Japan·Asia & Middle East

au

OperatorKDDI Corporation

Live2G4G7 bands
Suggest an edit
LocationJapanJP
Japan landscape

PLMN ID · 44073

440
mcc
Japan
73
mnc
au

MCC

Mobile Country Code

MNC

Mobile Network Code

PLMN

MCC + MNC

TADIG

Not on file

GSMA roaming code

Technology

2G · 4G on this network

3G

Not on record

5G

Not on record

Record

Updated 2025-04-09

Brand
au
Operator
KDDI Corporation
Country
Japan(JP)
Dialling code
Mobile Country Code
Mobile Network Code
PLMN ID
TADIG code
Technologies
2G · 4G7 bands on file
Status
Live

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About au

KDDI Corporation, operating under the "au" brand, stands as one of Japan's leading mobile network operators. Utilizing Mobile Country Code (MCC) 440, which identifies Japan, and Mobile Network Code (MNC) 73, au provides comprehensive mobile communication services across the nation. Competing fiercely with NTT Docomo and SoftBank, KDDI au has consistently pushed the boundaries of technological innovation, including early adoption of 4G LTE and a significant rollout of 5G services. Beyond its core network services, KDDI au offers a diverse range of services and products, including mobile payment solutions, smart home devices, and entertainment content, demonstrating its commitment to providing a holistic digital lifestyle ecosystem for its subscribers. Japan, situated in East Asia, is a mature mobile market with a high penetration rate. KDDI au plays a crucial role in connecting millions of people across the country. With a focus on customer satisfaction and cutting-edge technology, au has secured a prominent position in the Japanese telecommunications landscape. While its primary focus area is Japan, KDDI also has strategic international partnerships, impacting connectivity in several parts of the Asia & Middle East, through roaming agreements and technology collaborations, contributing to the region's interconnectedness. Furthermore, KDDI's initiatives support the continuous enhancement of mobile communication across Japan, especially in preparation for significant events like the Olympic Games where reliable and fast connectivity is paramount.

Change history

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