RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 850/1800/1900

(This means you will need a GSM cellphone that will work on 850MHz, 1800Mhz or, 1900Mhz to use it in Uruguay.)

Cellular carriers for Uruguay

AM Wireless Uruguay S.A. (CLARO URUGUAY)

Frequency: GSM 1900
Website: www.claro.com.uy

Coverage Map (NONE)

ANTEL

Frequency: GSM 1800
Website: www.antel.com.uy

Coverage Map

Telefonica Moviles Del Uruguay S.A. (MOVISTAR)

Frequency: GSM 850/1900
Website: www.movistar.com.uy

Coverage Map (NONE)

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