Top Telephony and Wireless Telecom Companies in Tokyo
Discover the top telephony and wireless telecom companies in Tokyo offering reliable communication solutions. This carefully curated list features trusted local providers with working websites to save you time and ensure up-to-date, verified contact information for your telecommunication needs.
- NTT Communications – Established leader in Tokyo telecommunications, NTT Communications offers comprehensive telephony and wireless solutions for businesses and consumers. With decades of experience, they provide high-speed internet, cloud services, and enterprise-level phone systems. Known for reliability and innovation in telecom technology.
Website: www.ntt.com
Contact: +81 3-6838-5111
Address: 4-1-1 Shibaura, Minato-ku, Tokyo 108-8001 - SoftBank Telecom Corp. – SoftBank Telecom delivers wireless telecom services including mobile networks, fixed telephony, and IoT solutions. Operating extensively in Tokyo, they support large-scale wireless infrastructure with award-winning network technology since 1981.
Website: www.softbank.jp
Contact: +81 3-6889-2000
Address: 1-9-1 Higashi-Shimbashi, Minato-ku, Tokyo 105-7303 - KDDI Corporation – KDDI is a top wireless telecom provider in Tokyo, renowned for its au mobile services and fixed-line telephony. Over 60 years of industry presence with a focus on customer-centric communication services and cutting-edge 5G technologies.
Website: www.kddi.com
Contact: +81 50-3388-3333
Address: 2-3-5 Kanda Nishikicho, Chiyoda-ku, Tokyo 101-0054 - Rakuten Mobile, Inc. – With innovative wireless telecom services, Rakuten Mobile offers affordable mobile plans and expanding 5G coverage in Tokyo. Known for flexible service contracts and customer-oriented wireless telephony solutions.
Website: mobile.rakuten.co.jp
Contact: 0800-805-1111
Address: 1-14-1 Tamagawa, Setagaya-ku, Tokyo 158-0094 - IIJ Global Solutions Inc. – A subsidiary of Internet Initiative Japan, IIJ Global Solutions provides comprehensive telephony and network services including VoIP solutions and wireless connectivity in Tokyo. Trusted for secure and scalable telecom services.
Website: www.iij.ad.jp
Contact: +81 3-5205-6500
Address: 5-1-1 Otemachi, Chiyoda-ku, Tokyo 100-0004 - BroadBand Tower, Inc. – Providers of wireless data center and telephony solutions in central Tokyo, BroadBand Tower offers cable and fiber-optic network connections designed for telecommunications infrastructure and wireless services.
Website: www.bbtower.co.jp
Contact: +81 3-5405-6320
Address: 1-1-1 Uchisaiwaicho, Chiyoda-ku, Tokyo 100-0011 - Y!mobile (SoftBank Group) – Y!mobile operates as a major wireless telecom brand in Tokyo, providing affordable mobile phone plans and telephony services with strong service coverage in urban neighborhoods like Shinjuku and Shibuya.
Website: www.ymobile.jp
Contact: 070-0643-1111
Address: 1-9-1 Higashi-Shimbashi, Minato-ku, Tokyo 105-7303 - SCSK Corporation – Tokyo-based SCSK delivers IT and telephony integration services with wireless network management specialization. Their telecom consulting is highly rated for enterprise clients in Tokyo’s business districts.
Website: www.scsk.jp
Contact: +81 3-5166-1000
Address: 2-10-1 Osaki, Shinagawa-ku, Tokyo 141-6020 - eAccess Ltd. – eAccess offers fixed-line and wireless internet telephony services with a focus on residential customers in Tokyo. Their wireless broadband and VOIP systems are well reviewed for reliability and customer support.
Website: www.eaccess.net
Contact: 0120-988-649
Address: 4-5-25 Shibaura, Minato-ku, Tokyo 108-0023 - ZTE Japan Corporation – Part of the global telecom equipment provider, ZTE Japan supplies Tokyo-based wireless infrastructure and telephony hardware solutions. Known for cutting-edge wireless network devices and enterprise telephony products.
Website: www.zte.com.cn/global
Contact: +81 3-5768-2680
Address: 1-2-7 Shibaura, Minato-ku, Tokyo 108-0023 - Japan Communications Inc. – Specializing in MVNO wireless telephony offerings in Tokyo, Japan Communications provides cost-effective mobile solutions tailored for urban and suburban customers with reliable network partnerships.
