Managing two or three SIM cards across different phones is where Mobily’s number-check code earns its reputation as the simplest in Saudi Arabia — four characters, no menu, no language prompt to navigate.
Quick answer
Dial *222# from your Mobily line. Your number displays instantly as a flash message — no menus, no follow-up steps.
For anyone juggling multiple SIMs
If you carry a personal Mobily line alongside a work SIM on another operator, it’s easy to lose track of which slot is which. *222# resolves the confusion in one dial rather than digging through phone settings menus that vary by device.
On a dual-SIM phone specifically
Make sure the Mobily SIM is set as your active calling SIM before dialling, or the code may check the wrong line’s number instead.
Mobily app
Your number is also shown on the app’s home screen if you’d rather not dial at all.
Need your balance too? See checking your Mobily balance.
Verified against Mobily’s official support guidance, August 2026.
Step-by-Step Guide
- 1
Open phone dialer
Launch the Phone app. Ensure your Mobily SIM is active and showing signal.
- 2
Dial *222#
Type *222# and press Call. Your Mobily number displays instantly as a flash message — no menus to navigate.
- 3
Save your number
Note down your number or save it in your contacts for future reference.
Alternative Methods
Dial *222# from your phone dialer.
Mobily App > Profile
Login at mobily.com.sa
Troubleshooting
*222# returns an error
Restart your phone and try again. If the issue persists, your SIM may not be fully registered. Visit a Mobily store with your Iqama or national ID.
Number displayed doesn't match the SIM I expected
On dual-SIM phones, make sure the Mobily SIM is selected as the active calling SIM before dialing. Check your phone's SIM management settings.
Look Up More USSD Codes
Frequently Asked Questions
Does checking my number cost anything?
No, completely free on all Mobily account types.
Does *222# work on prepaid and postpaid?
Yes, universally across all Mobily SIM types.
Can I check my number from a WiFi-only tablet?
No, USSD needs cellular voice capability — use the Mobily app instead, or insert the SIM in a phone temporarily.
Why did the wrong number show up on my dual-SIM phone?
Check that the Mobily SIM is set as the active calling SIM in your phone's settings before dialling.
Is *222# really the simplest code in Saudi Arabia?
It's the shortest and returns the number instantly with no menu, which is simpler than STC's language-selection step or Zain's three-code system.