In the fourth quarter of fiscal year 2024, au (by KDDI) recorded more than **Â million mobile phone subscriptions in the Kanto region. The Kanto region includes Tokyo Prefecture as well as six other prefectures. In the region of Okinawa, au is marketed by Okinawa Cellular Telephone Company.
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TCA. (September 8, 2025). Number of au (by KDDI) mobile phone subscriptions in Japan in 4th quarter of fiscal year 2024, by area (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/757371/au-kddi-subscribers-by-area-japan/
TCA. "Number of au (by KDDI) mobile phone subscriptions in Japan in 4th quarter of fiscal year 2024, by area (in millions)." Chart. September 8, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/757371/au-kddi-subscribers-by-area-japan/
TCA. (2025). Number of au (by KDDI) mobile phone subscriptions in Japan in 4th quarter of fiscal year 2024, by area (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/757371/au-kddi-subscribers-by-area-japan/
TCA. "Number of Au (by Kddi) Mobile Phone Subscriptions in Japan in 4th Quarter of Fiscal Year 2024, by Area (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 8 Sep 2025, /statistics/757371/au-kddi-subscribers-by-area-japan/
TCA, Number of au (by KDDI) mobile phone subscriptions in Japan in 4th quarter of fiscal year 2024, by area (in millions) ÌÇÐÄÆƽâ°æ, /statistics/757371/au-kddi-subscribers-by-area-japan/ (last visited July 24, 2026)
Number of au (by KDDI) mobile phone subscriptions in Japan in 4th quarter of fiscal year 2024, by area (in millions) [Graph], TCA, September 8, 2025. [Online]. Available: /statistics/757371/au-kddi-subscribers-by-area-japan/
