Docomo

NTT DoCoMo, Inc., commonly known as DoCoMo, is a Japanese mobile network operator and a subsidiary of Nippon Telegraph and Telephone Corporation (NTT). It provides wireless voice and data services across Japan and operates under the NTT Group umbrella, with headquarters in Tokyo. DoCoMo is one of the largest mobile operators in the country and engages in network development, device services, and related digital offerings.

DoCoMo originated as part of NTT in the early 1990s and played a pivotal role in the development of mobile data services. It launched i-mode in 1999, an early mobile internet service that helped popularize mobile content and applications. In the 2000s the company introduced a 3G network based on W-CDMA, marketed as FOMA in Japan, enabling higher data speeds and multimedia services. The rollout of 4G LTE followed, and more recently DoCoMo has deployed 5G services nationwide, aligning with broader 5G initiatives in Japan.

The company offers a range of services, including voice telephony, mobile data, messaging, and value-added services. It also supports content portals, mobile payments, and various ecosystem partnerships. DoCoMo provides roaming and enterprise solutions, along with device financing options and customer loyalty programs, aiming to integrate telecommunications with digital and over-the-top services.

As a major operator in Japan, DoCoMo maintains extensive network infrastructure and investment in next-generation technologies. It collaborates with device manufacturers, content providers, and other members of the NTT Group to advance mobility services, digital platforms, and innovation in the Japanese market.