| Abbreviation | Definition |
|---|---|
| CCCU | California Coast Credit Union |
| CCCU | Capital Community Credit Union |
| CCCU | Cardinal Community Credit Union |
| CCCU | Choice Community Credit Union |
| CCCU | Christian Community Credit Union |
| CCCU | Citizens Community Credit Union |
| CCCU | Clawson Community Credit Union |
| CCCU | Coastal Community Credit Union |
| CCCU | College Community Credit Union (now Parma School Employees Credit Union) |
| CCFCU | Cheshire County Federal Credit Union |
| CCU | California Credit Union |
| CCU | Capitol Credit Union |
| CCU | Champion Credit Union |
| CCU | Chester Credit Union |
| CCU | City Credit Union |
| CCU | Cloverbelt Credit Union |
| CCU | College Credit Union |
| CCU | Colorado Credit Union |
| CCU | Columbia Credit Union |
| CCU | Commonwealth Credit Union |