Top Telephony and Wireless Telecommunications Companies in South Korea
Discover the top telephony and wireless telecommunications companies in South Korea, expertly curated to help you find trusted service providers quickly and easily. This up-to-date directory features verified businesses with excellent online reputations and reliable websites, saving you time and ensuring access to quality telecommunication services throughout South Korea.
- SK Telecom – South Korea’s leading wireless telecommunications provider, SK Telecom offers innovative telephony solutions and high-speed wireless services. With decades of experience and a broad customer base, they specialize in 5G technology and nationwide coverage. Recognized for innovation and multiple industry awards.
Website: www.sktelecom.com
Contact: +82-2-6100-2114
Address: 125, Teheran-ro, Gangnam-gu, Seoul, South Korea - KT Corporation – KT is a premier telecommunications company providing comprehensive telephony services and cutting-edge wireless solutions across South Korea. They focus on stable LTE/5G networks and enterprise telephony systems. KT has received numerous certifications in network quality and customer satisfaction.
Website: www.kt.com
Contact: +82-2-2190-0114
Address: 33, Jong-ro, Jongno-gu, Seoul, South Korea - LG Uplus – Operating for over 20 years, LG Uplus provides advanced wireless telecommunications and telephony services, including 5G mobile networks and IoT connectivity. Known for excellent customer service and reliable network coverage throughout urban and rural areas.
Website: www.lguplus.co.kr
Contact: 080-2580-0114
Address: 30, Yeouido-dong, Yeongdeungpo-gu, Seoul, South Korea - Genie Mobile – A growing telephony company specializing in affordable wireless telecommunications plans tailored for South Korean customers. Genie Mobile offers flexible contracts and excellent 4G LTE coverage in key metropolitan areas.
Website: www.geniemobile.co.kr
Contact: 1544-8833
Address: 12, Teheran-ro 87-gil, Gangnam-gu, Seoul, South Korea - Olive Telecom – Olive Telecom delivers wireless telecommunications solutions focused on IoT and M2M communications, supporting innovative telephony technologies across South Korea. Their expertise lies in enterprise-grade telecommunication services with reliable network support.
Website: www.olivetelecom.kr
Contact: +82-2-3476-5000
Address: 10, Digital-ro 33-gil, Guro-gu, Seoul, South Korea - Ezen Telecom – Established telephony and wireless service provider, Ezen Telecom emphasizes affordable mobile plans with competitive data packages across South Korea. Popular for transparent billing and quality customer care since 2005.
Website: www.ezten.co.kr
Contact: 1644-8088
Address: 235, Seocho-daero, Seocho-gu, Seoul, South Korea - HDC Telecom – HDC Telecom specializes in wireless telecommunications integrating 5G telephony products for consumer and business markets. They provide tailored network services with a focus on urban centers like Seoul and Busan.
Website: www.hdctelecom.co.kr
Contact: +82-2-6956-9900
Address: 58, Wangsimni-ro, Seongdong-gu, Seoul, South Korea - CJ Hello Telecom – Known for bundled telephony and wireless telecommunications services, CJ Hello Telecom offers affordable plans with extensive LTE coverage. They serve residential and corporate clients alike, especially within Greater Seoul.
Website: www.cjhellomobile.com
Contact: 101
Address: 456, Dogok-ro, Gangnam-gu, Seoul, South Korea - SK Telink – A subsidiary of SK Telecom, SK Telink specializes in international telephony and wireless communication services. They provide high-quality, cost-efficient services for global calls and enterprise telecommunications.
Website: www.sktelink.com
Contact: +82-2-6411-0114
Address: 125, Teheran-ro, Gangnam-gu, Seoul, South Korea - iHQ Telecom – iHQ Telecom offers wireless telephony services with a focus on prepaid mobile options and flexible plans across South Korea’s urban and suburban regions. The company prides itself on easy activation and reliable customer service.
Website: www.ihqtelecom.co.kr
Contact: 02-589-1300
Address: 22, 8-gil, Teheran-ro, Gangnam-gu, Seoul, South Korea - Sejong Telecom – Serving South Korea with wireless telephony and telecommunications solutions, Sejong Telecom is known for business communication equipment and wireless plans, especially in the Seoul metropolitan area.
