| Business | Phone |
| Chicago City Treasurer 121 N La Salle St 106, Chicago 60602 | (312) 744-3360 |
| Chicago Finance Dept 121 N La Salle St 501, Chicago 60602 | (312) 744-9523 |
| Chicago Finance-Comptroller 33 N La Salle St 6, Chicago 60602 | (312) 744-8736 |
| Chicago Revenue Dept 121 N Lasalle St, Chicago 60602 | (312) 747-4747 |
| Chicago Revenue Dept 330 N Wabash Ave, Chicago 60611 | (312) 744-7275 |
| Chicago Revenue Dept 333 S State St, Chicago 60604 | (312) 747-4747 |
| Chicago Revenue Dept 510 N Peshtigo Ct, Chicago 60611 | (312) 744-4510 |
| Chicago Revenue Dept-Tax Div 333 S State St 300, Chicago 60604 | (312) 747-1190 |