For this, I'm going to divide into categories some hotlines that you or someone you know can call if they're in need of help.
Mental Health Hotlines
Depression and Bipolar Support Alliance
Phone: 1-800-826-3632
Anxiety and Depression Association of America
Phone: 240-485-1001
Borderline Personality Disorder
Phone: 1-888-482-7227
International OCD Foundation
Phone: 617-973-5801
Schizophrenia
Phone: 1-800-826-3632
Children & Adults With ADD/ ADHD
Phone: 800-233-4050
Suicide/ Crisis Hotlines
American Foundation for Suicide Prevention
Phone: 1-888-333-2377
Suicide Prevention Hotline
Phone: 1-800-273-8255
National Domestic Abuse Hotline
Phone: 1-800-799-7233
Finding Treatment
SAMHSA Treatment Locator
Phone: 800-662-4357