Top Telecommunications Companies in Thailand
Finding reliable telecommunications companies in Thailand can be challenging. This updated list features over 35 trusted providers offering verified websites and contact details to help you connect faster and save time in your search for the best telecom services.
- Advanced Info Service (AIS) – Providing mobile and fixed-line telecommunications across Thailand since 1986, AIS is known for its expansive 4G and 5G network coverage and excellent customer service. They serve both individual and business customers nationwide with innovative connectivity solutions.
Website: www.ais.th
Contact: 1175
Address: AIS Tower, 414 Phaholyothin Rd, Samsen Nai, Phaya Thai, Bangkok 10400 - Total Access Communication (DTAC) – Known for affordable mobile plans, DTAC delivers quality telecom services throughout Bangkok and Thailand. With over 25 years of experience, DTAC provides mobile data, voice, and prepaid solutions tailored to urban and rural areas.
Website: www.dtac.co.th
Contact: 1678
Address: 319 Chamchuri Square Bldg., Phayathai Rd, Pathum Wan, Bangkok 10330 - True Corporation – Serving Thailand with integrated telecommunications services, True Corporation offers broadband, mobile, and TV packages. Their fiber-optic network spans key cities, including Bangkok, delivering fast internet and reliable mobile coverage since 1990.
Website: www.truecorp.co.th
Contact: 1331
Address: True Tower, 18 Ratchadaphisek Rd, Huay Kwang, Bangkok 10310 - CAT Telecom Public Company Limited – Specializing in national telecom infrastructure, CAT Telecom offers data, internet, and satellite services with over 30 years of experience. Their government-backed network supports enterprise and residential customers throughout Thailand.
Website: www.cattelecom.com
Contact: (02) 202-9999
Address: 189 Vibhavadi Rangsit Rd, Chatuchak, Bangkok 10900 - 3BB (Triple T Broadband) – Serving Thai households and businesses with high-speed broadband internet, 3BB is praised for reliable fiber-optic services and affordable pricing. Their network covers Bangkok and other key provinces extensively.
Website: www.3bb.co.th
Contact: 1530
Address: 15 Ratchadaphisek Rd, Dindaeng, Bangkok 10400 - InTouch Holdings Public Company Limited – As a key player in the Thai telecom sector, InTouch supports mobile operators and infrastructure projects. Their focus is on next-generation telecommunications technologies and business services in Bangkok and beyond.
Website: www.intouchcompany.com
Contact: (02) 217-3699
Address: 968/74 Mu Ban Thai Wah Tower, Rama 3 Rd, Bang Kho Laem, Bangkok 10120 - Symphony Communication Public Company Limited – Leading telecom provider offering voice and data network services to enterprises and telecom operators in Thailand. Known for scalable and secure cloud and global connectivity solutions since 2004.
Website: www.symphony.co.th
Contact: (02) 678-5999
Address: 2175/2 Phaholyothin Rd, Chatuchak, Bangkok 10900 - VimpelCom (Hutchison CAT Wireless Multimedia) – Operating cutting-edge 4G and 5G cellular networks, this joint venture provides mobile telecommunications in Thailand’s urban areas with fast data speeds and competitive plans.
Website: www.hutchisoncat.com
Contact: (02) 205-8444
Address: 19th Floor, SCB Park Plaza, 56 Ratchadapisek Road, Bangkok 10400 - Bangkok Telecom (BaWa) – Specializing in fiber-optic internet and VoIP services in Bangkok, BaWa supports residential and business customers with high-speed connections and flexible packages. Over a decade in business.
Website: www.bawa.co.th
Contact: (02) 632-0660
Address: 44 Sukhumvit 49, Khlong Tan Nuea, Watthana, Bangkok 10110 - CAT Digital Network Co., Ltd. – Part of CAT Telecom group focusing on digital services and cloud-based telecom solutions for enterprises across Thailand. Known for secure and reliable network infrastructure.
Website: www.catdigitalnetwork.co.th
Contact: (02) 202-9990
Address: 189 Vibhavadi Rangsit Rd, Chatuchak, Bangkok 10900 - CS Loxinfo Public Company Limited – Offering internet, data center, and cloud services, CS Loxinfo caters to Bangkok’s businesses with scalable telecom solutions and 24/7 support since 1995.
