Better Business Bureau
(312) 832-0500

Comcast
(888) 266-2278

Consumer Fraud Line
(800) 386-5438

Department of Transportation Auto Safety Hotline
(800) 424-9393

Federal Information Center
(800) 688-9889

Internal Revenue Service
(800) 829-1040

Social Security
4849 N. Milwaukee Avenue
Chicago, IL 60630
(800) 772-1213

U.S. Consumer Product
Safety Commission
(800) 638-2772

U.S. Food and Drug Administration
(888) 463-6332

Voter Registration & Information
(312) 269-7900