| Abbreviation | Definition |
|---|---|
| TFCU | Toyota Federal Credit Union |
| TFCU | Tracy Federal Credit Union |
| TFCU | Transtar Federal Credit Union |
| TFCU | Trenton Federal Credit Union |
| TFCU | Triangle Federal Credit Union |
| TFCU | Tropical Federal Credit Union |
| TFCU | Truliant Federal Credit Union |
| TFCU | TruStar Federal Credit Union |
| TFCU | Tucoemas Federal Credit Union |
| TFCU | Tucson Federal Credit Union |
| TFCU | Tyco Federal Credit Union |
| TFCU | Tyndall Federal Credit Union |
| TFCUM | Teacher Federal Credit Union of Minnesota |
| TGFCU | Technology Groups Federal Credit Union |
| TMHFCU | Tallahassee Memorial Hospital Federal Credit Union |
| TNNB | Town North National Bank |
| TTCU | Texas Trust Community Credit Union |
| UACU | UNC (University of North Carolina) Alumni Credit Union |
| UCCU | United Community Credit Union |
| UCCU | Unitus Community Credit Union |