No products in the cart.
Buy Vietnam eSIM with Phone Number: Full Guide for 2025
Buy Vietnam eSIM with phone number is the smartest way to stay connected in Vietnam, whether you are a tourist, digital nomad, or long-term expat. If you’re searching for a way to get a local Vietnamese phone number for Grab, Zalo, OTP banking or simply want hassle-free mobile data, the modern eSIM is your top solution. In this 2025 guide, you’ll learn step-by-step how to buy, activate, and make the most of your eSIM Vietnam with phone number, with insider tips to avoid scams and maximize your experience.
Why Buy Vietnam eSIM with Phone Number?
Many travelers still buy physical SIM cards at the airport, but this is no longer the best option. With an eSIM, you can order online before your trip, receive your QR code instantly by email, and activate it the moment you land. The biggest benefit of choosing to buy Vietnam eSIM with phone number is having a real local mobile number for:
- Booking Grab and local ride apps (phone number required for account verification)
- Registering on Zalo and other Vietnamese apps
- Receiving OTP SMS for banking or shopping
- Making local and international calls at local rates
- Enjoying secure mobile data with top 4G/5G networks
Who Needs to Buy Vietnam eSIM with Phone Number?
If you fit into any of these groups, this solution is for you:
- Tourists who want instant activation and no SIM swap hassle
- Digital nomads/Expats living in Vietnam long-term and need a stable phone number for paperwork, banking, and ride apps
- Business travelers who need local connectivity for meetings and OTP authentication
- Anyone who wants to avoid roaming charges and unreliable airport kiosks
Step-by-Step: How to Buy Vietnam eSIM with Phone Number
- Check if your phone supports eSIM: Most modern iPhones (XS, XR, 11 and up), Google Pixel, Samsung Galaxy S20/S21 and newer all support eSIM. See the full eSIM compatibility list.
- Choose a trusted provider: Only buy from reputable websites with real reviews. For the most detailed guide and safest purchase, check the Vietnam eSIM with Phone Number: The Definitive Guide (2025).
- Select your plan: Decide how much data and validity you need. Options include daily, weekly, 30-day, or long-term plans. Plans with Vietnamese phone numbers are ideal for all-around use.
- Order online: Fill out your details (passport, name, email). After payment, you’ll receive your eSIM QR code instantly by email or within a few minutes.
- Activate your eSIM: Open your phone’s Settings → Mobile Data → Add eSIM or Cellular Plan → Scan the QR code → Confirm. Your local number will be active as soon as you land in Vietnam.
Benefits of Buying Vietnam eSIM with Phone Number vs Data-Only eSIM
| Feature | eSIM with Phone Number | Data-Only eSIM |
|---|---|---|
| Local phone number | ✔️ (Vietnamese number for calls/SMS/OTP) | ❌ (No local number) |
| OTP/Banking/Grab support | ✔️ Full support | ❌ Not possible |
| Supports calls/SMS | ✔️ Yes | ❌ Data only |
| eKYC (registration) | ✔️ Passport required (per Vietnam law) | ❌ May not need registration |
| Best for | Tourists, expats, business, long-term stay | Short-term data users |
Key Things to Know Before You Buy Vietnam eSIM with Phone Number
- You must register with your real passport/ID for a local number (Vietnam law since 2023). This helps prevent fraud and supports legal use for banking, Grab, Zalo, etc.
- Buy your eSIM before arrival for fastest activation (most plans can be pre-activated to start on your arrival date)
- Some providers may offer only data or limit SMS/calls. Always check plan details and confirm you get a real Vietnamese number
- Keep your confirmation email handy; you may need to show it at immigration or to local authorities if requested
- For the best, safest purchase, see our in-depth guide: Vietnam eSIM with Phone Number: The Definitive Guide (2025)
Recommended Providers to Buy Vietnam eSIM with Phone Number
- GovnSIM – Official provider, real Vietnamese number, instant delivery, top-rated support. See detailed guide & buy here
- Viettel/Mobifone official stores – Require passport registration in person. Info: Viettel Telecom
- GSMA eSIM Directory – For general info about eSIM and compatible devices. Learn more on GSMA
Internal Link to Pillar Guide
For complete details, see our dedicated pillar guide: Vietnam eSIM with Phone Number: The Definitive Guide (2025)
FAQ: Buy Vietnam eSIM with Phone Number
Can I use Vietnam eSIM with phone number for Grab and Zalo?
Yes! Buying a Vietnam eSIM with phone number is the only way to receive OTP and create full-function accounts on Grab, Zalo, and banking apps.
Is it legal to buy a Vietnam eSIM with phone number online?
Yes, as long as you register with your real passport and use trusted, registered providers. This is fully compliant with Vietnam telecom law.
How fast can I activate my eSIM?
In most cases, you can activate your eSIM in 5–10 minutes after payment. Your local number will be live as soon as you scan the QR code and connect to a network in Vietnam.
Advanced Tips: Buy Vietnam eSIM with Phone Number Like a Pro
If you are ready to buy Vietnam eSIM with phone number and want the smoothest experience, here are expert tips from local users and long-term expats that will save you time, money, and stress:
- Pre-register your eSIM: Order your eSIM at least 1–2 days before you fly to Vietnam. This gives time for identity (passport) verification and ensures instant activation upon landing.
- Set up dual SIM for maximum convenience: Use your home SIM for WhatsApp or banking, and use your new Vietnam eSIM with phone number for Grab, Zalo, and local calls. All modern smartphones allow dual SIM (physical + eSIM) simultaneously.
