How to Check Your DU Number in UAE (2026): 7 Easy Methods

By Urbanemirates Team

Updated reguarly with officeal sources

Key Takeways

Forgot your DU number in UAE? The fastest way to find it is to dial *116# from your DU SIM and press call — your mobile number appears on screen instantly, no internet or balance needed.

Whether you just got a new SIM, switched phones, or simply cannot remember your number, this guide covers 7 reliable methods to check your DU number in seconds — for both prepaid and postpaid users.

DU Number Check — All Methods at a Glance

Method 1: Dial *116# — Fastest & Most Reliable

This is the go-to method for most DU users. It works instantly on any DU SIM — prepaid or postpaid — with no internet and no balance required.

  1. Open your phone dial pad
  2. Dial *116# and press the call button
  3. Your DU mobile number appears on screen within seconds

Pro Tip: Save your DU number in your contacts immediately after checking so you never need to look it up again.

Method 2: Send SMS to 1355

Prefer a text? DU offers two SMS options to retrieve your number — both are free and work without internet:

Both SMS methods are free and work even with zero credit balance. You will receive an automated reply within seconds.

Method 3: Check DU Number in the DU App

If you have internet access, the DU app displays your number clearly on the home dashboard — along with your account type, balance and active plans.

  1. Download the DU app from App Store or Google Play
  2. Log in using your Emirates ID or DU credentials
  3. Your mobile number is displayed at the top of the home screen

This is the most complete method — useful if you also want to check your balance, data usage or active subscriptions at the same time.

Method 4: Check via Phone Settings

Most smartphones store the SIM number in the device settings. This method requires no codes or apps:

For Android

  1. Go to Settings
  2. Tap About Phone or About Device
  3. Select Status or SIM Status
  4. Look for My Phone Number or SIM Number

For iPhone

  1. Open Settings
  2. Tap Phone
  3. Select My Number
  4. Your DU number appears at the top

Note: This method only works if your number was saved on the SIM card when it was issued. Some DU SIMs may not have this pre-saved. If the field is blank, use *116# instead.

Method 5: Check via WhatsApp

If your DU number is registered on WhatsApp, you can find it directly in the app — no codes needed:

  1. Open WhatsApp
  2. Tap the three dots (menu) or go to Settings
  3. Tap your profile name or photo
  4. Your DU number is displayed under your profile

This is a handy quick check if you already have WhatsApp open and do not want to leave the app.

Method 6: Call a Friend or Contact

The simplest method of all — and it requires zero setup:

  1. Use your DU SIM to call or send a text to any contact
  2. Your DU number will appear on their screen as the caller or sender
  3. Ask them to read your number back to you

Works instantly, requires no internet, no app and no codes. Perfect when you are in a hurry or have a second phone nearby.

Method 7: Call DU Customer Care (155)

If none of the above methods work — for example if your SIM is inactive or USSD codes are failing — contact DU directly:

  1. Dial 155 from your DU SIM (free)
  2. Or call +971 4 390 0155 from another network
  3. Follow the IVR instructions or speak to a live agent
  4. Request your mobile number and verify your identity if asked

DU customer support is available 24/7. Have your Emirates ID ready for identity verification.

What Does a DU Number Look Like?

DU mobile numbers in UAE are 8 digits long after the country code. Common DU prefixes include:

Note: Prefixes 050, 055 and 056 can belong to either DU or Etisalat. Dial *116# to confirm which network your SIM is on.

DU Number Check Not Working? (Troubleshooting)

No network signal: Move to better coverage and try again.

Incorrect code: Double-check you dialled *116# correctly.

SIM inactive or suspended: DU suspends SIMs after 90 days without recharge. Visit a DU store with your Emirates ID to reactivate.

Roaming issues: USSD codes may not work outside UAE. Use the DU app on Wi-Fi or SMS method instead.

Dual SIM phone: Make sure your DU SIM is selected as the active calling SIM before dialling *116#.

iPhone Wi-Fi issue: Some iPhones have trouble with USSD when connected to Wi-Fi. Try disabling Wi-Fi and dialling again.

Related Guides on Urban Emirates

  • How to Check DU Balance in UAE — Complete 2026 Guide
  • DU Prepaid Data Plans UAE — All Options & Codes
  • DU Unlimited Data for 1 Day — Price, Code & Options
  • Etisalat vs DU: Which SIM is Better in UAE?

Frequently Asked Questions

What is the DU number check code?

Dial *116# from your DU SIM. Your mobile number appears on screen instantly — no internet or balance required.

Is checking your DU number free?

Yes. Dialling *116#, sending SMS to 1355, and using the DU app are all completely free.

Can I check my DU number without internet?

Yes. Dial *116# or send NUMBER to 1355 — both work without internet or balance.

Can I check my DU number while roaming?

USSD codes may not work outside UAE. Use the DU app on Wi-Fi or the SMS method to 1355 instead.

How do I check my DU number for a postpaid SIM?

All 7 methods in this guide work for postpaid users. The fastest is *116# or the DU app dashboard.

What if my DU number does not appear in phone settings?

Some SIM cards do not have the number pre-saved. In that case, use *116# or send NUMBER to 1355 for an instant result.

How can I see all SIM numbers registered under my Emirates ID?

Log into the TDRA Hesabati portal using your UAE Pass to see all mobile numbers registered to your Emirates ID across all UAE operators.

Final Summary

The fastest way to check your DU number in UAE is by dialling *116# — free, instant, and works on any DU SIM without internet or balance.

If that does not work, the SMS method (send NUMBER to 1355) is the next best option. For full account management and number confirmation, the DU app is the most reliable tool available.

Once you find your number — save it. Add it to your contacts, screenshot it, or note it somewhere safe so you never have to look it up again.

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    Written By Urban Emirates Team

    The Urban Emirates Team is dedicated to creating clear, practical, and easy-to-understand guides for life in the UAE. Our team researches telecom services, internet plans, visas, transport, and everyday UAE topics to help residents, expats, and visitors make informed decisions with confidence. We focus on providing accurate, regularly updated information, smart tools, and helpful resources designed to simplify everyday life in the UAE.

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