Thailand SIM Card in 2026: A Complete Guide for Tourists

1. Do I Need a SIM Card in Thailand?

Absolutely, it’s a must! A Thailand SIM card lets you call, text, and use 4G internet to navigate with Google Maps, book a taxi, or find the best local restaurants.

Prepaid Thailand SIM cards are ideal as they give you complete control over your expenses, with no risk of unexpected charges. You can top up easily at shops like 7-Eleven or online.

The 4G and 5G networks in Thailand are both swift and reliable, with speeds of 30-60 Mbps for 4G and 50-100+ Mbps for 5G in cities. This ensures seamless internet browsing, email correspondence, and app usage throughout your stay.

Using your home SIM abroad can cost a fortune. So, a local SIM saves you from those headaches and lets you enjoy your trip worry-free!

2. Which is the Best Mobile Operator?

Thailand’s three major mobile operators are AIS, TrueMove H, and DTAC. All offer strong nationwide coverage, including many rural areas, with SIM card prices usually ranging from 299 to 899 baht.

• AIS: Best overall coverage and strong 5G network across Thailand.
• TrueMove H: Fastest mobile internet speeds and access to public Wi-Fi hotspots.
• DTAC: Known for reliable English-speaking customer support and user-friendly services, now is a part of TrueMove H

>>> Good to know: When choosing a mobile operator in Thailand, pick based on your priorities. TrueMove H is ideal for fast internet speeds, while AIS offers the best nationwide coverage and reliable calls. Compare plans and prices to find the option that suits your travel needs best.

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3. What Types of Tourist SIM Cards Are Available?

There are two types of SIM cards for tourists:

• Physical SIM Card: Available in standard, mini, micro, and nano sizes, physical prepaid SIM cards are easy to install and provide credit for calls, SMS, and mobile data during your trip. They are an affordable and reliable option for staying connected in Thailand.
• eSIM: An eSIM is a fully digital SIM that can be activated remotely without inserting a physical card. It offers the same connectivity benefits as a regular SIM and is especially convenient for travelers.
• Before purchasing, make sure your device supports eSIM technology.

An eSIM serves as an alternative to traditional SIM cards in Thailand. But is it superior? Indeed, eSIMs offer certain advantages and conveniences for travelers over physical SIM cards.

4. Which Mobile Plan Should I Choose for My Stay?

• If you only need mobile data and do not plan to make phone calls:
  • For trips up to 15 days, the TrueMove H Tourist SIM is one of the best choices for speed and convenience.
  • For stays around 30 days, unlimited plans from DTAC or TrueMove H offer excellent value.
  • If you need large amounts of stable data for laptops, streaming, or remote work, unlimited tourist plans from TrueMove H and DTAC are highly recommended.
• Most travelers prefer eSIMs for short trips because they can be activated before arrival and work immediately after landing in Thailand.
• AIS is widely considered the best overall network for nationwide coverage and reliable 5G performance.

For normal travel usage:

• 10-20GB is usually enough for 2 weeks
• WiFi is available almost everywhere in Thailand, including hotels, cafés, malls, and restaurants

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4.1 Prepaid TrueMove H SIM Card for Tourists

TrueMove H offers numerous attractive tourist SIM card packages for travelers. These SIM plans also support eSIM and can be easily converted to eSIM. You can request the staff to switch to eSIM when making your purchase at the point of sale. This allows you to enjoy all the benefits of the SIM card on your compatible eSIM phone, while simplifying the activation and configuration process.

Advantages:

• Multiple packages from 8 to 15 days
• Unlimited internet but with slowdown after a certain quota
• Enjoy free messages on social networks (whatsapp, messenger, instagram, viber, skype...).
• Variable call credit included depending on the package

To better understand the offers, consider this example of an 8-day package:

• Price: 299 THB
• Validity period: 8 days
• Data: 15 GB at maximum speed. After 16 GB, the speed is reduced to 384 Kbps. (Messages on Whatsapp and Messenger are always free.)
• Validity extension: By recharging with 10, 20, 50, 90, 150 and 300 bahts, the user will benefit from a validity extension of 30 days.
• Data after 8 days: 1.99 THB/MB

Some additional details about the package:

• The package includes unlimited internet, but the speed will be reduced to 384 Kbps after 15 GB of data usage.
• Free messages are included on social networks such as Whatsapp, Messenger, Instagram, Viber, and Skype.
• The package includes variable call credit depending on the package.
• The validity of the package can be extended by recharging with 10, 20, 50, 90, 150 and 300 bahts.
• After 8 days, the data rate will be 1.99 THB/MB.

