Suggest Edits for MCC 440 MNC 51

Propose changes for the network operating as KDDI Corporation (au) in Japan. Your suggestions will be reviewed by an administrator before being published.

Network Location

Japan

Brand Name

The commercial brand name for the network.

Operator Name

The legal name of the network operator.

Network Description

KDDI Corporation, operating under the brand "au," is a major mobile network operator in Japan, playing a crucial role in the country's telecommunications landscape. Identified by the Mobile Country Code (MCC) 440, which designates Japan, and the Mobile Network Code (MNC) 51, "au" provides a wide range of mobile services to millions of subscribers across the nation. As one of the "big three" mobile carriers in Japan, alongside NTT Docomo and SoftBank, KDDI au competes fiercely in terms of coverage, speed, and innovative service offerings.

Known for its extensive network infrastructure and commitment to technological advancement, KDDI au offers 4G LTE and rapidly expanding 5G services, ensuring reliable connectivity for both individual consumers and businesses. Beyond basic connectivity, "au" often bundles its mobile plans with other services, such as internet and entertainment, adding value for its customers. Furthermore, the carrier actively participates in developing and deploying new technologies, contributing to Japan's position as a leader in mobile technology within Asia and the broader Middle East region, even though its primary operations are within Japan itself.

A brief description of the network, its history, or services.

TADIG Code (Optional)

Transferred Account Data Interchange Group code.

Dialling Code (Optional)

Country dialling code, if applicable to this network entry (e.g., for a specific MVNO service).

Notes for Reviewer (Optional)

Provide any additional context or sources for your suggested changes.

Suggest Edits for MCC 440 MNC 51

au (KDDI Corporation)

Network Location

2G Technologies

3G Technologies

4G Technologies

Other Technologies