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