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 Austria.)

Cellular carriers for Austria

Mobilkom Austria AG (A1)

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

Coverage Map

Orange Austria Telecommunication GmbH

Frequency: GSM 1800
Website: www.orange.at

Coverage Map

T-Mobile Austria GmbH (telering)

Frequency: GSM 900/1800
Website: www.t-mobile.at

Coverage Map

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