Extern Community Crisis Intervention Service Extern Community Crisis Intervention Service Extern’s CCIS Project currently available to those in the Derry/ Londonderry area. CCIS currently is operating telephone support for those in distress and may come to significant harm through self-harm and suicidal behaviour. Recognising the possible detrimental effects that this current situation could be having on people's emotional well-being, and mindful of how some may now be feeling more isolated than normal. CCIS will now be operational during the following additional hours: Sunday, Monday, Tuesday & Wednesday 5pm - 10pm Thursday 8pm - Sunday 8am Tel : 028 7126 2300 Manage Cookie Preferences