RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 900/1800

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

Cellular carriers for Estonia

AS EMT (EMT GSM)

Frequency: GSM 900/1800
Website: www.emt.ee

Coverage Map

Elisa Eesti AS

Frequency: GSM 900/1800
Website: www.elisa.ee

Coverage Map

Tele2 Eesti AS

Frequency: GSM 900/1800
Website: www.tele2.ee

Coverage Map

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