Call barring settings are usually found within the Phone app > Settings > Supplementary Services > Call Barring on Android, but can vary by phone model and carrier, sometimes appearing under different names like "More" or requiring you to enter a PIN (often 0000) to manage options for blocking incoming, outgoing, or international calls. You can also use specific dialer codes (like *33*PIN# for all outgoing calls) for quick activation/deactivation.
Press Settings. Press Supplementary services. Press Call barring below the required SIM. Press the required barring type to turn the function on or off.
How to block every incoming call. incoming calls to your line: *35*0000#.
What is call barring? Call barring restricts your service from making and receiving calls, or sending and receiving text messages. Your service may be barred for account related reasons, such as an unpaid bill or high unbilled charges.
Unblock calls from unknown numbers
Unblock a number
Dialing *77 on your phone activates Anonymous Call Rejection, blocking incoming calls from private or blocked numbers, making anonymous callers hear a message to hang up and try again. It's a landline/VoIP feature (like AT&T, CenturyLink) to stop spam/prank calls but can sometimes vary by carrier or state, potentially connecting to emergency services (like *87 to turn it off).
Use *21*190#Yes to enable call barring and #21#or #31#Yes to disable it..
How to unblock a number on Android
🔐📞 ##002# instantly cancels all call forwarding on your phone — busy, unreachable, or no-answer. It's a simple way to reset settings and protect your privacy.
Most smartphones, including Android and iPhone, come with built-in support for this feature, which can be activated using your call barring code (usually 0000 by default) through the phone settings or via your network operator.
Dial **62*0722199199# to activate #MissedCallAlert and know who tried calling you when your phone was switched off. Callers can also leave you a recorded message. Call 132 to retrieve any messages left by your callers.
Call barring is a telecommunication feature that enables users to block specific types of incoming and outgoing calls on their mobile devices. This function is particularly useful when you want to prevent unwanted calls, restrict outgoing calls for security reasons, or manage your call expenses.
*35*0000# : Activate incoming call barring. *331*0000# : Bar all international calls. *35*0000*16# : Bar all incoming SMS. *330*0000# : Deactivate all types of barring.
Typing *#0*# (star-hash-zero-star-hash) into the phone dialer on a Samsung device opens a hidden General Test Mode, a secret diagnostic menu used for checking hardware components like the screen (touch, color), sensors, speakers, cameras, and vibration. It's a valuable tool for users to self-diagnose issues or verify a device's functionality, especially when buying a used phone, as it allows you to test functions like touch responsiveness, RGB colors, and sensor accuracy.
*Code #62#: This code tells you where your calls are going when you're unreachable 📴 (like if your phone is off or has no signal). If the call forwarding is set to a number you don't recognize, it could mean someone is tampering with your phone's settings 🔍. How Could Someone Use Call Forwarding to Track You?
To turn off call barring in Android, follow the following steps:
First, open the dialler on your phone. Dial #401 and press the call button. This code is often used to deactivate call forwarding in specific regions or by certain providers. If this method does not work, check with your service provider for the correct code or alternative methods.
Preventing Accidental Dialling: Outgoing call barring helps prevent accidental dialling, ensuring that you don't make unintended calls that may result in additional charges. Cost Control: By blocking premium-rate or international calls, call barring helps you manage your phone bill and avoid unexpected expenses.
What is the *#21# code used for? The *#21# code checks the status of unconditional call forwarding. Dialling this code will display whether your calls are being forwarded to another number unconditionally, meaning all incoming calls are being redirected regardless of the condition.
This Vertical Service Code, *82, enables calling line identification regardless of subscriber preference, dialed to unblock withheld numbers (private callers) in the U.S. on a per-call basis.
When you dial \*67 before a phone number, it blocks your caller ID for that single call, making your number appear as "Private," "Blocked," or "Unknown" to the recipient, allowing for temporary anonymity. This works on most landlines and cell phones but doesn't work for toll-free numbers (like 800) or emergency services (like 911).
Call trace allows you to dial the code *57 to trace the phone number of a call that was received. This service is used to trace harassing calls which warrant law enforcement or legal action. If you do not intend to take legal action, then an alternative is to use Call Return with *69.