Are there any companies that offer cell phone rentals?

Many companies, too many to list, offer cellphone rental options. You will find many of these services at busy airports, as travelers from Another Country may need to rent a temporary cellphone in order to communicate while abroad. Many car rental companies offer cellphone rental service along with their automobiles. If you favor one particular phone service, contact them to see if they have coverage in the place you are visiting; if they don't, you will need to rent a cellphone.