au

KDDI Corporation, operating under the "au" brand, stands as a major mobile network operator in Japan. Identified by the Mobile Country Code (MCC) 440 and Mobile Network Code (MNC) 72, au provides a wide range of telecommunications services, including mobile phone services, fixed-line broadband, and internet services, connecting millions of users across the country. As one of the leading players in the competitive Japanese mobile market alongside NTT Docomo and SoftBank, au has consistently pushed boundaries in technological innovation, being one of the first to deploy 4G LTE and now actively rolling out 5G services throughout Japan, reflecting the nation's push for advanced digital infrastructure. Within the Asia & Middle East region, Japan represents a highly developed telecommunications market. KDDI au’s commitment to technological advancement and customer-centric services has solidified its position as a key player. Compared to some networks within the region, KDDI au offers advanced services and coverage, driven by the demands of a tech-savvy population. They frequently offer competitive data plans and innovative handset deals to maintain and grow their subscriber base. The company's investment in network infrastructure and partnerships allows it to compete effectively against other dominant Japanese operators and regional networks.