When it comes to controlling your DU account, your DU number is important. To track your bill, resolve service issues, or verify your identity with customer care, your DU number will open a range of services to you. In this detailed tutorial, you shall understand how to know your DU number, and why it’s important to control your account, so let’s get started!
What is a DU Number?
Your DU number serves as your unique identifier, attached to your DU account and linking all related information, including your mobile number, services, and billing details. It’s your ID in the DU system. Keep this number handy to prevent any delays when dealing with your account or requesting assistance.
Why is Your DU Number Important?
The DU number is useful in accessing various services, such as troubleshooting technical issues, dealing with billing inquiries, and asking for an upgrade. In addition, having your DU number readily available is convenient when referencing your account when dialing customer service or when using online self-service resources.
Overview of the Guide
This piece of writing enlightens you on all you need to know regarding finding and procuring your DU number, from the internet to using mobile applications and security measures. You will be well aware of all the steps you need to follow by the time you complete reading this article, to search and acquire your DU number with ease within a short time.
How to Know Your DU Number
It is extremely simple to find your DU number in several locations, such as:
Steps to Follow
- Step 1: Open your phone’s dialer.
- Step 2: Dial *116#.
- Step 3: Press the call button.
- Step 4: The DU mobile number you have selected will now show on the display screen.
How to Know Your DU Number Physical DU Number Card
If you’ve had DU for some time now, you may even have a physical DU number card. The card should have your DU number on the front of it. If you’ve lost your card, don’t worry—there are other means to discover your DU number.
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How to Know Your DU Number Sending an SMS
Another way to retrieve your DU number is by sending an SMS with a specific code.

Steps to Follow
- Step 1: Open your messaging app.
- Step 2: Compose a new message with the text:
NUMBER
(all caps). - Step 3: Send it to 1355.
- Step 4: You will receive an SMS with your DU mobile number shortly.
How to Know Your DU Number DU Number on Mobile Bill
Another simple method to find your DU number is on your mobile bill. Your DU number will readily be visible on paper as well as online copies of your monthly bill. This is generally the simplest method for handy reference.
How to Know Your DU Number Online Accounts and Portals
If you already have an online account with DU, then you can see your DU number instantly by logging in to their self-service portal. It is a quick and secure way to access your account from anywhere on any device.
The Importance of DU Number to Consumers
Your DU number is the access key to all your account actions. It connects your account to the customer service of DU and enables you to:
- View and manage your services.
- Fix billing and technical problems.
- Get faster feedback from customer support, as they can recognize your account more easily.
Methods to Check Your DU Number
There are a few ways to search for your DU number, depending on what works best for you:
How to Know Your DU Number Using the DU Customer Portal
You can easily locate your DU number in the account information section by logging into your computer or mobile web browser with your DU customer portal. Have your login credentials ready beforehand.
How to Know Your DU Number Verifying Your Bill or Invoice
Your DU bill on a monthly basis is a reliable source to locate your DU number. Either in the form of an electronic bill or a printed bill, your DU number will be easily identifiable along with your account balance.
How to Know Your DU Number DU Number on Your SIM Card
Sometimes, your DU number is printed directly on the packaging of your SIM card. If you’ve recently switched SIM cards or can’t find your number elsewhere, check the card’s packaging for a sticker or label that lists the DU number.
Location of DU Number on SIM Card Packaging
Search for a small sticker with your DU number, which is usually close to the barcode or the packaging details. This can be an easy and convenient way if you happen to have the original box.
How to retrieve your DU Number from your SIM Card
If you can’t access the packaging, don’t stress! You may be able to get your DU number by putting the SIM card into a phone and checking the phone settings in “About Phone” or “SIM Status.” Or give the above steps a go.
Getting Your DU Number via the DU Website
If you have a web-based version you prefer, you can even retrieve your DU number from the official website of DU itself. Here is an easy step-by-step procedure:
1. Go to the DU website and log in to your account.
2. Go to the “Account Info” or “Billing” page.
3. Your DU number will be displayed below your account information.
4. Make sure your connection is secure by looking at the padlock icon in your web browser’s address bar.
Finding Your Number with the DU Mobile App
DU mobile app offers a simple interface to see your DU number on the move. Here’s how to do it:
1. Install the DU application from the App Store or Google Play.
2. Open the application and sign in.
3. Navigate to the “Account Info” or “My Profile” section.
4. Your DU number will be stated there in simple terms.
How to Know Your DU Number Through SMS
As a last resort, you can retrieve your DU number with a basic SMS. How to do it:
1. Open your messaging application.
2. Send a message “DU” to the DU number (see the official website for this number).
3. You’ll get a reply with your DU number.
Trouble Viewing the DU Number Online

Ensure that you have a stable internet connection and that you are using the right login credentials. Clear the browser cache or reinstall the application.
Incorrect DU Number on Your Bill
When you spot inconsistencies on your bill, contact DU’s billing section to clear up.
How DU Numbers Work in International Roaming
After traveling overseas, your DU number will play a crucial role in the management of international roaming services. This is what you should know:
Application of Your DU Number
You will need your DU number when activating and managing roaming services. It helps DU identify your account and charge you accordingly.
Regulation of Roaming Services Using Your DU Number
Before traveling, check that your DU number is registered for international roaming, and make sure you’ve set up roaming features.
How to Know Your DU Number for Roaming Access
You can check your DU number’s roaming eligibility by logging into your DU account or contacting customer support.
The DU Number in Business Accounts
For entrepreneurs, it is imperative to know your DU number to manage multiple lines and accounts effectively.
DU Numbers for Business Accounts
Your DU number will provide you with access to all related services, from billing to technical support, through a corporate account at DU.
Managing Multiple DU Numbers in a Business Scenario
You can manage multiple DU numbers through one business account, making billing and account handling processes easier.
Understanding Business Account Billing
Special billing cycles require and rates can be used for business accounts. Keep your DU number handy to avoid incorrect billing.
Verifying Your DU Number with DU Customer Support
Customer support can assist you with verifying your DU number and clearing up any lingo you’re unfamiliar with. Here’s how:
How to Verify Your DU Number with a Support Agent
When contacting DU, have your account information ready. Support agents may ask for personal details to confirm your identity before revealing your DU number.
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Conclusion
Method | Steps | Requires Internet? | Cost |
---|---|---|---|
Dialing a USSD Code | Dial *116# and press call | No | Free |
Using the DU App | Download the app, log in, check “Account” | Yes | Free |
Sending an SMS | Send “Number” to 1355 | No | Free |
Calling or Messaging Another Phone | Call or text another number | No | Standard rates apply |
Checking SIM Packaging | Find the original SIM card package | No | Free |
Contacting DU Customer Support | Dial 155 and ask for your number | No | Free |