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