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Connectivity: SIMs and eSIMs

Thailand has cheap, fast, widely available mobile data. The main networks are **AIS and True** (True merged with dtac in 2023; the merged carrier kept the True name), plus the state-owned **NT (National Telecom)**. You can buy a physical tourist SIM at the airport, at 7-Eleven, or network shops (passport required to register), or load a **travel eSIM** before you arrive if your phone supports it. Tourist data packages typically bundle generous data for a week or a month. AIS and True generally have the broadest coverage, including on islands like Koh Samui. Wi-Fi is common in cafes, hotels and malls.

Verify live

Verify live / handled by a human: tourist package prices, data allowances, and promotions change constantly. Compare current deals at the airport counter, a network shop, or an eSIM provider.

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General information, not legal advice. Laws and practice change; for a decision that matters, confirm with the authority named in the sources or a licensed professional.

Connectivity: SIMs and eSIMs · Thaissistant