- Top up easily online: With GovnSIM and official Vietnamese carriers, you can top up your balance directly via their websites or at thousands of convenience stores (Circle K, VinMart, FamilyMart) across Vietnam.
- Protect your OTP SMS: Never share your Vietnam phone number or OTP code with strangers. Only use your eSIM with phone number for legitimate app registrations and banking.
- Use eSIM for business registration: A local number is often required to register for coworking spaces, delivery services, and even certain bank accounts in Vietnam. Buying a Vietnam eSIM with phone number gives you this flexibility instantly.
- Verify eSIM compatibility again: Always double-check your device’s compatibility in your phone’s settings or at GSMA’s official eSIM device directory.
How to Register Services with Vietnam eSIM Phone Number
Once you buy Vietnam eSIM with phone number and activate it, here are some essential services you can instantly register for:
- Grab App: Download, select Vietnam as your region, enter your eSIM number, and verify via OTP SMS. You can now book cars, bikes, food delivery, and pay cashless.
- Zalo: Sign up using your Vietnam number for local messaging, calls, and business contacts.
- Banking/OTP: Use your Vietnam eSIM number to receive secure OTP for online banking, shopping, or signing contracts.
- Other apps: Register for Shopee, Tiki, Gojek, BAEMIN, and even coworking spaces or gyms, all require a verified local number.
For detailed, step-by-step visuals, see the pillar guide here.
Troubleshooting: Common Issues When Buying Vietnam eSIM with Phone Number
- eSIM not activating: Double-check your phone settings and internet connection. Ensure you scanned the correct QR code and followed activation instructions for your device brand (see guide here).
- No SMS/OTP received: Make sure your eSIM plan includes SMS service. Some data-only eSIMs do not support SMS—always select a plan that says “with phone number.”
- Network issues: Restart your phone, select the local network manually (Viettel, Mobifone), and check APN settings provided by your eSIM provider.
- Registration denied: If your passport scan is blurry or information doesn’t match, resubmit your ID or contact support via WhatsApp or LINE for help.
Real User Reviews: Buying Vietnam eSIM with Phone Number
See what real customers say about their experience with Vietnam eSIM with phone number from GovnSIM’s guide and reviews:
“As a digital nomad, having a local phone number was essential for getting Grab, opening a bank account, and staying connected. The eSIM activation was instant and support was fast.” — Michael B., Germany
“Highly recommend! Bought my Vietnam eSIM with phone number before flying from Taipei. Landed, scanned QR, and was online in 2 minutes. Used it for Zalo, Shopee, and local calls without issue.” — Amy L., Taiwan
“GovnSIM’s eSIM with local number worked perfectly for my 2-month stay. Received all OTP SMS for banking and Grab without any hiccups. Customer support was excellent.” — Siddharth S., India
Want to read more real user reviews? Visit Vietnam eSIM with Phone Number: The Definitive Guide (2025) for testimonials and updated feedback.
Case Study: Using Vietnam eSIM with Phone Number for Business & Travel
Case 1: Remote worker from Singapore
Jane needed a Vietnamese phone number for her company’s payroll app, Grab, and daily work. She ordered a Vietnam eSIM with phone number online, pre-registered with her passport, and landed in Hanoi with instant access. She was able to sign up for Grab, receive OTP SMS from her bank, and even set up ZaloPay for local transfers—all with a single eSIM.
Case 2: Tourist family from France
The Nguyen family wanted data plus the ability to call hotels, book taxis, and use ride-hailing apps. They each bought Vietnam eSIMs with phone numbers before flying. On arrival, every member activated their eSIM in minutes, connected to Viettel’s fast 4G, and used their local numbers for Grab and hotel calls. No SIM swap hassle and no lost plastic SIMs!
Buy Vietnam eSIM with Phone Number – Key Steps & Tips
- 1. Check eSIM compatibility
- 2. Order & register online
- 3. Receive QR code
- 4. Activate in phone settings
- 5. Use your local number for Grab, OTP, Zalo, and more
Why Choose GovnSIM for Buying Vietnam eSIM with Phone Number?
- Official partnership with major Vietnamese networks (Viettel, Mobifone)
- Real Vietnamese phone numbers with full SMS and call support
- Instant QR code delivery, English/Chinese support, clear refund policy
- Trusted by thousands of travelers and expats (see real user stories here)
• Vietnam eSIM with Phone Number: The Definitive Guide (2025)
• GSMA eSIM compatible devices directory
• Viettel official site
FAQ: Buy Vietnam eSIM with Phone Number (Continued)
Can I keep my old WhatsApp with Vietnam eSIM?
Yes, you can keep your WhatsApp tied to your home number, and use your Vietnam eSIM with phone number for all local apps and services at the same time (dual SIM mode).
Do I need to visit a Viettel or Mobifone store in person?
No, if you buy from providers like GovnSIM, all registration and setup are handled online. Physical store visits are only needed if you buy direct from local shops (which may take more time and require a Vietnamese address).
How do I top up my Vietnam eSIM balance?
Use the provider’s website, banking apps, or physical top-up cards available at all convenience stores in Vietnam. For step-by-step, check the pillar guide.
Buy Vietnam eSIM with Phone Number for Ultimate Convenience
Choosing to buy Vietnam eSIM with phone number is the best way for travelers, digital nomads, and long-term visitors to enjoy secure, instant, and flexible connectivity in Vietnam. No more SIM swaps or wasted time at the airport—just scan your code, activate, and you’re online with a real local number for Grab, Zalo, banking, and calls.
Ready to get started? Visit our definitive guide and secure your eSIM now: Vietnam eSIM with Phone Number: The Definitive Guide (2025)