What to Expect When Calling a Hotline:
https://www.reddit.com/r/SWResources/comments/1c7ntr/suicide_hotline_faqs/

List of suicide hotlines worldwide:
https://www.reddit.com/r/SuicideWatch/wiki/hotlines

List of helpful resources for you if you are struggling with suicidal thoughts:
https://www.reddit.com/r/SWResources/comments/1c3p3z/helpful_resources_for_those_struggling_with/

https://www.reddit.com/r/SuicideWatch and https://www.reddit.com/r/Depression are outstandingly supportive and understanding communities, use them if you wish to have someone to talk to.

If you want to know more about suicide and depression, SAVE.org (Suicide Awareness Voices of Education) and AFSP.org (American Foundation for Suicide Prevention) have very comprehensible lists of resources.