Private company

KDDI Mobile

KDDI Mobile was a mobile phone service operated in the United States. The brand was established under KDDI America – local branch of Japanese telecommunication company KDDI – to meet the needs of Japanese people living in the United States. The service originally operated on the Sprint network, and later on AT&T, as an MVNO.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

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KDDI Mobile was a mobile phone service operated in the United States. The brand was established under KDDI America – local branch of Japanese telecommunication company KDDI – to meet the needs of Japanese people living in the United States. The service originally operated on the Sprint network, and later on AT&T, as an MVNO. Initially targeting Japanese expatriates, they offered the Japanese-enabled KDDI Mobile 6600-J handset, and their plan minutes included calls to Japan.2

Corporate structure

KDDI Mobile is part of a group headed by Kyocera. 39 entities, 7 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

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