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 Italy.)

Cellular carriers for Italy

Telecom Italia SpA (TIM)

Frequency: GSM 900/1800
Website: www.tim.it

Coverage Map

Vodafone Omnitel N.V.

Frequency: GSM 900/1800
Website: www.vodafone.it

Coverage Map (NONE)

Wind Telecomunicazioni SpA

Frequency: GSM 900/1800
Website: www.wind.it

Coverage Map (NONE)

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