NT: National Telecom, its mobile service and 5G
NT (National Telecom) is the state-owned operator. It was formed by merging TOT and CAT, and its own pages cover its mobile service and its 5G network.
- State-owned operator
- Formed from TOT and CAT
- my by NT mobile service
- 5G on the 26 GHz band
The short answer
NT, National Telecom Public Company Limited, is Thailand's state-owned operator. It was formed by merging TOT and CAT, the two state telecoms, and was registered on 7 January 2021. Its own pages cover its mobile service, my by NT, and a 5G service on the 26 GHz band. The plans on this site run on dtac or True, named before you pay.
Checked October 2, 2026
NT at a glance
The company
NT, National Telecom Public Company Limited, was registered on 7 January 2021, when TOT and CAT merged.
The mobile service
NT's mobile service is my by NT, on its 700 MHz spectrum, with prepaid and monthly options.
5G
NT sells services on its 5G network on the 26 GHz band, for healthcare, education, agriculture, industry and government.
What this means for your eSIM (NT)
The plans on this site run on dtac or True, not NT; the sections below come from NT’s own pages, so use them to follow its network. Once the eSIM connects, the network’s name appears next to the eSIM line in your phone’s settings.
The company (NT)
NT, National Telecom Public Company Limited, was formed by merging the state telecoms TOT and CAT: its timeline records the state enterprise policy committee’s decision and the cabinet’s approval, and the new company was registered on 7 January 2021.
The mobile and 5G services
NT’s own pages describe the my by NT mobile service, on its 700 MHz spectrum and sold as prepaid and monthly lines, and the 5G service it sells on the 26 GHz band, naming healthcare, education, agriculture, industry and government among its uses.
The plan for this trip
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Is NT state-owned?
Yes. NT, National Telecom Public Company Limited, was formed from TOT and CAT; its own timeline records the state enterprise policy committee's decision and the cabinet's approval before the registration on 7 January 2021.
Will a Thailand eSIM run on NT?
A travel eSIM runs on the network named on its plan; the plans on this site run on dtac or True. Once it connects, the network's name appears next to the eSIM line in your phone's settings.
Sources
Where the facts on this page come from.
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