True H SIM card website:  https://www.truemoveh-thailandsim.com/

Unlimited data packages are as follows:

• Valid for 8 days: 499 baht
• Valid for 15 days: 699 baht
• Valid for 30 days: 1199 baht

Included benefits:

• Unlimited 5G internet
• 100 THB call credit for international calls
• Unlimited calls to all networks in Thailand
• Unlimited WiFi

WiFi Instructions:

The user can use their TrueMove H mobile number as the username and receive the password via USSD by dialing the code 8714# (free of charge).

In case of forgetting the password, the user can contact TrueMove H at 1242 or dial the code 8714# (free of charge).

To connect to WiFi with TrueMove H, please follow these steps:

• Enter the TrueMove H number and password on the login page of the internet browser.
• Then connect to the WiFi (SSID) ".@TRUEWIFI".
• The system will automatically disconnect if the user is not active online for 10 minutes. Simultaneous WiFi connection is limited to one user at a time.

4.2 Prepaid DTAC SIM card for tourists

DTAC is one of the three major mobile operators in Thailand. Here are the options for obtaining a DTAC SIM card during your stay:

DTAC SIM card without plan

• Cost: 49 baht
• No communications credit included
• Calls and internet charged per usage at standard local rate

Tourist Infinite Package

• 3 durations: 8, 15 or 30 days
• Respective prices: 449 / 699 / 1199 baht
• Unlimited Internet in 5G maximum speed
• Unlimited calls to all Thai networks
• 100 baht free call credit
• 15 baht free credit
• No hidden fees
• Available in eSIM easy to purchase online

Happy Tourist Package

• Free messaging (WhatsApp, Messenger, WeChat)
• Unlimited Internet but restricted beyond a certain use
• 15 baht free credit
• eSIM easy to buy online
• International calls from 1 baht/min

To learn more about purchasing a DTAC SIM card, check outtheir website .

4.3 Prepaid AIS SIM card for tourists

Stay connected throughout your Thai adventure with AIS, a leading mobile network! Here's a breakdown of their tourist SIM card options to find the perfect fit for your trip:

1. Basic SIM Card (49 THB / $1.3):

• Ideal for short stays or occasional use.
• Includes a local phone number and 1GB of data valid for one day.
• Calls are charged per minute at standard local rates.

2. Tourist Packages (399-1699 THB / $11-$46):

• Choose from flexible packages lasting 8, 15, or 30 days to match your trip duration.
• Enjoy bundled data allowance, call minutes (may vary), and SMS.
• eSIM Option: Skip the physical card! Get an eSIM version of these packages at the same price.

Package Breakdown:

• 8-Day Package (399 THB): Cost-effective option for basic connectivity.
• 15-Day Package (599 THB): Great for regular travelers who need more data.
• 30-Day Package (899 THB): Recommended for intensive internet usage.
• 30-Day Unlimited Package (1699 THB): Unlimited for ultimate usage. 

Remember: Packages offer better value compared to the basic SIM card if you plan on making calls, texting, or using data regularly.

>>> Learn more about AIS SIM cards for tourists: https://www.ais.th/en/consumers/package/international/tourist-plan

5. Where to buy my SIM card?

Here is the map of SIM card shops at Suvarnabhumi International Airport. You can easily find them.

5.1 Sites to buy the Truemove H SIM card

Where to buy at the airport: Truemove H SIM cards are available for purchase at most airports in Thailand.

Suvarnabhumi International Airport:

• International Arrivals Hall, Baggage Claim No. 8, No. 11 and 17
• International Arrivals Terminal, 2nd Floor, Exit B: Gate 4, Gate 5
• International Arrivals Terminal, 2nd Floor, Exit C: Gate 9

Don Mueang International Airport:

• International Arrivals Hall, Exit 3
• International Arrivals Hall, Exit 4

Phuket International Airport: International and Domestic Arrivals

Chiang Mai International Airport: International Arrival, Exit 12 and Domestic Terminal Exit 2.

