In 2021, the number of terrestrial fixed-line telephone subscribers in Vietnam totaled over *** million, reflecting a slight decrease from the previous year. The number of landline subscriptions across the country has been witnessing a downward trend over the last few years.
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Information and Communications Publishing House. (September 26, 2023). Number of terrestrial fixed-line telephone subscribers in Vietnam from 2016 to 2021 (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 22, 2026, from /statistics/1291446/vietnam-fixed-line-telephone-subscribers/
Information and Communications Publishing House. "Number of terrestrial fixed-line telephone subscribers in Vietnam from 2016 to 2021 (in millions)." Chart. September 26, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 22, 2026. /statistics/1291446/vietnam-fixed-line-telephone-subscribers/
Information and Communications Publishing House. (2023). Number of terrestrial fixed-line telephone subscribers in Vietnam from 2016 to 2021 (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 22, 2026. /statistics/1291446/vietnam-fixed-line-telephone-subscribers/
Information and Communications Publishing House. "Number of Terrestrial Fixed-line Telephone Subscribers in Vietnam from 2016 to 2021 (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 Sep 2023, /statistics/1291446/vietnam-fixed-line-telephone-subscribers/
Information and Communications Publishing House, Number of terrestrial fixed-line telephone subscribers in Vietnam from 2016 to 2021 (in millions) ÌÇÐÄÆƽâ°æ, /statistics/1291446/vietnam-fixed-line-telephone-subscribers/ (last visited July 22, 2026)
Number of terrestrial fixed-line telephone subscribers in Vietnam from 2016 to 2021 (in millions) [Graph], Information and Communications Publishing House, September 26, 2023. [Online]. Available: /statistics/1291446/vietnam-fixed-line-telephone-subscribers/
