Suicide Hotline: 1-800-SUICIDE (2433) – Can use in US, U.K., Canada and Singapore
Suicide Crisis Line: 1-800-999-9999
National Suicide Prevention Helpline: 1-800-273-TALK (8245)
National Adolescent Suicide Helpline: 1-800-621-4000
Postpartum Depression: 1-800-PPD-MOMS
NDMDA Depression Hotline – Support Group: 1-800-826-3632
Veterans: 1-877-VET2VET
Crisis Help Line – For Any Kind of Crisis: 1-800-233-4357
Suicide & Depression Crisis Line – Covenant House: 1-800-999-9999
Survivors of Bereavement by Suicide: (UK only) 0844-561-6855
Beyondblue Info Line: (Australia only) 1300-22-4636
24/7 Crisis Line:(Canada only) 905-522-1477
Lifeline Australia: 13-11-14

Numbers for Domestic Abuse

National Child Abuse Helpline: 1-800-422-4453
National Domestic Violence Crisis Line: 1-800-799-SAFE (7233)
National Domestic Violence Hotline (TDD): 1-800-787-32324
Center for the Prevention of School Violence: 1-800-299-6504
Child Abuse Helpline: 1-800-4-A-CHILD (1-800-422-4453)
Domestic Violence Helpline: 1-800-548-2722
Healing Woman Foundation (Abuse): 1-800-477-4111
Child Abuse Hotline Support & Information: 1-800-792-5200
Women’s Aid National Domestic Violence Helpline: (UK Only) 0345 023 468
Sexual Abuse Centre: (UK Only) 0117 935 1707
Sexual Assault Support (24/7, English & Spanish): 1-800-223-5001
Domestic & Teen Dating Violence (English & Spanish: 1-800-992-2600
Relationships Australia: 1300-364-277

Numbers for Alcohol & Drug Abuse

National Association for Children of Alcoholics: 1-888-55-4COAS (1-888-554-2627)
National Drug Abuse: 1-800-662-HELP (4357)
Al-Anon/Alateen Hope & Help for young people who are the relatives & friends
of a problem drinker: 1-800-344-2666
Alcohol/Drug Abuse Hotline: 1-800-662-HELP (4357)
Be Sober Hotline: 1-800-BE-SOBER (1-800-237-6237)
Cocaine Help Line: 1-800-COCAINE (1-800-262-2463)
24 Hour Cocaine Support Line: 1-800-992-9239
Ecstasy Addiction: 1-800-468-6933
Marijuana Anonymous: 1-800-766-6779

Numbers for Youth & Teen Hotlines

National Youth Crisis Support: 1-800-448-4663
Youth America Hotline: 1-877-YOUTHLINE (1-877-968-8454)
Covenant House Nine-Line (Teens): 1-800-999-9999
Boys Town National: 1-800-448-3000
Teen Helpline: 1-800-400-0900
TeenLine: 1-800-522-8336
Youth Crisis Support: 1-800-448-4663 or 1-800-422-0009
Runaway Support (All Calls are Confidential): 800-231-694
National Runaway Hotline: (US only) 1800-231-6946
Child Helpline: (UK Only) 0800-111
Kids Helpline: (Australia) 1800-55-1800
Youth to Youth: (UK only) 020-8896-3675
Kids Help Phone Canada: 1800-688-6868
National Youth Crisis Hotline:(US only) 800-442-442-4673

Numbers for Pregnancy Hotlines

AAA Crisis Pregnancy Center: 1-800-560-0717
Pregnancy Support: 1-800-4-OPTIONS (1-800-467-8466)
Pregnancy National Helpline: 1-800-356-5761
Young Pregnant Support: 1-800 550-4900

Gay and Lesbian Hotlines:

The Trevor Helpline (for homosexuality questions or problems): 1-800-850-8078
Gay & Lesbian National Support: 1-888-THE-GLNH (1-888-843-4564)
Gay, Lesbian, Bisexual, and Transgender (GLBT) Youth Support Line: 1-800-850-8078
Lesbian & Gay Switchboard: (UK Only) 0121 622 6589
Lothian Gay & Lesbian Switchboard – Scotland: (Scotland Only) 0131 556 4049

Numbers for Other Hotlines

Self-Injury Support: 1-800-DONT CUT (1-800-366-8288) (www.selfinjury.com)
o Eating Disorders Awareness and Prevention: 1-800-931-2237
( Hours: 8am-noon daily, PST)
Eating Disorders Center: 1-888-236-1188
Help Finding a Therapist: 1-800-THERAPIST (1-800-843-7274)
Panic Disorder Information and Support: 1-800-64-PANIC (1-800-647-2642)
TalkZone (Peer Counselors): 1-800-475-TALK (1-800-475-2855)
Parental Stress Hotline: 1-800-632-8188
Parent Help Line (Australia only): 1300-364-100
National AIDS Helpline: (UK Only) 0800 567 123
Mensline Australia: 1300-789-978

Want a country by country list? Here are some more resources: helplines

The following sites also provides a country by country list of helplines available:

befrienders
international suicide hotlines
ibiblio
S.A.F.E. Alternatives® | Locations

Accepting help is BRAVE! Mental illness is real!