Acronym list......:
HHS/OS/IOS/OIGA/OSRR/R-V
Phone..............:
312-353-5160
Postal address...:
233 N. Michigan Ave., Suite 1300, Chicago, IL 60601
Web site..........:
https://www.hhs.gov/about/agencies/iea/regional-offices/region-5/index.html
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Last Revised: September 15, 2019