TOKYO--(BUSINESS WIRE)--NTT Communications Corporation (NTT Com), the ICT solutions and international communications business within the NTT (NYSE:NTT) Group, announced today that it will begin operating prepaid SIM card vending machines for foreign visitors to Japan at Narita International Airport from July 24. The prepaid SIM vending machines, the first to be installed at Narita International Airport, will give foreign tourists and business travelers access to low-cost mobile data communicati