DTAC SIM Cards and eSIM: Detailed Guides for Tourists 2026

Staying connected in Thailand is easy with a DTAC SIM card or eSIM! This guide is specifically designed for tourists like you, visiting the beautiful Land of Smiles. We’ll break down everything you need to know about DTAC’s prepaid options, including data plans, voice calls, and how to choose between a traditional SIM card and a convenient eSIM. With clear explanations and pricing details, you’ll be surfing the web, sharing photos, and making calls with confidence throughout your Thai adventure. Let’s dive in and find the perfect DTAC connection for you!

I. What is DTAC?

DTAC, or Total Access Communication Public Company Limited, is one of Thailand’s leading mobile network operators. It was founded in 1989 and is a subsidiary of the Telenor Group, a telecommunications company based in Norway.

Some details statistics about dtac:

• As of late 2025, the total mobile connections in Thailand stood at approximately 96.6 million. The duopoly of AIS and True now accounts for roughly 95.2 million of these connections (over 98.5% of the total market).
• True Corporation maintains its position as the largest operator by subscriber count. After the initial post-merger peak of 52.77%, True’s market share has stabilized at approximately 51.2% as of the end of 2025.
• A significant driver of growth has been the 5G segment, which reached 15.5 million users by the start of 2026.

II. DTAC Mobile Operator Services for Tourists

DTAC provides a wide range of mobile communication services to its customers. These services include:

• Extensive 5G/4G Coverage: As part of the largest mobile network in Thailand, dtac offers over 99% population coverage. Tourists can expect a seamless, stable connection even in remote islands or mountainous regions.
• Tailored Tourist eSIMs: dtac specializes in “Unlimited Data” plans (Happy Tourist SIM) that include free local calls and unlimited data for popular social apps (Messenger, WhatsApp, TikTok), ensuring you stay connected without extra costs.
• Convenient Online Store: If you need a hardware upgrade, the dtac online store offers the latest iPhones, Samsung, and OPPO devices with tourist-friendly pickup options or local delivery.
• Traveler Ecosystem: Beyond data, you get access to dtac WiFi (available in most malls), easy roaming packages for side trips to neighboring countries, and dtac Reward discounts on coffee, cinema, and airport transfers.

Check out more services on dtac official website!

III. DTAC Coverage in Thailand

DTAC has comprehensive network coverage nationwide. The company operates on 4G/LTE networks and is currently working on rolling out its 5G network in Thailand.

DTAC’s network coverage covers over 90% of Thailand’s population, covering all 77 provinces. The company has invested heavily in expanding its network infrastructure to provide customers with high-quality, reliable mobile services.

DTAC’s network coverage is complemented by its extensive network of retail stores and service centers across Thailand. The company has more than 7,000 retail stores and service centers, making it easy for customers to access its services and support anywhere in the country.

With this coverage, dtac provides a stable internet speed across Thailand. When choosing dtac as mobile operator, you can be assured the connection during the trip.

IV. Best DTAC SIM Cards and eSIM for Tourists

DTAC offers special SIM plans for tourists with the same benefits and different data and prices. You can check out detailed prices and descriptions here: https://www.true.th/en/prepaid/sim/tourist

True-dtac Tourist SIM Packages (2025/2026)

Plan Name	Duration	Data Allowance	Price	Key Benefits
Infinite SIM 8 Days	8 Days	Unlimited 5G Max Speed	499 THB	Unlimited local calls, 100 THB intl. credit, free WiFi.
Infinite SIM 15 Days	15 Days	Unlimited 5G Max Speed	699 THB	Unlimited local calls, 100 THB intl. credit, free WiFi.
Infinite SIM 30 Days	30 Days	Unlimited 5G Max Speed	1,199 THB	Unlimited local calls, 100 THB intl. credit, free WiFi.
Tourist SIM 10 Days	10 Days	Unlimited 5G Max Speed	349 THB

Core Benefits for Tourists:

• True 5G Network: Access to Thailand’s most comprehensive 5G network (merged with dtac).
• Unlimited Connectivity: Unlimited 5G/4G data at maximum speed and unlimited True/dtac Super WiFi hotspots.
• Voice Privileges: Unlimited local calls to all Thai networks (for Infinite plans).
• International Calls: Rates starting at 1 THB/minute via the special prefix (00600 for True / 00400 for dtac).
• Exclusive Discounts: Special offers at airports and malls (e.g., Grab, King Power, Burger King, and 50% off menus at Minor Food outlets).
• Insurance: Includes free travel insurance coverage for up to 30 days (via Falcon Insurance).

dtac eSIM from Thailandesim.com

Besides dtac eSIM directly from a mobile operator, you can choose local Thailand eSIM providers like thailandesim.com. When buying from us, you can have:

