How To Block Incoming Calls Using Ussd Code

To block all incoming calls using a USSD code, dial 350000# on your phone’s dialer. The default call barring password is commonly 0000 unless you have changed it. This USSD code will activate the call barring feature, preventing all incoming calls to your line^[4][6][7].

To unblock incoming calls and allow calls again, dial #35*0000# using the same password^[7].

Some operators may have specific USSD codes, such as *717#, to block all incoming calls, so if the codes above do not work, check your carrier’s website or support resources^[2].

Note: Certain networks or devices may require you to set or change the call barring password. Check with your service provider if you encounter any issues during activation or deactivation.

References

• [1] Block All Incoming Calls Using a Secret Code. – YouTube
• [2] How To Block All Incoming Calls? – Vi
• [4] How To Turn On or Off The Call and SMS Blocking Feature in Your …
• [6] how to block ALL phone calls? – Nothing Community
• [7] Call and SMS barring – Bakcell