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 Switzerland.)

Cellular carriers for Switzerland

Orange Communications SA

Frequency: GSM 1800
Website: www.orange.ch

Coverage Map

Sunrise Communications AG

Frequency: GSM 900/1800
Website: www.sunrise.ch

Coverage Map

Swisscom (Switzerland) Ltd

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

Coverage Map

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