National Prevention Information Network
The CDC National Prevention Information Network (NPIN) is the reference and referral service for information on HIV/AIDS, viral hepatitis, sexually transmitted diseases (STDs), and tuberculosis (TB).
Toll-free number
1-800-458-5231
Main address
PO Box 6003Rockville, MD 20849
Have a question?
Ask a real person any government-related question for free. They will get you the answer or let you know where to find it.