eSIM Thailand Vietnam Cambodia

eSIM Thailand Vietnam Cambodia

Please ensure that your phone is carrier-unlocked in order to use eSIMs.

Data: 500MB/day – 3GB/day or 3GB-50GB total or Unlimited*
Validity: 1-30 days
Coverage: Thailand, Vietnam, Cambodia
Network operator: Thailand (AIS, True Move), Vietnam (Vietnamobile, Vinaphone), Cambodia (Metfone, Smart)
Delivery: Immediate, via email, after order checkout
Top-up: Not available

* Unlimited data plans including 1GB daily with high speed + FUP 5Mbps

$3.50 – $197.90

Service days (days)

1 day
3 days
5 days
7 days
10 days
15 days
20 days
30 days

Data

Unlimited
3GB
5GB
10GB
20GB
30GB
50GB
500MB/day
1GB/day
2GB/day
3GB/day

Reset

Secure payment guaranteed

Description
Reviews

eSIM Thailand Vietnam Cambodia: Seamless Indochina Connectivity

Experience premium data connectivity across Thailand, Vietnam, and Cambodia with our specialized Indochina eSIM featuring exceptional coverage throughout these three captivating nations. This data-only solution offers flexible data plans with validity periods ranging from 8 to 30 days, perfectly matching your complete Indochina journey. Powered by leading network carriers in all three countries, our tri-country eSIM ensures reliable high-speed connectivity whether you’re exploring Thailand’s golden temples, cruising Vietnam’s Halong Bay, or witnessing sunrise at Cambodia’s Angkor Wat. Our 24/7 English-speaking support team is always available to assist with any connectivity needs throughout your three-country adventure.

What you can expect

High-speed data

Experience the reliable
5G/4G/LTE local network.

Extensive

Get mobile data connection
in just a couple of minutes.

Keep number

Keep your current number
and use data with our eSIM.

Near-local rate

Goodbye to expensive roaming
fees. No hidden fee.

Discover Indochina – Get Your Multi-Country eSIM!

Discover more Thailand eSIM plans!

Planning an incredible trip through Thailand’s bustling markets, Vietnam’s stunning landscapes, and Cambodia’s ancient wonders? Simplify your journey with a ThailandeSIM multi-country eSIM! Enjoy immediate activation and seamless data across all three nations. Avoid the hassle of multiple SIM cards and stay connected from start to finish. Purchase your triple-destination eSIM now!

How it works

Get eSIM at your fingertips, Get ready for your trip!

Step 1

Choose your plan

Browse our travel data plans and pick the perfect option.

Step 2

Activate with one scan

We’ll email your QR code – simply scan to activate.

Step 3

You’re all set!

Enjoy unlimited access through our fast and reliable network.

Things to know

Data-only eSIM

eSIM Thailand Vietnam Cambodia is all data-only plans. No phone number included.

Check compatibility

Ensure your device supports eSIM and is network-unlocked. Refer to our eSIM compatibility list before making a purchase.

Activation time

eSIM plan will be automatically activated right after installation. Therefore, it’s recommended to install eSIM 1 day before departure

15-day activation

Activate your data plan within 15 days of purchase. No cancellations, refunds, or changes after this period.

ONCE time scan

For any eSIM plan, please note that each eSIM QR code can only be scanned and installed ONCE. So, please do not delete the eSIM while using it. If you get any issue, please contact us for support.

Frequently asked questions

If you still have questions about this service? We are here to help

Is this a data-only eSIM for all three countries?

Yes, the Thailand Vietnam Cambodia eSIM is a data-only plan. It provides internet access for all your online needs (Browse, apps, messaging via data) across all three countries, but it does not include a local phone number for traditional voice calls or SMS.

When does my eSIM start?

Your validity will start right after installation. It’s recommended to install 1 day before departure.

Where does this tri-country eSIM provide coverage?

Our eSIM offers excellent data coverage throughout Thailand (including Bangkok, Chiang Mai, Phuket), across Vietnam (including Hanoi, Ho Chi Minh City, Danang, Hoi An), and throughout Cambodia (including Phnom Penh, Siem Reap, Sihanoukville).

Does the eSIM switch automatically between countries?

Yes! Our tri-country eSIM detects your location and seamlessly transitions between Thai, Vietnamese, and Cambodian networks as you cross borders, requiring no manual intervention or settings changes.

How to activate my eSIM?

Install the eSIM with a QR code sent to your email. In the mobile settings, select it as the default mobile data medium, turn on the data roaming and mobile data (cellular data). Then, your eSIM will work. Read more eSIM installation guide.

Can I share data or tether with the eSIM in hotspot?

Yes, this eSIM plan includes hotspot feature.

How will I receive my eSIM?

After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within a few minutes. Just scan the QR code and follow the user guide.

How many times can I use my eSIM?

Our eSIMs are one-time-use eSIMs. After being activated, it will be ready for you to use until the expired date or the day when data runs out. If you remove eSIM from your phone, you will not be able to use it once again.

Can I get customer support if I face issues while in any of these countries?

Absolutely, ThailandeSIM offers 24/7 customer support for all our eSIM products, including the Thailand Vietnam Cambodia eSIM. Should you have any questions or encounter any issues with your Thailand, Vietnam, Cambodia eSIM, our dedicated team is available around the clock to assist you, no matter which country you are in.

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eSIM Thailand Vietnam Cambodia

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4.5

Based on 12 reviews

5 star	50	50%
4 star	50	50%
3 star		0%
2 star		0%
1 star		0%

1-5 of 12 reviews

Christoph Hayduk
Verified owner

28 March, 2025

It seemed to even work in Singapore.
No problems at all.
Jack Wilson
Reviewer

26 February, 2025

Used the 15-day 2GB/day plan for my Southeast Asia tour. Seamless switching between networks in all three countries. Perfect coverage from Bangkok to Hanoi to Siem Reap.
Emma Chang
Reviewer

23 February, 2025

The 12-day 1GB/day plan was ideal for my backpacking trip. Good network coverage with Truemove, Viettel, and CamGSM. Reliable speeds for navigation and social media.
Aditya Patel
Reviewer

20 February, 2025

Opted for the 30-day 2GB/day plan. Great performance across all networks. The daily data allowance was sufficient for photos, maps, and video calls.
Marie Laurent
Reviewer

17 February, 2025

8-day 500MB/day plan worked well for my business trip. Consistent connectivity in major cities of all three countries. Installation was straightforward.