Ussd Code To Block All Incoming Calls Android [updated] Guide

If you are looking for a quick, dialer-based solution to stop your phone from ringing, you are likely searching for a "magic code." While Android has robust built-in settings for call blocking, USSD codes provide a faster, carrier-based alternative that works on almost any device—new or old.

Be cautious when searching for USSD codes online. Never dial a code that includes random symbols or instructions to "forward calls" to another number (codes starting with *21*... ) unless you explicitly trust the source. Malicious call forwarding can be used to hijack OTPs (One Time Passwords) for banking apps. Stick to the standard *35 codes listed above for safety. ussd code to block all incoming calls android