Okinawa Cellular Telephone Company functions as a comprehensive telecommunications provider across Okinawa Prefecture, Japan. The firm delivers a range of connectivity solutions, including mobile phone services under the well-known au, UQ mobile, and povo brands, alongside extensive domestic and international communication offerings. Additionally, it offers internet access, such as fiber optic services, and supports digital financial transactions through its au WALLET prepaid and credit facilities, including the au PAY mobile payment platform. Established in 1991, the company maintains its main office in Naha, Japan. Okinawa Cellular Telephone Company operates as an affiliate of KDDI Corporation.