There are several ways to look up information to help subscribers know the phone number they are using. How to check your phone number brings many benefits, especially for those who are “goldfish brains,” the sharing in the article below will surely be very helpful for you. Let’s find out and save it for future reference!

What is looking up your phone number?

Looking up your phone number is a way to check the information related to the subscription you are using. From there, you can easily manage applications or accounts that use your phone number effectively, such as internet banking, Zalo, Facebook, etc. At the same time, when you know your phone number, you can easily contact and communicate with others in your work. Therefore, knowing and remembering your subscription is necessary and important. In case you can’t remember it, you can still look it up in many different ways.

Looking up the phone number is a way of checking information related to the subscription.

Why should you know how to check your phone number?

Checking your phone number is a useful operation not only for forgetful people but also brings many benefits to users, specifically:

  • Remembering your phone number will make it easy to exchange and share with relatives and friends for work or communication purposes.
  • Conveniently checking the authorized information of the subscription you are currently using.
  • Easily accessing and controlling your accounts or applications for tighter management and security.
Checking phone number enables easy access to authorized information of the subscription.

How to quickly check your phone number

Nowadays, with the strong development of technology, contacting via social networks such as Facebook, Zalo, Telegram, etc. has become increasingly popular due to the convenience they bring. Therefore, many people forget their phone numbers. Moreover, in some unavoidable cases, we need to know our phone number. If you are also in those cases, please refer to the detailed instructions below.

Call or send a message to another subscriber

This is the simplest and easiest way to find out your phone number. You can use your phone to call or send a message to your friends or relatives nearby. At that time, your phone number will be displayed on the screen immediately. And you just need to save it.

Note that you should only use this method to check your phone number with acquaintances or with another phone. You should not borrow a phone from a stranger because they can use your phone number for unauthorized purposes, which may cause you trouble later.

Make a call to another subscriber to check your phone number.

Use USSD codes

To look up the subscription you are currently using, you can use USSD codes directly on your phone application. Each network provider will have different USSD codes. Based on the network provider of your subscription, you can look up the correct one according to the following instructions:

  • Vinaphone: *110#
  • Mobifone: *0#
  • Vietnamobile: *123#
  • Viettel: *777# or *888# (only available for certain subscriptions).

Accordingly, you just need to access the Keypad to dial the number on your phone > Enter the USSD code corresponding to your network provider > Press the Call button, and the information about your phone number will appear.

Use USSD codes to look up phone numbers.

Call the Customer Care Center of your network provider

If you do not want to use an application or bother others, you can call the Customer Care Center to look up your phone number. Each network provider has support hotlines for easy contact. Call charges will be applied depending on each network provider, so you should also note this.

Look up phone numbers from the Customer Care Center.

Based on that, you can look up your phone number through the Customer Care Center of network providers as follows:

Viettel network:

  • Hotline 197 or 198: Automated response regarding Viettel’s services and products.
  • Direct support hotline with charges applied: 1800 8098.

Vinaphone network:

  • Call 900, press 4: Applicable to Vinaphone prepaid subscribers.
  • Hotline 9191 or 1800 1091: Applicable to both Vinaphone prepaid and postpaid subscribers.

Mobifone network:

  • Call 900, press 4: Automated Mobifone switchboard.
  • Hotline 9090: Apply call charges for prepaid subscribers and free of charge for postpaid subscribers.

Vietnamobile network:

  • Call 123: Automated Vietnamobile Customer Care Center.
  • Call 789: Direct Vietnamobile Customer Care Center.

Use the official app of network providers

For users to easily install and look up information about their subscriptions instead of using traditional operations. Currently, network providers all have applications on iOS and Android platforms. To know or check the information of your subscription, try downloading the official app of network providers.

Viettel network:

  • Download My Viettel app for Android here.
  • Download My Viettel app for iOS here.

Step 1: Open the My Viettel app > Select Login, login with 3G/4G/5G > Enter Security Code > Press Confirm to automatically login to the app.

Open the My Viettel app.

Step 2: Select the 3 horizontal lines button at the top left corner to view user information > The Name and Phone Number will appear on the screen.

Select the 3 horizontal lines button at the top left corner.

Mobifone network:

  • Download My Mobifone app for Android here.
  • Download My Mobifone app for iOS here.
App of Mobifone network.

Vinaphone network:

  • Download My VNPT app for Android here.
  • Download My VNPT app for iOS here.
App of Vinaphone network.

Vietnamobile network:

  • Download Bima – My Vietnamobile app for Android here.
  • Download Bima – My Vietnamobile app for iOS here.
App of Vietnamobile network.

