Japan·Asia & Middle East

au

OperatorKDDI Corporation

Live2G4G7 bands
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LocationJapanJP
Japan landscape

PLMN ID · 44076

440
mcc
Japan
76
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, is a major mobile network operator in Japan (MCC 440), a key player in the Asia & Middle East telecommunications landscape. Identified by its Mobile Network Code (MNC) 76, au provides a wide array of services, including mobile phone, fixed-line communications, and internet services. As one of Japan's leading carriers, au competes with networks such as NTT Docomo and SoftBank, offering advanced technologies like 5G and contributing significantly to Japan's position as a technology leader. The "au" branding is well-recognized throughout Japan. Beyond just mobile connectivity, au distinguishes itself through bundled services and strategic partnerships. They often offer enticing packages that combine mobile plans with electricity, internet, and entertainment options, fostering customer loyalty and increasing market share within the competitive Japanese telecoms sector. Au's network infrastructure is constantly evolving to deliver cutting-edge communication solutions to both consumers and businesses throughout the Japanese archipelago. Furthermore, as a prominent member of the Asia & Middle East telecommunications community, KDDI, through its "au" service, actively participates in regional discussions and collaborations shaping the future of mobile technology.

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