Because not all North American mobile phones and service plans are compatible with international networks, travelers should check with their local (i.e., domestic) carrier before departing.
Travelers should carry a mobile phone enabled with a global positioning system (GPS). Phones can be used to store electronic versions of documents (e.g., embassy and hospital contact information, insurance policies, medical data, passport copies, plane tickets) in email, JPG, or PDF format. Because not all North American mobile phones and service plans are compatible with international networks, travelers should check with their local (i.e., domestic) carrier before departing.