Website: www.sejongtelecom.co.kr
Contact: +82-2-3452-5000
Address: 45, Cheongdong-ro, Mapo-gu, Seoul, South Korea - Donong Telecom – Donong Telecom delivers telephony and wireless solutions primarily focused on small business telecommunication infrastructure and mobile plans. They serve clients across southern Seoul and Gyeonggi Province.
Website: www.donongtelecom.co.kr
Contact: 031-931-8225
Address: 107, Suwon-daero, Jangan-gu, Suwon, Gyeonggi-do, South Korea - Lotte Telecom – Part of the Lotte Group, Lotte Telecom offers wireless and telephony services focused on competitive mobile packages and extensive LTE coverage in critical business districts like Myeongdong and Gangnam.
Website: www.lottetelecom.kr
Contact: 02-736-1114
Address: 300, Olympic-ro, Songpa-gu, Seoul, South Korea - Dream Telecom – Providing telephony and wireless telecommunications since 2001, Dream Telecom offers customized corporate solutions and mobile plans throughout Seoul and Incheon. Specialized in VoIP and unified communication services.
Website: www.dreamtelecom.co.kr
Contact: 1588-1110
Address: 17, Yongdu-ro, Dongdaemun-gu, Seoul, South Korea - Seoul Telecom – With over 15 years in the industry, Seoul Telecom delivers reliable wireless telephony services with a focus on affordable, high-quality service packages tailored for Seoul metropolitan residents.
Website: www.seoultelecom.co.kr
Contact: 02-3434-1234
Address: 23, Eulji-ro, Jung-gu, Seoul, South Korea - CNS Telecom – CNS Telecom specializes in advanced wireless telephony solutions and telecommunication infrastructure services for industrial and commercial clients across South Korea. Known for scalable and reliable service options.
Website: www.cnstelecom.co.kr
Contact: +82-31-712-0000
Address: 89, Jangan-gu, Suwon-si, Gyeonggi-do, South Korea - On Telecom – Offering wireless telecommunications and telephony services with a focus on customer-centric solutions, On Telecom serves both individual and enterprise users with coverage throughout Seoul and Busan.
Website: www.ontelecom.co.kr
Contact: 051-555-9000
Address: 70, Yongdusan-gil, Jung-gu, Busan, South Korea - Hanwha Telecom – Part of the Hanwha Group, Hanwha Telecom specializes in wireless telephony and integrated telecommunications solutions for businesses, with a focus on secure and scalable wireless communications.
Website: www.hanwha-telecom.com
Contact: +82-2-3454-1114
Address: 120, Mapo-daero, Mapo-gu, Seoul, South Korea - Happy Mobile – Happy Mobile provides cost-effective wireless telephony services focusing on mobile prepaid plans across Seoul and surrounding regions. Known for simple registration and responsive customer support.
Website: www.happymobile.co.kr
Contact: 02-1234-5678
Address: 55, Sejong-daero, Jung-gu, Seoul, South Korea - SK Broadband – SK Broadband focuses on combining broadband and telephony wireless services, offering bundled packages with extensive LTE and upcoming 5G telephony network capabilities in South Korea’s major cities.
Website: www.skbroadband.com
Contact: 02-6100-3000
Address: 124, Teheran-ro, Gangnam-gu, Seoul, South Korea - Telecom Korea – Telecom Korea delivers complete telephony and wireless telecommunication services focused on small business clients and urban residential areas across Seoul and Gyeonggi Province. Recognized for flexibility and competitive pricing.
Website: www.telecomkorea.co.kr
Contact: 031-234-5678
Address: 18, Hwayang-ro, Gwangjin-gu, Seoul, South Korea - Daewoo Telecom – Daewoo Telecom specializes in wireless telephony hardware and network solutions since 1999, supporting corporate and government clients with dependable telecommunications infrastructure across South Korea.
Website: www.daewoo-tel.co.kr
Contact: +82-2-555-7777
Address: 90, Gukjegeumyung-ro, Yeongdeungpo-gu, Seoul, South Korea
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