Credit Unions in O Fallon, Missouri

There are 1 federally insured credit unions in O Fallon, Missouri according to NCUA Q4 2025 data.

Yes. All credit unions listed here are federally insured by the National Credit Union Administration (NCUA) up to $250,000 per depositor, per ownership category — the same protection offered by FDIC insurance at banks.

Each credit union has its own membership eligibility criteria — often based on employer, community, association, or family ties. Click on any credit union to view its membership type and contact information. Many O Fallon credit unions offer community charters open to anyone who lives, works, or worships in the area.