Steps to look up your phone number for Vinaphone, Mobifone, and Vietnamobile are similar to the instructions for Viettel network above. As for you, follow the procedure: Download the app of network providers according to the corresponding link above > Log in to the app > Check the phone number in the User Information section.

Access the official portal of network providers

Each network provider will have an official portal to help users check subscription information and phone numbers easily and accurately. You can access it to look up your phone number.

Viettel network:

Step 1: Access the official portal of Viettel network here.

Step 2: After accessing the homepage > Log in > Select the 3 horizontal lines button at the top left corner > View the phone number.

Log in to the official portal of Viettel network.

Mobifone network:

Step 1: Access the official portal of Mobifone network here.

Step 1: After accessing the homepage > Log in > Select the 3 horizontal lines button at the top left corner > View the phone number.

Log in to the official portal of Mobifone network.

Vinaphone network:

Step 1: Access the official portal of Vinaphone network here.

Step 2: After accessing the homepage > Log in > Select the 3 horizontal lines button at the top left corner > View the phone number.

Log in to the official portal of Vinaphone network.

How to check your phone number on iPhone

If you are using an iPhone, you can check your phone number in two ways:

Way 1: Open the Contacts application > Select Contacts > Your phone number will be displayed at the top of the screen.

Open the Contacts app.

Way 2: Open the Settings application > Select Phone > Continue to select My Number > Your phone number will be displayed. However, this checking method will only work if you have already logged in your phone number in the My Number section.

Select My Number.

How to check your phone number on Android

With an Android operating system mobile device, you can check your phone number with the following steps: Open the Settings application > Scroll down to select About phone or Device information > Then, information such as your phone number, phone model number, IMEI, along with other information will be displayed here.

Check the phone number on Android devices.

Frequently asked questions about checking your phone number

How can I check if my phone number is registered under my name?

Checking if a subscription is under your name is a procedure that helps users ensure their rights, limit scams, information theft, spam, etc., causing various other annoyances.

To check the information of a subscription under your name, you can perform it by composing a message according to the syntax: TTTB send 1414. Then, the registered information on the SIM card, including the name, date of birth, ID number, subscription type, activation date, etc., will be sent to you.

Compose a message according to the syntax: TTTB send 1414

Alternatively, to save time, you can contact the hotline of network providers directly for support from consultants to check, such as:

  • Viettel network: Hotline 198 or 1800 8098.
  • Mobifone network: Hotline 9090 or 1800 1090.
  • Vinaphone network: Hotline 9191 or 1800 1091.
  • Vietnamobile network: Hotline 123 or 789.

How can I check which network provider my phone number belongs to?

Checking which network provider a subscription belongs to helps users choose whether to make on-net or off-net calls to avoid high charges.

Vietnam Posts and Telecommunications App

To perform this operation, you can refer to the following instructions: Open the Vietnam Posts and Telecommunications app available on your phone > Select Number Portability Lookup > Enter the phone number > Select Check > Information such as the subscriber number, original network, (already ported or not) status will be displayed.

If you have not installed the Vietnam Posts and Telecommunications app on your phone, please download it via the links below:

Conclusion 

Through the above shares, it is hoped that you now know how to easily, quickly, and accurately check your phone number. Wish you success. Don’t forget to read more interesting technology tips from FPT Shop.

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Frequently asked questions

There are several ways to find your phone number even if you haven’t memorized it. You can dial a code, usually *#06#, which will display your number on the screen. Alternatively, you can access your phone’s settings and find the ‘About Phone’ or ‘Status’ section, where your number should be listed. Additionally, you can contact your mobile network operator and ask them to provide your phone number.

Knowing your phone number can be beneficial in various situations. For instance, when filling out forms or applications, you may be required to provide your contact information, including your phone number. Having your number memorized or easily accessible can save time and effort in such cases. Additionally, knowing your phone number can be helpful when giving it to others, ensuring they can reach you directly.

To remember your phone number easily, you can associate it with something memorable. Create a catchy phrase or mnemonic device that incorporates the numbers in a meaningful way. You can also break the number into smaller segments and focus on memorizing each part separately. Repeating the number out loud or writing it down several times can also aid in committing it to memory.

If you have multiple phone numbers, it’s a good idea to organize and label them clearly in your phone’s contacts. Assign distinct ringtones or vibration patterns to each number so that you can identify the incoming call or message is for that line. Additionally, utilize your phone’s settings to name each SIM card or eSIM, making it easier to switch between them.

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