Best Carriers in Thailand: Comparison for Travellers
eSIM from 1,00 USD · 100 MB. Networks: AIS (5G), True Move (4G), TrueMove H (5G).
Carriers in Thailand: comparison
AIS
Best for: Best overall coverage nationwide
- Dominant network; best in islands and northern mountains
- Good choice for Chiang Mai and remote treks
TrueMove H
Best for: Urban 5G speeds
- Strong 5G in Bangkok; competitive pricing
- Good in Phuket and Pattaya beach resorts
DTAC
Best for: Value and roaming
- Being merged with TrueMove; network good in cities
- Useful for short urban stays
With an eSIM you don't choose a carrier directly — the eSIM provider has agreements with one or more local networks. What matters is which network(s) your plan uses and whether it covers the areas you'll visit.
Where any carrier can drop signal
- Jungle trekking routes in Doi Inthanon and Khao Yai parks
- Boat trips between the Koh Samui island chain
- Limestone karst areas in Phang Nga Bay
- Underground temples and cave shrines