RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 850/900/1800

(This means you will need a GSM cellphone that will work on 850MHz, 900Mhz, or 1800Mhz to use it in Jamaica.)

Cellular carriers for Jamaica

Digicel (Jamaica) Limited

Frequency: GSM 900/1800
Website: www.digiceljamaica.com

Coverage Map

Oceanic Digital Jamaica Limited (Claro Jamaica)

Frequency: GSM 850
Website: www.claro.com.jm

Coverage Map (NONE)

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