The Samaritans is a UK charity, founded in 1953, which exists to provide confidential emotional support to any person, who is suicidal or despairing; and to increase public awareness of issues around suicide and depression. This service is provided 24 hours every day by trained volunteers. ... If you need to speak to a Samaritan call. 08457 90 90 90 in the United Kingdom

Befrienders International is a registered charity, developing volunteer action to prevent suicide in 41 countries worldwide and providing information on the Internet. Their site features the world's most comprehensive directory of emotional first aid help lines.