Japan·Asia & Middle East

au

OperatorKDDI Corporation

Live2G4G7 bands
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LocationJapanJP
Japan landscape

PLMN ID · 44050

440
mcc
Japan
50
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 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.

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