Number 1*#61# — Call Forwarding When Unanswered With the *#61# settings interrogation code, you can see if calls are being forwarded to another number whenever they go unanswered.
61 to divert calls not answered after 15 seconds. 62 to divert calls when your phone is switched off. 67 to divert calls when your phone is engaged.
For example, **61*07123456789#. Once you receive the set-up confirmation message, restart your phone. To confirm the setup is correct, dial *#61#. To divert incoming calls when your phone is off, dial **62* followed by the number you are diverting the calls to, then put #.
*#62# - With this, you can know if any of your calls - voice, data, fax, SMS etc, has been forwarded or diverted without your knowledge.
*#*#4636#*#* Displays information about the phone, battery, and various network statistics.
If your phone is on a CDMA network like Verizon or US Cellular, dialing the code *72 will tell you whether any of your calls or data are being forwarded to another number. Dial *#002# to uncover this kind of phone tapping on GSM networks.
What does dialing *#21# actually do? When you dial *#21#, you are, in fact, activating a feature access code that quickly tells you the status of call forwarding for your phone. It's a quick way of seeing what, in the case of this particular 'setting interrogation code,' your call forwarding settings.
*31# (Disable Caller ID)
If you want to keep your privacy and prevent others from knowing when you call them, you can disable caller ID by using this code.
Here's how to activate Call Trace: Hang up the phone after receiving a harassing call. Pick up the phone and press *57 (touch tone) or 1157 (rotary). You'll hear a confirmation tone and message will be heard If the trace is successful.
The next time you receive a call from a number you wish to block, end the call and dial *97. The number will automatically be added to your Selective Call Rejection list. You can block up to 100 numbers.
Block calls from your phone
You can: Press *61 to add the number of the last call received to your call block list. Press *80 to turn call blocking off. Press *60 to turn call blocking back on.
Call services
Change call forwarding delay time. Choose a 5, 10, 15, up to a 30-second delay. For example, dialing **61*18056377243**10# would be a 10-second delay.
Call “##004#”
No one will answer when you call it, but it will turn off conditional forwarding on your phone. It will reset your phone to its default phone settings.
The user can activate call forwarding while the calls are unanswered by dialling **61*<Mobile Number>. To deactivate this, dial ##61#.
First of all, if you see a persistent notification on your Android notification shade saying “Forwarding all calls” or something related, that means you or someone has activated call divert on your phone.
Call return (*69) automatically dials your last incoming call, whether the call was answered, unanswered or busy. Call within 30 minutes, during which you can still make and receive calls. To deactivate while waiting for the party you are trying to reach to become available, dial *89.
Call Block, otherwise known as Call Screening, is a feature that allows you to block calls from up to 10 phone numbers within your local calling area for a low monthly rate. Turn on: Press *60.
Safaricom PLC on Twitter: "@Tirey_K Hi, to bar All Incoming Calls; Activate barring *33*0000#ok, Deactivate barring #33*0000#ok ^PK" / Twitter.
The Police often use this number for identification, so just press this combination to know what unique number your phone has, you never know when you will need it. #2 NUMBER IDENTIFICATION: The code *#30# will help you turn your number identification on or off.
For a Google Pixel, dial *#06# on your phone's keyboard to get the IMEI number. For phones with a removable battery, some IMEI numbers are listed on a sticker under the battery on the back of the phone.
Use *67 to hide your phone number
On a per-call basis, you can't beat *67 at hiding your number. This trick works for smartphones and landlines. Open your phone's keypad and dial * - 6 - 7, followed by the number you're trying to call.
Trick 3: Think of a number
Subtract 3 with the result. Divide the result by 2. Subtract the number with the first number started with. The answer will always be 3.