How to Check DU Number – How to Know my DU Number 2025
Forgetting your DU mobile number is more common than you think—especially when you’ve just activated a new SIM or haven’t used it in a while. If you’re wondering how to know my DU number, this updated 2025 guide provides every possible method to help you retrieve it quickly and effortlessly.
Whether you’re trying to check your DU number without balance, locate it via SMS, or manage it through the DU app, we’ve broken down every solution, along with expert tips and recommendations.
Why You May Need to Check Your DU Number
Your DU mobile number is more than just digits—it’s your identity in digital services, mobile banking, communication, and government documentation. Whether you’re filling out a form, activating WhatsApp, or registering for online services, knowing your exact DU number is essential.
With multiple DU SIM number check methods available today, you don’t need to panic if you’ve forgotten your number. Let’s go through all the tried-and-tested ways to find your DU number.
1. Check DU Number via USSD Code (Quickest Way)
If you’re looking for an instant, offline way to get your number, dialing a DU number check code is your best bet.
Steps:
- Open your phone’s dialer.
- Enter the DU number check code:
*116# - Hit the call button.
- Your DU number will be instantly displayed on your screen.
Why it works best:
- No balance or internet required.
- 100% free.
- Works on all DU prepaid and postpaid SIMs.
💡 This is the most convenient method for anyone wondering “how to check DU number without balance.”
Related: NOL Card Balance Check
2. How to Know My DU Number Using DU App
The DU Mobile App is ideal for those who prefer managing their services digitally. Not only can you view your DU number, but you can also check your usage, balances, recharge history, and even pay bills.
Steps:
- Download the DU App from the Google Play Store or Apple App Store.
- Sign in using your DU login credentials.
- Tap on “Account.”
- Your DU mobile number will appear on the dashboard.
Benefits:
- Manage your entire account.
- Secure and official access.
- Great for regular DU users.
Related: FAB Balance Check Made Easy
3. DU Number Check via SMS
Another simple and effective method for DU SIM number check is via SMS.
Steps:
- Open your messaging app.
- Type:
NUMBER - Send the SMS to:
1355 - You’ll receive an official DU message with your mobile number.
Advantages:
- Works on all types of phones.
- Doesn’t require internet.
- Official confirmation via SMS.
⚠️ Be careful to send the SMS only to 1355 to avoid phishing or scam messages.
Related: How to Transfer Money from Ratibi Card
4. Give a Missed Call or Send SMS to Another Number
This method is practical if you have access to another phone or a friend nearby.
Steps:
- Call or send a message using your DU SIM to a friend or secondary number.
- Your number will appear on their screen.
When to use this:
- When other methods aren’t working.
- You don’t want to use USSD or apps.
💬 Tip: This is also helpful when verifying your DU number on WhatsApp or other social platforms.
5. Check the SIM Card Packaging
Still have your DU SIM packaging? That’s another way to retrieve your number.
Steps:
- Locate the original plastic card or box your DU SIM came in.
- Look for your number printed on the SIM holder or packaging.
Why it helps:
- Doesn’t require a phone or internet.
- Permanent and reliable source if kept safely.
Related: Ratibi Card Salary Check Online
6. Contact DU Customer Support (Last Resort)
If none of the above methods work, contacting DU customer care number is your best option.
Steps:
- Dial
155from your DU number. - Follow the IVR to connect with a customer service agent.
- Request your DU mobile number after verification.
Perks:
- 24/7 availability.
- Can resolve other issues like DU SIM activation, data plan issues, or DU balance check.
Summary: Best Methods to Know Your DU Number
| Method | Internet Required | Cost | Speed |
|---|---|---|---|
USSD Code (*116#) | ❌ | Free | ✅ Fast |
| DU App | ✅ | Free | ✅ Fast |
| SMS to 1355 | ❌ | Free | ✅ Fast |
| Missed Call/SMS to another phone | ❌ | Standard SMS/call charges | ✅ Fast |
| SIM Packaging | ❌ | Free | ✅ Fast |
| DU Helpline (155) | ❌ | Free | Medium |
FAQs
Q: How to check DU number without balance?
A: Simply dial *116#—it’s free and doesn’t require internet or balance.
Q: What is the DU SIM number check code?
A: The official USSD code to check your DU number is *116#.
Q: Can I use the DU App to find my number?
A: Yes! Just log in and go to the “Account” section to view your number.
Q: What if I lost my SIM packaging?
A: You can retrieve your number by calling *116#, or by contacting DU customer service at 155.
Final Thoughts
Whether you’re a new DU subscriber or someone who hasn’t memorized their number, there are plenty of reliable ways to figure out how to check DU number. The easiest and most hassle-free solution is the USSD code *116#, especially when you’re out of balance or offline. Tech-savvy users can take full advantage of the DU App for a complete digital experience.