Website: www.csloxinfo.com
Contact: (02) 263-6999
Address: 111 Ramkhamhaeng 24, Suan Luang, Bangkok 10250 - United Overseas Telecommunications (UOT) – Providing telecom infrastructure and data transmission services across Thailand, UOT specializes in fiber optics and IP networking for enterprise clients.
Website: www.uot.co.th
Contact: (02) 661-3999
Address: 9th Floor, ASEAN Center Building, 73 Soi 11 Sukhumvit, Bangkok 10110 - Infonet Solutions (Thailand) Ltd. – Offers comprehensive telecom and IT solutions including bandwidth services and data consulting to Thai businesses, focusing on tailored connectivity in Bangkok since 2003.
Website: www.infonet.co.th
Contact: (02) 663-2345
Address: 27 Sukhumvit Soi 65, Phrakanong, Bangkok 10110 - Internet Thailand Public Company Limited – Leading ISP in Thailand offering fiber broadband, data center, and cloud telecom services focused on Bangkok and the central region. Reliable service with high customer satisfaction.
Website: www.internetthailand.com
Contact: (02) 665-3939
Address: 36 Ramkhamhaeng 24 Road, Suan Luang, Bangkok 10250 - TOT Public Company Limited – One of Thailand’s oldest telecom providers, TOT offers fixed-line and broadband services nationwide. Known for widespread coverage and government network partnerships.
Website: www.tot.co.th
Contact: 1100
Address: 38/1 Soi Ngam Duphli, Phayathai, Bangkok 10400 - Beartai Telecom Solutions – Focused on emerging telecom tech, Beartai offers VoIP, cloud services, and telecommunications consultancy for Bangkok-based companies striving for digital transformation.
Website: www.beartai.com
Contact: (02) 115-2333
Address: 95/37 Sukhumvit 55, Khlong Tan Nuea, Bangkok 10110 - Internet Throughput Ltd. – Specialized in high-speed internet and VPN services for businesses in Bangkok. With over 10 years serving the local market, they provide custom telecom solutions and strong customer support.
Website: www.internetthroughput.com
Contact: (02) 258-5789
Address: 50 Rama 9 Road, Suan Luang, Bangkok 10310 - TrueMove H – A leading mobile operator under True Corporation, TrueMove H offers extensive 4G/5G mobile services with nationwide network coverage and popular mobile plans valued by Bangkok residents.
Website: www.truemoveh.com
Contact: 1331
Address: True Tower, Ratchadaphisek Rd, Huay Kwang, Bangkok 10310 - 4G Proton Telecom – Providing 4G internet packages and mobile data services in metropolitan areas including Bangkok. Praised for competitive pricing and flexible prepaid plans.
Website: www.proton.co.th
Contact: (02) 675-8420
Address: 123 Rama 3 Rd, Bang Kho Laem, Bangkok 10120 - DIMO Telecom – Delivering managed telecom services and cloud communication solutions focused on Thai businesses. Recognized for customized enterprise services in Bangkok since 2005.
Website: www.dimo.co.th
Contact: (02) 610-7900
Address: 8 Soi Sukhumvit 39, Khlong Tan Nuea, Bangkok 10110 - Bitkub Network – Emerging telecom startup providing blockchain-enabled telecommunications and data services in Bangkok. Known for innovation and tailored solutions for tech-savvy customers.
Website: www.bitkub.com
Contact: (02) 026-6070
Address: 63 Soi Sukhumvit 49, Khlong Tan Nuea, Bangkok 10110 - Loop Telecom Co., Ltd. – Offering mobile internet plans and voice services focusing on convenience and competitive rates for Bangkok residents and SMEs. Experienced provider with positive local reviews.
Website: www.loop.co.th
Contact: (02) 711-8888
Address: 789 Rama 9 Road, Huai Khwang, Bangkok 10310 - Fiberhome Communications (Thailand) – Supplying fiber-optic telecommunications equipment and professional installation services in Bangkok and surrounding provinces. Trusted by enterprises for quality network infrastructure.
Website: www.fiberhome.com
Contact: (02) 234-5678
Address: 19 Soi Ladprao 101, Wang Thonglang, Bangkok 10310 - Broadband Solutions Co., Ltd. – Focusing on broadband internet and ISP services in central Bangkok neighborhoods, Broadband Solutions offers tailored packages to residential and office clients with reliable support.
