eSIM for Thailand
Thailand at a glance
- Generations
- 3G, 4G/LTE, 5G
- Main carriers
- AIS, TrueMove H, NT (dtac merged)
- Local eSIM
- Local carriers issue eSIMs
- Calling code
- +66
Thailand's mobile network infrastructure supports 3G, 4G/LTE, and 5G technologies across major carriers including AIS, TrueMove H, and NT (following dtac's merger). Network coverage operates on several key frequency bands spanning 700 MHz to 3.5 GHz, ensuring reasonable accessibility in urban and many rural areas. A travel eSIM will connect to these networks and radio generations on any modern eSIM-capable phone.
For visitors, roaming charges from a home carrier are typically expensive in Thailand. The travel-eSIM market is highly competitive, making a travel eSIM usually the cheapest and easiest connectivity option for tourists and short-term travelers. Local carriers also issue eSIMs, which may suit those staying longer or preferring a local number, though this requires in-country setup.
| Connectivity | As publicly reported |
|---|---|
| Network generations | 3G, 4G/LTE, 5G |
| Main mobile networks (MNOs) | AIS, TrueMove H, NT (dtac merged) |
| Key travel bands | B1(2100), B3(1800), B8(900), B28(700), n41(2600), n78(3.5GHz) |
| Local eSIM support | Local carriers issue eSIMs |
| Region | Asia |
| Capital | Bangkok |
| Calling code | +66 |
Travel eSIM or local SIM in Thailand?
Roaming from a home carrier is typically expensive here, but the travel-eSIM market is highly competitive — a travel eSIM is usually the cheapest, easiest option for visitors. See the eSIM-vs-roaming view for this country →
Travel eSIM plans for Thailand
Live plans and prices here are supplied by the eSIM provider feed (Airalo / Holafly / Saily) at publish time — not stored or estimated on this page. A travel eSIM works on almost any modern eSIM-capable phone regardless of whether local carriers issue eSIMs. Open the plan finder →
Frequently asked questions
Will a travel eSIM work in Thailand?
How much does an eSIM for this country cost?
Full coverage & carriers → · eSIM vs roaming → · Look up another country →
Compiled from public-record telecom facts (the MNO roster, commercially-launched 3G/4G/5G generations, deployed travel-relevant bands and local-eSIM support) and verified June 2026; see the source we compile this country from. How we compile this. Plan prices are supplied by the eSIM provider feed at publish time, not stored here.