Ministry of Digital Technologies of the Republic of Uzbekistan

If your mobile number was initially registered using a passport or ID card and these documents have since been replaced, there is no longer a need to visit an operator’s office, wait in queues, or spend extra time updating your information.
Now, all mobile operators provide the возможность to update personal data remotely through their official websites in just a few minutes.

How to use the service:
Uztelecom 
Mobiuz
Beeline
Ucell