Hat Yai International Airport: International Arrival

Samui International Airport: Arrivals Hall, 1st Floor

Truemove H stores: You can find these stores near BTS and MRT stations:

• BTS Siam Exit 2 - True Shop Digital Gateway
• BTS Siam Exit 5 – True Shop SIAM Paragon 3rd Floor
• BTS Chit Lom Exit 1,2 - True Shop Central World 4th Floor
• BTS Ploen Chit Exit 5 – True Shop Central Embassy 4th Floor
• BTS Asok Exit 1,3 – True Shop Terminal 21 6th Floor
• BTS Phrom Phong Exit 1 – True Shop Emquartier 3rd Floor Building A
• MRT Rama 9 Exit 2 – Central Rama 9

Convenience stores: Many convenience stores throughout Thailand, such as 7-Eleven, FamilyMart, and Tesco Lotus Express, also sell Truemove H SIM cards.

Online: Customers can purchase Truemove H SIM cards via the official Truemove H website or various e-commerce platforms, including Lazada, Shopee, or Amazon.

5.2 Where to buy a DTAC SIM card?

Airport sales points:

• DTAC SIM cards are available for purchase at most airports in Thailand.

Online:

• DTAC official website: https://www.dtac.co.th/en/prepaid/products/tourist-sim.html

Suvarnabhumi International Airport:

• Official store: International Arrival Terminal, Exit Gate 7

Other Places to Buy a SIM Card

• Shopping malls
• Convenience stores such as 7-Eleven and FamilyMart
• DTAC vending machines

Useful Tips

• Compare available packages before purchasing your SIM card.
• Always bring your passport, as registration is required for tourists.
• You can top up your SIM card online, at convenience stores, or through DTAC vending machines.

Where to Buy at Airports

DTAC at Don Mueang International Airport

• International Arrival Hall between exits 3 and 5
• International Arrival Hall opposite exit 6

DTAC at Phuket International Airport

• Official counter near International Arrival exit 1-2
• Official counter at baggage claim 2
• Partner counter at baggage claim 6

Additional Information

• DTAC has more than 7,000 stores and service centers across Thailand.
• SIM cards are widely available at convenience stores and supermarkets.
• You can also purchase SIM cards online through the official website or platforms such as Lazada, Shopee, Amazon, and Klook.

5.3 Where to buy an AIS SIM card?

• At the airport: AIS SIM cards are widely available at major international airports in Thailand, including Suvarnabhumi Airport and Don Mueang International Airport.
• Convenience stores: You can buy AIS SIM cards at stores such as 7-Eleven, Lotus's, and Tops convenience stores throughout Thailand.
• Online: Travelers can purchase an AIS eSIM online before arriving in Thailand.
  • Visit AIS eSIM Store
  • Select an eSIM plan
  • Complete registration and payment
  • Activation instructions will be sent by email
• AIS stores: You can also visit official AIS service centers to purchase and activate a SIM card or eSIM. Store locations can be found via the AIS Service Center Locator

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6. What should you know before buying a SIM card?

What documents are required?

• In store: original passport + copy of the identity page
• Online: photos of your passport
• Some operators also ask for a local address (hotel for example).

How many SIM cards can I buy?

You can buy as many SIM cards as you want in Thailand, there is no limit.

How to check my SIM card balance?

• Remaining credit: *123#
• Remaining data: *900#
• Phone number: *833#
• Change language: *9304

Where to top up my credit?

• In convenience stores, 7/11 is the best place
• Official store or shop
• Online top-up via app's of each carrier:
  • True: True Iservice
  • Dtac: Dtac app
  • AIS: my AIS

Will a Thai SIM card work overseas?

Your home country provider may offer an international package that works in both countries with your current SIM, though it might be expensive. Alternatively, you can buy a Thai SIM at the airport in Thailand and a Vietnam SIM at the airport in Vietnam.

Is there any unlimited Thailand SIM cards?

Yes, many network carriers provide unlimited Thailand SIM card plans for tourists. However, be aware that some of these plans offer only a certain amount of high-speed data before the speed is reduced.

Is it cheaper to use eSIM in Thailand compared to a Thailand SIM card?

The cost varies based on the plan and carrier you select. Some eSIM plans may be more affordable than traditional SIM cards, but it’s advisable to compare the available options to find the one that best meets your needs.

Our last words

In conclusion, opting for a SIM card in Thailand for your mobile phone is an excellent idea when you visit the Land of Smiles for a few days. Fortunately, buying a SIM card is easy and inexpensive, allowing you to make calls, send SMS and use the internet without having to pay expensive roaming charges. We hope that this article has been useful to you and that you will enjoy a pleasant and well-connected discovery of Thailand.

I hope this is helpful! Let me know if you have any other questions.

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