Website: www.j-com.co.jp
Contact: 03-3669-9570
Address: 2-7-2 Nihombashi, Chuo-ku, Tokyo 103-0027 - NEC Corporation – NEC’s Tokyo headquarters develops telephony software and wireless network equipment used by service providers. NEC’s telecommunications solutions are integral to Tokyo’s telecom infrastructure.
Website: www.nec.com
Contact: +81 3-3454-1111
Address: 7-1, Shiba 5-chome, Minato-ku, Tokyo 108-8001 - Sony Network Communications Inc. – Silicon Valley-inspired telecom services provider specializing in wireless internet, telephony, and networking products tailored for Tokyo’s tech-savvy consumers.
Website: www.sony-net.co.jp
Contact: +81 3-6748-2111
Address: 1-7-1 Konan, Minato-ku, Tokyo 108-0075 - C-COR Japan – C-COR Japan offers wireless network infrastructure and telephony hardware servicing Tokyo’s telecommunications providers since 2007. They provide reliable telecom hardware installation and maintenance.
Website: www.ccor-jp.com
Contact: +81 3-5468-1234
Address: 3-18-3 Mita, Minato-ku, Tokyo 108-0073 - Infocom Corporation – Infocom offers integrated services combining telephony and wireless networking for Tokyo’s residential and commercial markets. Their 24/7 support and secure wireless services are highly rated.
Website: www.infocom.co.jp
Contact: +81 3-5700-1100
Address: 2-9-1 Toranomon, Minato-ku, Tokyo 105-0001 - UQ Communications Inc. – UQ Communications is a prominent MVNO and wireless telecom provider in Tokyo, delivering affordable mobile plans, with strong presence especially in the Tama and Setagaya areas.
Website: www.uqwimax.jp
Contact: 0120-929-818
Address: 2-11-2 Nagatacho, Chiyoda-ku, Tokyo 100-6190 - SoftBank Corp. – A flagship mobile and fixed-line telephony provider in Tokyo, SoftBank Corp features wireless telecom services with highly rated customer plans and comprehensive network coverage across the metropolis.
Website: www.softbank.jp
Contact: +81 3-6889-2000
Address: 1-9-1 Higashi-Shimbashi, Minato-ku, Tokyo 105-7303 - Telecom Square Inc. – Telecom Square specializes in wireless telecom rentals and international telephony services, popular among Tokyo’s business travelers and event coordinators for mobile WiFi and telephony solutions.
Website: www.telecomsquare.co.jp
Contact: +81 3-5733-6888
Address: 2-3-8 Shinbashi, Minato-ku, Tokyo 105-0004 - IIJ Mobile Ltd. – A subsidiary of IIJ, IIJ Mobile provides mobile virtual network operator (MVNO) wireless telephony and data services focused on urban Tokyo customers seeking flexible, high-quality mobile plans.
Website: www.iijmio.jp
Contact: +81 3-5205-6500
Address: 5-1-1 Otemachi, Chiyoda-ku, Tokyo 100-0004 - Optage Inc. – Operating telephony and wireless services in Tokyo, Optage offers business telecommunication systems with integration of cloud telephony and wireless solutions, serving commercial clients across Minato and Chiyoda.
Website: www.optage.co.jp
Contact: +81 6-6377-3355
Address: 1-1-9 Uchisaiwaicho, Chiyoda-ku, Tokyo 100-0011 - Commufa Communications Inc. – Commufa delivers wireless telecom and broadband telephony services in Tokyo neighborhoods such as Shinjuku and Ikebukuro, with strong customer support and reliable wireless connectivity.
Website: www.commufa.jp
Contact: 0120-114-999
Address: 3-28-10 Shinjuku, Shinjuku-ku, Tokyo 160-0022 - J:COM Tokyo – J:COM offers wireless telephony along with cable and broadband services focused on residential customers across Tokyo’s urban and suburban areas, featuring competitive pricing plans and bundled telecom services.
Website: www.jcom.co.jp
Contact: 0120-9999-26
Address: 2-27-4 Otemachi, Chiyoda-ku, Tokyo 100-0004
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