RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 850/1900

(This means you will need a GSM cellphone that will work on 850MHz or 1900Mhz to use it in Argentina.)

Cellular carriers for Argentina

AMX Argentina S.A. (CLARO ARGENTINA)

Frequency: GSM 850/1900
Website: www.claro.com.ar

Coverage Map (NONE)

Telecom Personal SA

Frequency: GSM 1900
Website: www.personal.com.ar

Coverage Map

Telefonica Moviles Argentina S.A (Movistar)

Frequency: GSM 850/1900
Website: www.movistar.com.ar/roaming

Coverage Map (NONE)

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