Temporary Phone Number for Zalo
Updated 3 min read
Zalo logs you in with a one-time SMS to your phone number, and that number becomes the account for good. Keeping a Zalo profile separate from the line you use every day calls for an additional virtual number, a practical option for this one signup. 5SIM lets you receive the SMS online and manage the active order from your dashboard.
Receive SMS online for Zalo verification – Virtual Number for SMS Verification
Zalo is Vietnam's default messenger, built and run by VNG. It carries one-to-one and group chat, voice and video calls, a Timeline feed for posts, QR scanning for adding contacts, and Official Accounts that businesses and public bodies use to reach people. Some government services run their notices through it. A March 2026 survey put Zalo's reach at 98% of Vietnamese phone users, ahead of Facebook, Messenger, TikTok, and YouTube.
The scale is large for a single-country app. Zalo counted 81.3 million monthly active users in the second quarter of 2026 and moved more than 2.2 billion messages a day. It also runs a Mini App platform inside the chat, the way the bigger global messengers do, so shops and services open without a separate install. Around 24 million people, close to a third of the monthly base, now use its AI features each month, a figure up about a third on the year.
Those AI tools sit inside ordinary chats: composing a message by voice, translating a conversation in real time, captioning a video call, and turning voice notes into text and back. For VNG, which also runs games and cloud services, Zalo and its AI features brought in 639 billion dong in the quarter, up 63% year on year.
A Zalo account is tied to a phone number and activated with a one-time SMS when the app first runs. That number is the account and its login. Someone who wants a Zalo account separate from a personal or work line can activate it with an additional virtual number and read the SMS in a 5SIM order.
How to buy a virtual phone number for Zalo
Pick the service first on 5SIM. With Zalo set and a stocked country added, the operators line up, each with a price, an available quantity, and an SMS delivery rate.
Buy the number that fits and it lands in your active order right away. Enter it on Zalo's verification screen, and the SMS arrives in that same order.
An order you don't use is covered. Cancel it and the balance is back on 5SIM straight away, or let the timer end and the refund arrives on its own.
Top Up your Balance
Add funds to your balance via any of the payment methods offered by our website; to access them, click on the profile icon, then click "Top up balance".
Choose a Purchase Method
Manual Buy:
• Choose the country and operator yourself. This option gives you full control over the purchase.
Smart Buy:
• The fastest option. Simply choose a service, and we’ll automatically select the country and operator with the best SMS delivery rate.
Select a Service
In the left panel you can choose the service you need, may it be a website or an app, which you can receive an SMS for. If the service you need is not listed, try using the service "Other". You can also reorganize the list and choose country first.
Select a Country
It is recommended to choose the countries and operators with high SMS delivery rates—check out the sections "Statistics" and "Prices" to find the best options for the service you need.
Select an Operator and Click "Buy"
Apply the Phone Number that You Received
• Press the copy button near the phone number, then paste the number where required.
If necessary:
• Click "Cancel" if you do not wish to continue the process of receiving SMS.
• Click "Ban" if the number has already been used.
If you didn't receive an SMS, you will be refunded automaticallyrarely it may take up to 15 minutes
Receive an SMS
Once you purchase a virtual number, you can receive unlimited SMS messages for a certain website or app within 5-30 minutes. If a SMS is not delivered within five minutes, in some cases the order will be canceled automatically. Some service/country/operator combos can provide you with only one SMS message. Click here to learn more about SMS delivery.
If there’s an error that you cannot solve yourself, contact our support.
Pros of using temp numbers for Zalo
There are several practical reasons to use an additional virtual number with Zalo, from convenient registration to using the service while traveling.
Convenient registration: An additional number can make a supported Zalo registration more convenient when an SMS is required.
Privacy: Using an additional number can help keep your usual contact details separate from a particular online service.
Travel: A virtual number can be useful when you are traveling and need to access a supported Zalo registration online.
No physical SIM: There is no need to purchase or carry another physical SIM for a short registration or verification step.
Online access: Incoming SMS is displayed in your 5SIM dashboard while the active order is available.
Compare Zalo Numbers by Country, Operator and SMS Delivery Rate
Pick Zalo and a country on 5SIM, and the operators for that pair appear with a price, a remaining quantity, and a delivery rate beside each one.
That figure reflects how recent orders closed. A 73% reading for Zalo on a country and operator means 73 of the last 100 landed the SMS. With two prices close, weigh the reading over the gap.
- Price from
- $0.038
- Countries available
- 140
- Operators
- 331
- Best SMS delivery rate
- 95%
Portugal
Virtual51
177 pcsUSA
Virtual63
8519 pcsGermany
Virtual51
172 pcsNetherlands
Virtual53
69 pcsGeorgia
Virtual4
25 000 pcsUSA
Virtual51
17 853 pcsGermany
Virtual2
1 pcsPoland
Virtual58
1752 pcsLive data from the 5SIM Statistics — prices, stock and SMS delivery rates change through the day.
FAQ
Yes. Virtual numbers can be used for legitimate personal and online tasks, including registering with supported services such as Zalo. They can also be a convenient way to use an additional phone number for a specific purpose.
SMS delivery time can vary depending on the service, country, and mobile operator. If the expected SMS does not arrive, the cost of the number is automatically returned to your 5SIM balance after the order is completed. You can then try another available number or operator.
No. Temporary numbers are intended for a specific task and cannot be reused after the order has been completed. If you need an additional number for another task, you will need to purchase a new number.
SMS delivery can vary depending on the country and mobile operator. You can check the available options and SMS delivery statistics on 5SIM to choose a suitable number for your needs. You can also use Smart Buy to make the selection easier. Simply choose Zalo, and Smart Buy will automatically select an available country and operator with the highest SMS delivery rating among the available options. You can also set a maximum price to stay within your budget.
No. Each temporary number is designed for one Zalo account verification.
5SIM offers virtual numbers from many countries. Available options depend on the country, service, and current operator availability.
Popular Countries for Zalo Verification
The list below gathers countries that tend to do well for Zalo verification on 5SIM. Zalo is a Vietnamese service, so a Vietnamese number is the natural fit, with regional markets next depending on stock.
Stock moves through the day as buyers take numbers and release them, so the list is a snapshot. Settle on a country and its operators set the price and send the SMS.
Other guides you may need
Buy Virtual Number for Zalo
Activating Zalo for messaging and calls? Any operator 5SIM has in stock gives you a number, and the verification SMS comes back in the same order, clear of your everyday line.