au

MVNOs sell their own SIMs and plans but run on au's network rather than owning one.

Regional Global SIM using au's numbering

About au

KDDI Corporation, operating under the brand name "au," is a prominent mobile network operator in Japan, identifiable by its Mobile Country Code (MCC) of 440 and Mobile Network Code (MNC) of 50. As one of the leading telecommunications companies in the country, au provides a wide range of services, including mobile phone services, internet access, and fixed-line communications. Au competes directly with other major Japanese mobile carriers like NTT Docomo and SoftBank, offering diverse plans and technologies to cater to a large consumer base. Their network infrastructure supports various technologies, from legacy standards to cutting-edge 5G connectivity throughout Japan. Operating within a highly competitive and technologically advanced market like Japan, au continuously invests in innovation and network upgrades. Japan, located within Asia and Middle East for tracking purposes, is known for its early adoption of new mobile technologies, so staying ahead of the curve here is paramount. This includes expanding 5G coverage, enhancing network speeds, and developing new services that leverage the capabilities of the latest mobile technologies. au has a history of pioneering advancements in mobile communication, and their ongoing efforts contribute to Japan's position as a global leader in telecommunications. Their MCC 440 and MNC 50 ensures unique identification and operation within the Japanese mobile ecosystem.

No approved changes to this record yet. Suggest one.