| Business | Phone |
| Chicago Library Adult Svc 400 S State St, Chicago 60605 | (312) 747-4330 |
| Chicago Library Catalog Info 400 S State St, Chicago 60605 | (312) 747-4340 |
| Chicago Library Music Info Ctr 400 S State St, Chicago 60605 | (312) 747-4850 |
| Chicago Library Spanish Info 400 S State St, Chicago 60605 | (312) 747-4791 |