RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 850/900/1900

(This means you will need a GSM cellphone that will work on 850MHz, 900Mhz, or 1900Mhz to use it in Guatemala.)

Cellular carriers for Guatemala

COMCEL-Communicaciones Celulares Sociedad Anonima (COMCEL GUATEMALA)

Frequency: GSM 850
Website: www.tigo.com.gt

Coverage Map (NONE)

Telecomunicaciones De Guatemala, S.A. (TELGUA) (CLARO)

Frequency: GSM 900/1900
Website: www.claro.com.gt

Coverage Map (NONE)

Telefonica Moviles Guatemala, SA

Frequency: GSM 1900
Website: www.telefonica.com.gt

Coverage Map (NONE)

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