:30am — 5:00pm
  • Tuesday 8:30am — 5:00pm
  • Wednesday 10:00am — 5:00pm
  • Thursday 8:30am — 5:00pm
  • Friday 8:30am — 6:00pm
  • Saturday 8:30am — 12:00pm