• Various data and validity
• Reasonable prices
• Accessible customer support
• Unlimited data and calls plans are available

Refer some dtac Thailand eSIM plans here:

VI. How Much Does DTAC SIM Cards and eSIM for Tourists Cost?

DTAC offers a variety of SIM cards and eSIM with different pricing and plans to cater to different tourists’ needs. Based on the information in the previous part, here is an overview of the cost of DTAC SIM cards:

• Prepaid SIM cards: DTAC offers prepaid SIM cards with different pricing options, from as low as 49 baht (approximately $1.50) to as high as 1199 baht (approximately $36). These SIM cards come with different data and voice plans, ranging from basic to unlimited. ID documents are needed for this option.
• Postpaid SIM cards: Postpaid SIM cards are better options for those who stay in Thailand for long trips (more than 2 months). The prices of postpaid SIM cards are from 299 baht (approximately $9.50) to 2,499 baht (approximately $80) monthly. Depending on the customer’s needs, these plans come with different data and voice allowances.
• Tourist SIM cards: DTAC also offers tourist SIM cards for visitors to Thailand, with prices ranging from 49 baht (about $1.50) to 1199 baht (about $36). These SIM cards come with different data, voice plans, and value-added services, such as airport pickup and delivery.
• DTAC eSIM: eSIM has more varied prices because the eSIM data plans are often customized with various data and prices by the eSIM providers. The DTAC eSIM prices will be between 299 baht (approximately $9.50) to 1199 baht (approximately $36).

VII. Where to Buy Thailand DTAC SIM Card and eSIM?

As a traveler to Thailand, you will have many ways to purchase a DTAC eSIM or SIM card to stay connected during the trip. 

1. Where to Buy DTAC Tourist SIM Card?

For tourists, DTAC SIM cards can be purchased at various locations in Thailand, including:

• DTAC retail stores: DTAC has over 7,000 retail stores and service centers across Thailand, where customers can purchase DTAC SIM cards and other mobile services. Search the nearest dtac store at https://store.dtac.co.th/en/services/store-locations
• Airports: DTAC SIM cards are also available for purchase at most airports in Thailand, including:
  • Suvarnabhumi International Airport (BKK): International Arrival Terminal (Exit gate 7, 9) and International Arrival hall (Baggage Claim No.19, No.10, No.7)
  • Chiang Mai International Airport (CEI): International Arrival Terminal, Opposite Exit No.11
  • Don Mueang International Airport (DMK): International Arrival hall (between Exit No.3 & No.5 and Opposite Exit 6)
  • Phuket International Airport (HKT): Official dtac counter International Arrival Terminal Branch Exit No. 1-2 and Official dtac counter at Baggage Claim No. 2
  • Samui Airport (USM): Arrival hall
• Convenience stores: DTAC SIM cards can be found at most convenience stores in Thailand, such as 7-Eleven, Family Mart, BigC and Tesco Lotus Express.
• Online: Customers can purchase DTAC SIM cards through the company’s website or third-party e-commerce platforms, such as Lazada and Shopee.

2. Where to Buy DTAC eSIM for Tourists?

DTAC eSIMs can be purchased through several channels, including:

• DTAC website: You can purchase a DTAC eSIM through the DTAC website by following the instructions on their eSIM page. Check out on https://www.true.th/en/prepaid/sim/tourist
• DTAC stores: DTAC eSIMs are available at DTAC stores. You can find the nearest store by visiting the DTAC website or using their mobile app.
• Online marketplaces: Some online marketplaces in Thailand also sell DTAC eSIMs, such as Lazada or Shopee.
• Airport counters: If you are arriving in Thailand by air, you can register a DTAC eSIM at the DTAC counter at the airport. The dtac kiosks are guided in the previous part.
• eSIM providers: Many eSIM providers offer Thailand DTAC eSIM with many customized options and reasonable prices. You can refer to thailandesim.com, one of the best Thailand eSIM providers, which offers various eSIM plans under DTAC network coverage.

VIII. Calls and SMS Rate of DTAC in Thailand

DTAC’s calls and SMS rates are often based on your SIM plans. The rates often are among the following:

Calls	SMS	MMS	Data	Wifi
1 Baht/Min	3 Baht/SMS	5 Baht/MMS	2 Baht/MB	1 Baht/Min

IX. DTAC Roaming Rates

You can check the detailed roaming charges at: https://www.true.th/international/roaming

X. How to Top up Your DTAC SIM

There are several ways to top up your DTAC SIM card in Thailand. Here are some of the most common methods:

