The National Domestic Violence Hotline (NDVH) provides crisis intervention, safety planning, information and referral to victims of domestic violence, perpetrators, friends and families. Advocates have access to information about more than 5,000 shelters and domestic violence programs across the United States, US Territories and Canada. The Hotline is toll-free, confidential and anonymous. NDVH operates 24 hours a day, 365 days a year, in more than 170 different languages through interpreter services, with a TTY line available for the deaf, deaf-blind and hard of hearing.