As of May 2015, the Centers for Disease Control has a 24-hour sexually transmitted disease hotline callers can reach at 800-227-8922. The CDC also has a 24-hour AIDS hotline callers can reach at 800-324-2437.
Callers can also contact the CDC's National Prevention Information Network at 800-458-5231 for provider referrals and sexually transmitted disease information. This hotline is available from 9 a.m. to 6 p.m. EST. NPIN's website at NPIN.CDC.gov has medical information and current research available for people interested in learning more about sexually transmitted diseases. People can use the website to find a service provider, learn basic information about sexually transmitted diseases, see current statistics and read the CDC's current recommendations.