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 Finland.)

Cellular carriers for Finland

Alands Mobiltelefon Ab

Frequency: GSM 900
Website: www.gsm.aland.fi

Coverage Map

DNA Finland Ltd

Frequency: GSM 900/1800
Website: www.dna.fi/en

Coverage Map

Elisa Corporation

Frequency: GSM 900/1800
Website: www.elisa.com/en

Coverage Map

TeliaSonera Finland Oyj

Frequency: GSM 900/1800
Website: www.sonera.fi/en

Coverage Map

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