Yes. Internet cafés often have fax machines, and some hotels may have business centers with fax machines.
Can I Use My Cell Phone In Guatemala?
How Do I Dial From Guatemala to the U.S.?
How Do I Dial From the U.S. To Guatemala?
What Is Guatemala's Time Zone?
What Are Other International Calling Codes in Guatemala?
How Long Will It Take a Postcard To Reach The U.S. in Guatemala?
What Is Internet Access Like In Guatemala?