Asia-Australia-USA eSIM by Vietnamesim.com

Asia-Australia-USA eSIM

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  • Data: Daily 300MB – Daily 1GB and 1GB – 15GB high-speed data 5G/4G/LTE
  • Validity: 3/5/7/10/15/20/30 days
  • Coverage: Vietnam + Australia + USA + 21 other countries
  • Network operator: varied by destination (see below)
  • Phone number: No
  • Delivery: Immediate, via email, after order checkout
  • Hotspot/Tethering: Yes

$6.50 – $103.90

Secure payment guaranteed

Asia–Australia–USA eSIM

One eSIM – 24 Countries – Global Freedom to Connect.

Stay connected across Asia, Australia, and the United States with one ultra-convenient eSIM. With the Asia–Australia–USA eSIM, enjoy seamless high-speed 5G/4G LTE data in 24 destinations — all without physical SIM cards, roaming charges, or Wi-Fi hunting. Simply scan the QR code delivered instantly via email and activate within minutes. Powered by top networks in each country.

  • Various data plans for different users’ needs, from daily to fixed data.
  • No need to top-up for more data.
  • Seamless connectivity as you cross borders between 24 countries.
  • Perfect for multi-country travelers, backpackers, business travelers, or digital nomads.
Asia Australia USA eSIM offers high-speed fixed data for travelers

Which 24 countries are covered?

Country Network
Australia Telstra, Optus
Macao CTM
Pakistan Telenor
Dominica Orange
Philippines Globe
Korea (South) SKT, KT, LG U+
Cambodia Metfone
Kuwait VIVA Kuwait
Malaysia Maxis, Digi
Nigeria Glo Mobile Limited
America (USA) T-Mobile
Japan SoftBank, KDDI
Sri Lanka Etisalat Lanka, Hutchison Telecom
Taiwan CHT
Thailand AIS, DTAC
Turkey Turkcell
Hong Kong HKT
Singapore Singtel, Starhub
New Zealand TNZ, 2Degrees
Israel Pelephon, Partner
India Bharti Airtel, Vodafone
Indonesia Telkomsel
Vietnam Mobifone, Vietnamobile
China China Unicom

What you can expect

#1 Multi-Country Coverage

Connect easily in Asia, Australia, and the United States – no SIM swap.

Instant activation

Get your mobile data working in just a few minutes, ready for all four countries.

Keep number

Continue using your current number while enjoying our eSIM data.

Zero roaming fees

Everything paid upfront, zero hidden fees or international roaming costs.

Asia-Australia-USA eSIM offers high-speed data

eSIM Asia-Australia-USA covers 24 countries

Ready for a multi-country adventure from Asia to America? The Asia–Australia–USA eSIM is your all-in-one data solution for staying connected across continents. Skip the hassle of buying multiple SIM cards. Enjoy uninterrupted data across borders with our eSIM — your all-in-one travel connectivity solution.

Browse more eSIM plans for Vietnam!

How it works

Your 24-country connectivity awaits – prepare for an unforgettable traveling experience!
Step 1 - Buy plan for Hanoi eSIM

Step 1

Choose your plan

Browse our travel data plans, pick the perfect option and place an order.

Step 2

Scan QR code

Receive the QR code and user guide via email (instantly). Simply scan to activate.

Step 3 - Enjoy Internet with Hanoi eSIM

Step 3

You’re all set!

Enjoy seamless access through fast and reliable networks in both Asian countries, Australia and USA.

Things to know

Data service

This is a data-only eSIM, no phone number is included. Use apps like Zalo, WhatsApp, Telegram, or Skype for messaging and calls.

Check compatibility

Make sure your phone is eSIM-compatible and unlocked. Check the eSIM compatibility list.

Activation time

Your plan activates once installed and connected to a supported network. We recommend installing it just before departure or upon arrival.

30-day activation

You must activate your eSIM within 30 days of purchase. After activation, the validity countdown begins. No cancellations, refunds, or changes after activation.

One-time scan

Each QR code is single-use. Do not delete the eSIM once installed. Contact [email protected] or +1 657-571-1199 if you need help.

Frequently asked questions

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

Do I need a passport to buy the eSIM?

No, you don’t. Purchasing through vietnamesim.com requires no ID verification.

It starts as soon as you install it and connect to a supported network in covered countries.
Once activated, the validity countdown (e.g., 8, 12, 15, or 30 days) begins, and your daily data allowance becomes available. The plan works seamlessly as you travel across all four countries.

Yes! You’ll get full-speed data in all covered countries, with seamless switching between networks — no SIM swap needed.

Install the evening before departure or on arrival at the airport (Bangkok, Siem Reap, Phnom Penh, Vientiane, Luang Prabang, Hanoi, Ho Chi Minh City) using free airport Wi-Fi.

Your plan includes a set amount of data per day (500MB, 1GB, or 2GB). Data resets automatically every night at 00:00 GMT+8.

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

Yes, Asia-Australia-USA eSIM plans include hotspot feature for sharing data with other devices.

After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within 3-10 minutes. Just scan the QR code and follow the user guide.

Our 4-Southeast-Asian-country eSIM is a one-time-use eSIM. After being activated, it will be ready for you to use until the expired date or when total data runs out. If you remove eSIM from your phone, you will not be able to use it once again.

We provide 24/7 customer support via WhatsApp (+1 657-571-1199) and email to promptly resolve any connectivity issues during your adventure.

These plans are data-only. You can use data-based calling apps like WhatsApp, Skype, WeChat, or Zalo for voice calls.

Yes. Set your primary SIM for calls/SMS, and the eSIM for mobile data only.

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