RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 900

(This means you will need a GSM cellphone that will work on 900MHz to use it in the Cook Islands.)

Cellular carriers for the Cook Islands

Telecom Cook Islands

Frequency: GSM 900
Website: www.telecom.co.ck

Coverage Map (NONE)

If you've used either of these networks or roamed in the Cook Islands, please post about your experience and the cost. Feel free to ask questions.