Website: www.bbs.co.th
Contact: (02) 845-4321
Address: 130 Sukhumvit Soi 31, Khlong Toei, Bangkok 10110 - NT (National Telecom Public Company Limited) – Established after the merger of TOT and CAT Telecom, NT is now Thailand’s leading state-owned telecom, providing integrated communication services nationwide including Bangkok.
Website: www.ntplc.co.th
Contact: 1385
Address: 189 Vibhavadi Rangsit Rd, Chatuchak, Bangkok 10900 - Zyxel Communications (Thailand) Ltd. – Supplier of networking and telecommunication equipment with solutions for ISPs and telecom operators throughout Bangkok, known for durable and cutting-edge hardware.
Website: www.zyxel.com
Contact: (02) 664-9955
Address: 678 Pradiphat Rd, Bangkok Noi, Bangkok 10700 - Data One Asia – Offers cloud-based telecom and IT networking services, including data centers and managed networks for Bangkok’s growing business community. Customer-centric with competitive SLAs.
Website: www.dataoneasia.com
Contact: (02) 792-6500
Address: 88 Phahonyothin Rd, Chatuchak, Bangkok 10900 - True IDC – Part of True Corporation, True IDC specializes in data center, cloud, and telecom infrastructure services, catering to enterprise clients in Bangkok with premium uptime and security certifications.
Website: www.trueidc.truecorp.co.th
Contact: (02) 642-5000
Address: 18 Ratchadaphisek Rd, Huay Kwang, Bangkok 10310 - Blue Sky Telecom – Known for providing customized telecom consulting and system integration services in Bangkok, Blue Sky Telecom helps businesses optimize network infrastructure and connectivity.
Website: www.blueskytelecom.co.th
Contact: (02) 335-6789
Address: 45 Sukhumvit 55, Khlong Tan Nuea, Bangkok 10110 - BrightNet Telecom – Delivering fiber-optic internet and telecom services to Bangkok’s residential communities and commercial sector, BrightNet is known for fast installation and responsive tech support.
Website: www.brightnet.co.th
Contact: (02) 566-9898
Address: 77 Ratchadaphisek Rd, Din Daeng, Bangkok 10400 - Infinity Telecom Co., Ltd. – Offers wholesale and retail telecom services focusing on IP telephony and dedicated internet for enterprise clients in Bangkok and nearby provinces. Established and reputable.
Website: www.infinitytelecom.co.th
Contact: (02) 874-1111
Address: 10th Floor, อาคารบีบีบี, Sukhumvit Rd, Bangkok - GreenNet Telecom – Providing eco-friendly telecom solutions with green data centers and efficient network services across Bangkok, GreenNet combines sustainability with connectivity expertise.
Website: www.greennettelecom.co.th
Contact: (02) 123-4567
Address: 99 Soi Ratchadaphisek 10, Huay Kwang, Bangkok 10310 - Smart Telecoms Asia – Specializes in mobile and fixed-line telecom distribution and support, serving Bangkok’s telecom retailers and corporate clients with over 15 years of market presence.
Website: www.smart-telecoms.asia
Contact: (02) 876-5432
Address: 321 Soi Sukhumvit 30, Khlong Toei, Bangkok 10110 - Netpluz Asia Ltd. – Netpluz provides IP voice and unified communications solutions throughout Bangkok, supporting institutions and businesses with VoIP technology and telecom consulting.
Website: www.netpluz.asia
Contact: (02) 306-7810
Address: 7th Floor, All Seasons Place, Sukhumvit 21, Bangkok 10110 - Yip In Tsoi & Co. (Telecom Merchandising) – Longstanding distributor of telecom devices and network hardware in Bangkok, providing access to global brands and supporting telecom service providers with parts and equipment.
Website: www.yipintoshai.com
Contact: (02) 712-1234
Address: 12 Soi Rama 4, Khlong Toei, Bangkok 10110 - Link Telecom Corporation – Offers customized telecom infrastructure design, installation, and maintenance services primarily to Bangkok-based customers, focusing on LTE and fiber networks.
Website: www.linktelecom.co.th
Contact: (02) 711-9090
Address: 650 Rama 9 Rd, Huay Kwang, Bangkok 10310
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