| Business | Phone |
| Alton Bell Credit Union 325 Market St D-1, Alton 62002 | (618) 462-3413 |
| Alton Municipal Credit Union 3212 College Ave, Alton 62002 | (618) 462-8771 |
| State Employees Credit Union 4500 College Ave, Alton 62002 | (618) 462-5229 |
| Electrogas Credit Union 700 Oakwood Ave, Alton 62002 | (618) 463-4095 |
| Laclede Community Credit Union 3401 E Broadway, Alton 62002 | (618) 465-2504 |