The line usually receives about 25 calls a week from people seeking advice and volumes have since returned to normal.
Jolie tested positive for the genetic anomaly and chose to undergo a double mastectomy and breast reconstruction. She detailed the reasons for her decision in a heartfelt article in the New York Times published on May 14.
Ms Gautier said the publicity that followed helped women have a conversation about the issue and to ask about their family history. Every day, a New Zealand woman under 45 is diagnosed with breast cancer and overall, one in nine women will have the disease.
"Angelina's story seems to have had a really positive effect on people who've realised you can have breast cancer and can go on and have a great life, or have that risk and take steps, then get on with your life," Ms Gautier said.
In Australia, the Cancer Council of Victoria reported a 1033 per cent increase in calls to its helpline.
The X Factor contestant Benny Tipene has given an interview about his family's battle with breast cancer. The 23-year-old from Palmerston North dedicated one of his performances on the show to his mother, Annette, who was diagnosed two years ago.