The Irish owned telecommunications firm, Digicel Pacific, says its committed to investing 100 million US dollars in French Polynesia.
It has been granted an operator's licence for the country.
Digicel Pacific already operates in six Pacific region countries and is based in Fiji.
Since its November 2006 launch Digicel Pacific says it has attracted 1.6 million customers in Samoa, Papua New Guinea, Tonga, Vanuatu, Fiji and Nauru - most of which were previously served by a state-owned mobile monopoly.
It has invested more than 500 million US dollars and now employs 1,100 people, with plans to expand to East Timor and Tahiti in the next 12 months.
Owned by Irish telecommunications entrepreneur Denis O'Brien, parent company Digicel in 2001 entered the Caribbean, and now boasts a total 10.3 million subscribers across 32 markets worldwide.