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Census 2010 Office Chicago Regional Census Center Citigroup Center 500 West Madison Room 1600 Chicago, IL 60661 (312) 454-2700 1-866-861-2010 |
U.S. Census Bureau Chicago Regional Office 1111 W. 22nd Street, Suite 400 Oak Brook, IL. 60523-1918 (630) 288-9200 or 1-800-865-6384 Fax: (630) 288-9288 TDD: (708) 562-1791 E-mail: chicago.regional.office@census.gov |
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