Contact
Chicago
U.S. Census Bureau
Chicago Regional Office
1111 W. 22nd Street, Suite 400
Oak Brook, IL 60523-1918
Phone: (630) 288-9200 or 1-800-865-6384
Fax: (630) 288-9288
TDD: (708) 562-1791
Office hours
are Monday through Friday, 8:00 a.m. - 5:00 p.m., central standard
time
E-mail: chicago.regional.office@census.gov