• DTAC top-up cards: DTAC top-up cards are available at most retail stores and service centers in Thailand. Customers can scratch off the silver panel on the card to reveal a unique code, which they can enter into their phone to add credit to their DTAC account. To top up your DTAC SIM card, dial *101*VoucherCode#. For example, if your voucher code is 123456789, you would dial *101*123456789#.
• Online top-up: Customers can also top up their DTAC SIM card online through the company’s website or mobile app. This option requires a credit or debit card and allows customers to top up their accounts from anywhere. Check out here: https://www.dtac.co.th/en/serv/quickrefill/index.html
• Mobile banking: Customers can also use mobile banking services offered by their bank to top up their DTAC account. This option requires a registered bank account and may incur additional fees.
• ATMs: Some ATMs in Thailand allow customers to top up their DTAC accounts. Customers can select the DTAC top-up option and enter their phone number to add credit to their account.
• Convenience stores: Many convenience stores in Thailand, such as 7-Eleven and Family Mart, offer top-up services for DTAC SIM cards. Customers can provide their phone number and the amount they wish to top up to the store clerk, who will then add credit to their account.

It’s important to note that some top-up methods may require additional fees or have minimum and maximum top-up amounts. Customers should check with their service provider or the top-up vendor for more information on fees and restrictions.

XI. How to Check DTAC Balance – All DTAC USSD Codes that You Need to Know

Here are the instructions on how to check DTAC balance usage and other USSD codes when using DTAC services:

XII. DTAC vs Other Thailand Mobile Operators

Based on the June 2025 Opensignal Report for Thailand, the performance of dtac (now part of True Corporation) has evolved significantly. While it remains a leader in multimedia experience, it has now closed the gap with AIS in terms of raw speed.

Network Performance: dtac vs. AIS (June 2025 Update)

According to the latest 90-day analysis by Opensignal, dtac has maintained its dominance in media streaming while becoming a top-tier contender for download speeds.

• Video Experience (The Leader): dtac remains the sole winner for Video Experience in Thailand. This means users on the dtac network enjoy the highest quality mobile video streaming with the fewest interruptions and fastest loading times.
• Download Speed Experience (Joint Winner): In a major shift from 2023, dtac is now a joint winner for Download Speed Experience. It has successfully caught up to AIS, offering top-tier speeds for downloading large files and apps.
• Reliability Experience (The Leader): dtac has secured the award for Reliability Experience, proving to be the most dependable network for completing tasks like sending emails, making calls, or browsing without connection drops.
• Availability (Joint Winner): dtac shares the top spot for Availability, ensuring that users can find a signal just as easily as they can on the AIS network.
• 5G Performance: While AIS still holds the edge in 5G-specific awards like 5G Games and 5G Live Video, dtac remains a strong competitor, especially for general 5G availability across major urban centers.

XIII. DTAC SIM Card Alternatives for Tourists

In addition to DTAC SIM cards, other SIM card alternatives are available for tourists visiting Thailand. Here are some popular options:

• AIS SIM Card: AIS (Advanced Info Service) is another popular mobile operator in Thailand, offering tourists a range of SIM card options. Their SIM cards can be purchased at airports, convenience stores, and online, and they offer a variety of data plans to suit different needs and budgets. Find out more information on AIS SIM card guides for tourists.
• TrueMove H SIM Card: Although TrueMove has merged with dtac to become True Corporation, TrueMoveH still offers specific SIM card plans for tourists, with options for prepaid and postpaid plans. Their SIM cards can be purchased at airports, convenience stores, and online, and they offer a range of data plans to suit different needs. Read more about TrueMove H mobile operator.
• 7-Eleven SIM Card: Convenience store chain 7-Eleven offers its own SIM card for tourists visiting Thailand. The SIM card can be purchased at any 7-Eleven store and offers various data plans, with the option to top up credit in-store or online.

While DTAC SIM cards are a popular option for tourists visiting Thailand, dtac Thailand eSIM is one of the best alternatives. Here are some reasons why eSIMs can be a great alternative for tourists in Thailand:

• Convenience: With an eSIM, no need to insert physical SIM cards, you can install and activate the Thailand eSIM right before departure and start using it right after landing.
• Flexibility: Unlike traditional SIM cards tied to a specific carrier or plan, eSIM will provide you with many data and validity options that will be suitable for any trip in Thailand.
• Easier support: For eSIM, you will not need to bring your device or your SIM card to the store for support. You can request online support with only the order ID or email.
• Multi-countries plans available: Many travelers choose to travel across Thailand and other regional countries in one trip. So multi-countries eSIM plans will be the best options.

Refer to some multi-countries eSIM plans on thailandesim.com:

XIV. Final Words

In conclusion, this article is a comprehensive guide to DTAC SIM cards and eSIMs for tourists in Thailand. It covers everything you need to know, from the different types of SIM cards and their prices to how to purchase a SIM card, top it up, and check your balance. The article also provides information about DTAC’s coverage and roaming services, and it compares DTAC to other mobile operators in Thailand. Get a dtac SIM card and be ready for your trip!

XV. FAQs