Thailand boasts three major mobile network operators:

  1. Advanced Info Service (AIS): The largest operator in Thailand, known for its extensive network coverage.
  2. TrueMove H: Offers competitive data packages and good network reach in urban areas.
  3. DTAC (Total Access Communication): Popular for affordable call rates and good coverage in tourist destinations.

Mobile phone numbers typically don’t indicate the network operator assigned.

Obtaining a Thai Mobile Phone Number

There are two primary ways to acquire a Thai mobile phone number:

  • Purchasing a prepaid SIM card: This is the most convenient option for tourists. SIM cards are readily available at airports, convenience stores like 7-Eleven, and authorized retailers.

Here’s what you’ll typically need to buy a prepaid SIM card:

  • Registering for a postpaid SIM card: This option offers monthly billing plans and potentially better data allowances. However, it requires a Thai residency permit and can involve credit checks.

Important Note: As of 2023, stricter How Reverse Telemarketing Works regulations require identification verification when registering a SIM card in Thailand. Make sure to carry your passport when purchasing a prepaid SIM.

Choosing the Right SIM Card for Your Needs

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With various prepaid SIM card options available, consider these factors when making your choice:

  • Length of Stay: If you’re on a short trip, a basic tourist SIM card with a validity period matching your stay might suffice.
  • Data Usage: Frequent internet users should opt for packages with generous data allowances. Voice call The Ultimate Guide to Test Email Addresses: Ensuring Deliverability features might be  less relevant with the rise of internet calling apps.
  • Network Coverage: If you plan on venturing outside major cities, prioritize operators known for good coverage in rural areas.

Tip: Research online reviews and compare data packages offered by different operators before arriving in Thailand.

Topping Up Your Thai Mobile Phone Number

Running out of credit or data? Replenishing your SIM card is a breeze. Top-up options include:

  • Physical Top-Up Vouchers:


  • Purchase reload vouchers with various denominations at convenience stores and authorized retailers. Simply follow the instructions on the voucher to add credit to your phone.
  • Online Top-Up:

  • Most mobile network operators offer online top-up options through their websites or mobile apps. You can usually pay with a credit card or debit card.
  • ATM Top-Up:

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