How to Purchase a Thailand SIM Card

When traveling to Thailand, one of the first things you’ll want to do is ensure that you have a reliable means of staying connected. One option is to purchase a Thailand SIM card, which will allow you to make local and international calls, as well as use mobile data to browse the internet and access social media. In this article, we’ll take a closer look at how to purchase a Thailand SIM card, the different types of SIM cards available, the best network providers, the activation and registration process, top-up options, and tips for using a Thailand SIM card while traveling.

How to Purchase a Thailand SIM Card

Types of SIM Cards in Thailand

There are several types of SIM cards available in Thailand. The most common are:

  1. Prepaid SIM Cards: These are pay-as-you-go SIM cards that require you to add credit to your account before you can use them. They are ideal for short-term stays or if you only need to use your phone for emergencies.
  1. Postpaid SIM Cards: These are contract-based SIM cards that require you to sign up for a monthly plan. They offer more features and benefits than prepaid SIM cards, but they also come with a higher cost.
  1. Tourist SIM Cards: These are special SIM cards designed for tourists. They usually offer a limited amount of data and call time, along with discounts on tourist attractions and transportation services.
  1. Data-Only SIM Cards: These SIM cards are designed for people who only need mobile data and don’t use their phone for calls or texts.

eSIM in Thailand

In Thailand, eSIMs are becoming increasingly popular as more people adopt mobile devices that support the technology. One of the main advantages of eSIMs in Thailand is the convenience they offer. With an eSIM, there is no need to physically swap out SIM cards when switching between carriers, making it easier for users to take advantage of different promotions or plans offered by various providers.

Another benefit of eSIMs in Thailand is that they eliminate the need for physical SIM cards, which can be lost or damaged. This is especially useful for travelers who may not want to carry multiple SIM cards for different countries or regions. With an eSIM, a user can simply sign up for a plan with a local carrier upon arrival and activate it through their device.

Currently, several major mobile carriers in Thailand offer eSIM support, including AIS, dtac, and TrueMove H. However, not all devices support eSIMs, so it’s important to check compatibility before signing up for a plan. Additionally, some carriers may charge extra fees for eSIM activation or require customers to purchase a specific plan to use the technology.

How to buy Tourist Thailand eSIM

If you’re planning to travel to Thailand and want to stay connected while exploring the country, buying a Tourist Thailand eSIM could be a great option for you. An eSIM, or embedded SIM, is a small chip that is built into your smartphone or other mobile device. It allows you to connect to a cellular network without having to physically insert a physical SIM card.

Here are the steps to buy a Tourist Thailand eSIM:

  1. Check if your device supports eSIM: Before you can purchase a Tourist Thailand eSIM, you need to make sure that your device supports eSIM technology. Most newer smartphones and tablets support eSIMs, but it’s always best to double-check with your device manufacturer.
  1. Choose a provider: There are several providers of Tourist Thailand eSIMs like thailandesim.com or gigago.com…  Do some research to determine which provider offers the best coverage and pricing for your needs.
  1. Purchase the eSIM: Once you’ve decided on a provider, you can purchase the Tourist Thailand eSIM online. Most providers offer a variety of data plans to choose from, depending on how long you’ll be staying in the country and how much data you’ll need.
  1. Download the eSIM profile: After purchasing the eSIM, you’ll receive an email with instructions on how to download the eSIM profile onto your device. This will typically involve scanning a QR code or entering a series of numbers manually.
  1. Activate the eSIM: Once the eSIM profile has been downloaded, you’ll need to activate it by following the instructions provided by your provider. This may involve entering a PIN code or setting up a new APN (access point name) on your device.
  1. Start using the eSIM: With the eSIM activated, you should now be able to connect to a cellular network in Thailand and start using your device as you normally would. Make sure to monitor your data usage and top up your account as needed to avoid running out of data.

Overall, buying a Tourist Thailand eSIM can be a convenient and cost-effective way to stay connected while traveling in the country. Just make sure to do your research and choose a provider that offers good coverage and pricing for your needs.

Best Network Providers for Thailand SIM Cards

The three main network providers in Thailand are AIS, TrueMove H, and dtac. Each provider has its own strengths and weaknesses, so it’s important to choose the one that best fits your needs.

How to Purchase a Thailand SIM Card

Here’s a breakdown of each provider:

  1. AIS: This is the largest network provider in Thailand, with the best coverage and fastest internet speeds. They offer a wide range of plans for both prepaid and postpaid SIM cards.
  1. TrueMove H: This provider offers good coverage and internet speeds, along with affordable postpaid plans. However, their prepaid plans are more expensive than other providers.
  1. dtac: This provider offers good coverage and affordable prepaid plans, but their internet speeds can be slower than other providers.

Activation and Registration Processes for a Thailand SIM Card

To activate and register your Thailand SIM card, you’ll need to follow these steps:

  1. Purchase a SIM card from one of the network providers or authorized dealers.
  1. Provide your passport or ID card and fill out a registration form.
  1. Wait for your SIM card to be activated, which usually takes a few minutes.
  1. Insert the SIM card into your phone and start using it.

Top-up Options for Thailand SIM Cards

To add credit to your Thailand SIM card, you can use any of the following top-up options:

  1. Online top-up: You can use your credit card or online payment service to top up your account through the network provider’s website or mobile app.
  1. Convenience stores: You can purchase top-up cards from convenience stores such as 7-Eleven or Family Mart.
  1. ATMs: Some ATMs allow you to top up your account by selecting the “mobile top-up” option.

Using a Thailand SIM Card for International Roaming

If you plan on using your Thailand SIM card for international roaming, there are a few things you should keep in mind:

  1. Check your plan: Make sure your plan includes international roaming and that you understand the rates and fees associated with it.
  1. Unlock your phone: If your phone is locked to a specific network provider, you may need to unlock it before you can use a different SIM card for international roaming.
  1. Buy a local SIM card: If you’re traveling to multiple countries, it may be more cost-effective to purchase a local SIM card in each country rather than using your Thailand SIM card for international roaming.

Tips for Using a Thailand SIM Card While Traveling

Here are some tips to help you get the most out of your Thailand SIM card while traveling:

  1. Choose the right plan: Make sure you choose a plan that meets your needs and budget.
  1. Keep track of your data usage: Use a data monitoring app to keep track of your data usage and avoid going over your limit.
  1. Turn off data roaming: To avoid unexpected charges, make sure you turn off data roaming when you’re not using it.
  1. Use Wi-Fi: Take advantage of free Wi-Fi hotspots to reduce your mobile data usage.
  1. Keep your phone charged: Make sure you have a portable charger or access to a power source to keep your phone charged throughout the day.


Purchasing a Thailand SIM card is a great way to stay connected while traveling. By understanding the different types of SIM cards available, the best network providers, the activation and registration process, top-up options, and tips for using your Thailand SIM card while traveling, you can make the most of your mobile experience in Thailand. Whether you’re traveling for business or pleasure, having a reliable means of communication and internet access is essential. By following the steps outlined in this article, you can purchase and use a Thailand SIM card with confidence and ease.