Change Number to Vietnam for Apps – Complete 2025 Guide
If you plan to stay in Vietnam for work, study or travel, you may need to change your number to a Vietnam number so everyday apps work smoothly. A local number helps you verify ride-hailing, delivery, social and lifestyle apps commonly used in Vietnam. This guide explains how it works, why it matters and how to update your apps without complications.
📌 Why You May Need a Vietnam Number for Apps
Many Vietnam-based services use SMS verification to confirm identity, register accounts or send important notifications. With an overseas number, some apps may not deliver verification codes reliably. A Vietnam number allows smoother onboarding for daily-use platforms such as:
- Ride-hailing apps that require local SMS verification.
- Food delivery apps needing a reachable local number for driver contact.
- Messaging and social apps requiring re-verification when switching devices.
- Hotel and tour coordination where local calls or SMS are easier.
With a Vietnam number active on your device, registration and verification typically complete within minutes.
📊 Options to Change Your Number to a Vietnam Number
1. Physical SIM Card
Prepaid SIMs are available at airports and city shops. They require in-person registration and may take extra time during busy periods. If the SIM is misplaced, access to your number stops immediately.
2. Vietnam eSIM with Phone Number
A practical solution for travelers in 2025 is activating an eSIM that includes a real Vietnamese number. It can be purchased online, delivered instantly by QR code and installed without visiting any store. Ideal for travelers who want local calls, SMS and seamless verification for Vietnamese services.
See available plans here: Vietnam eSIM with Phone Number.
3. Virtual Number Services (Not Recommended)
Some websites offer “virtual Vietnam numbers,” but many do not work reliably with local apps. These numbers are often recycled, shared or blocked by major platforms, leading to failed verification.
🛠 Step-by-Step: How to Change Your Number Inside Popular Apps
Grab
- Activate your Vietnam eSIM with phone number.
- Open Grab → Profile → Phone Number.
- Enter your Vietnam number and request SMS verification.
- Enter the OTP received by SMS.
- Go to Settings → Account → Change Number.
- Enter your old number and your new Vietnam number.
- Receive SMS code → Verify.
- Your chats and groups remain intact.
Zalo
- Go to Settings → Account & Security → Change Phone Number.
- Enter the Vietnam number → Request SMS code.
- Verify and continue using your account normally.
📍 Real User Notes (2024–2025)
Many travelers report smoother experiences when using a Vietnam number for verification and everyday communication. Ride-hailing activation completes faster, food deliveries become easier to coordinate and local services can contact you reliably for check-ins and confirmations.
🧭 Keeping Your Vietnam Number Active While Traveling
Apps like WhatsApp let you keep a number even after leaving Vietnam as long as the eSIM plan remains active. Ride-hailing and delivery apps require the number only while you are physically in Vietnam. For extended trips, maintaining a Vietnam eSIM ensures continuity across multiple logins and devices.
💡 Tips for a Smooth Transition
- Install your Vietnam eSIM before updating numbers in apps.
- Use dual SIM mode to keep your home SIM active for its own notifications.
- Save your Vietnam number somewhere handy before changing devices.
- Restart your phone after installing or changing SIM profiles.
🧩 Common Issues and Solutions
- Not receiving SMS codes — restart your device or toggle airplane mode.
- App still showing old number — clear app cache or re-login.
- Driver cannot contact you — ensure your Vietnam number is selected for calls.
📍 Recommended Solutions for Visitors
Travelers who need a local number for app verification often choose an eSIM with phone number for its convenience and instant activation. GoVnSIM provides several plans suitable for quick trips or longer stays:
| Plan | Data | Validity | Phone Number | Price |
|---|---|---|---|---|
| Vietnam eSIM with Phone Number | 3GB/day | 10 days | Yes | $6.90 |
| Vietnam eSIM with Phone Number | 3GB/day | 15 days | Yes | $12.50 |
| Vietnam eSIM with Phone Number | 6GB/day | 30 days | Yes | $17.90 |
💬 Traveler Example
Maria, visiting Hanoi for three weeks, needed to register ride-hailing and communicate with her homestay. She installed a GoVnSIM eSIM with a Vietnamese number before boarding her flight. Once she landed, SMS verification for her apps completed in seconds. Drivers contacted her easily and she coordinated tours without difficulty.
💡 Choosing the Right Option for Your Stay
If you need calls, SMS and app verification, explore the Vietnam eSIM with Phone Number collection.
If your trip focuses on regions with less urban infrastructure and you only need strong daily data, consider the Viettel eSIM for Tourists for stable coverage in remote and mountainous areas.
📣 Plan Your Connectivity
Setting up your SIM before arrival helps you avoid delays at the airport. You can also arrange airport pickup through GoVnSIM’s partner service here: Vietnam airport pickup service.
For a 30-day option with generous data, see the Vietnam eSIM 30 Days Ultimate Plan.
Support: WhatsApp +84 98 307 49 15 · LINE: anyaxiaoying · Email: info@govnsim.com
Part of Heera Travel Group – Explore more Vietnam tours at HeeraTravel.com.