Japan·Asia & Middle East

IIJmio

OperatorInternet Initiative Japan Inc.

Live1 band
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LocationJapanJP
Japan landscape

PLMN ID · 44003

440
mcc
Japan
03
mnc
IIJmio

MCC

Mobile Country Code

MNC

Mobile Network Code

PLMN

MCC + MNC

TADIG

Not on file

GSMA roaming code

Technology

No generations on record

2G

Not on record

3G

Not on record

4G

Not on record

5G

Not on record

Other bands

Record

Updated 2025-04-09

Brand
IIJmio
Operator
Internet Initiative Japan Inc.
Country
Japan(JP)
Dialling code
Mobile Country Code
Mobile Network Code
PLMN ID
TADIG code
Technologies
Ungrouped1 band on file
Status
Live

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About IIJmio

Internet Initiative Japan Inc. (IIJmio) is a prominent Mobile Virtual Network Operator (MVNO) based in Japan, operating within the Asia & Middle East region. Utilizing the Mobile Country Code (MCC) 440, which identifies Japan, and the Mobile Network Code (MNC) 03, IIJmio offers a variety of data and voice plans to consumers, often at competitive prices compared to major carriers like NTT Docomo, KDDI (au), and SoftBank. As an MVNO, IIJmio leverages the infrastructure of one or more of these established networks to provide its services, leading to a wide availability across the country. The flexibility and affordability of IIJmio have made it a popular choice for budget-conscious users and those seeking customizable data options. IIJmio distinguishes itself through its diverse service offerings, including pre-paid and post-paid plans, along with various SIM card options (data-only, voice, and SMS). Many users appreciate the ability to switch between data allowances and throttle speeds to conserve data usage, something not always readily available with larger competitors. Furthermore, IIJmio's active online community and customer support system fosters user engagement and helps troubleshoot issues. The network’s commitment to providing value-added services and a seamless user experience has contributed significantly to its growth, solidifying its position as a respected MVNO within Japan’s dynamic telecommunications landscape.

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