She said the majority of victims experienced a negative event in their life shortly before their death.
"People don't ask for help when they are having a tough time and we want to make sure they do."
The Mental Health Foundation's free Resource and Information Service (09 623 4812) will refer callers to some of these helplines:
Lifeline - 0800 543 354
Depression Helpline (8 am to 12 midnight) - 0800 111 757
Healthline - 0800 611 116
Samaritans - 0800 726 666 (for callers from the Lower North Island, Christchurch and West Coast) or 0800 211 211 / (04) 473 9739 (for callers from all other regions)
Suicide Crisis Helpline (aimed at those in distress, or those who are concerned about the wellbeing of someone else) - 0508 828 865 (0508 TAUTOKO)
Youthline - 0800 376 633, free text 234 or email talk@youthline.co.nz