The code *80 on a landline or VoIP phone is typically a vertical service code used to disable call blocking. This allows calls from numbers that were previously blocked to come through.
Call Retrieve Used to retrieve a parked call. Enter *88 followed by the extension that call is parked against. If the call is parked against your own extension, press the # key.
*64 | All Other Callers: Block
All other calls (not otherwise specified in Call Handling settings) will be blocked.
Auto Redial is a service that dials a number that is busy for up to 30 minutes and alerts you with a distinctive ring when the line is no longer busy. To activate Auto Redial, press *66 (1166 from a rotary phone).
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.
Dialing *77 activates Anonymous Call Rejection, blocking incoming calls from private or blocked numbers on landlines and some mobile services, making anonymous callers hear a message that you don't accept their calls. To turn it off, dial *87, and remember that this feature only blocks intentionally hidden numbers, not calls marked as "Unavailable" or "Out of Area," and can sometimes route to emergency services in certain areas or for specific carriers, so check with your provider.
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. If prompted, press 3 to turn the feature on.
*97 Pick up a call for another user in the same group.
Dial *#62# to check if your voice or messages are being forwarded. Then dial ##62# to cancel #reject #TechSavvy #changeisgood.
Dialing *68 will disable the Caller ID for the next outbound / external call only. Selecting a line and dialing this feature code will result in a prompt on the phone display as well as an audible message: "Caller ID is BLOCKED for the next outbound call only." We hope you find this new feature code useful!
On a phone, especially a landline or VoIP service, *98 is a common "star code" used to access your voicemail box to listen to messages, often requiring a password or PIN, and it works with providers like Bell and AT&T. You simply dial *98 from your phone, and after the dial tone, enter your voicemail password when prompted to manage your messages.
Call Waiting: 43 (Various Combinations)
I reactivated the voice call waiting specifically with *#43#, and confirmed it in the iPhone's Settings > Phone > Call Waiting menu. It should be the same code for T-Mobile. On Verizon, using *43 will deactivate call forwarding, not call waiting; *42 will turn it back on.
Call forwarding is disabled by dialing *73. This feature requires a subscription from the telephone company. Also available in some areas is Remote Access to call forwarding, which permit the control over call forwarding from telephones other than the subscriber's telephone.
No. 1- *#9900# If you dial this code on your keypad, a window will open where you can click on 'Delete dumpstate/ logcat' to remove all junk files from your phone, making it a bit faster!
The code *#61# is a feature in mobile networks that allows you to check the status of call forwarding when your phone is unreachable or busy.
Quick Tip: Test Your Samsung Phone with *#0*# Before buying a Samsung phone, use the code *#0*# to check its hardware! This secret menu lets you test the screen, buttons, speakers, sensors, and more. It's a quick way to ensure everything works perfectly and avoid issues later.
The code to disable call forwarding or app settings in your device is: - Open Phone app > Settings > Call Forwarding > Tap "Disable" or "Turn Off". - ##002# – universal all-disable. Use the relevant call forwarding check code after disabling (such as *#21#) to confirm status.
Code to check if phone is tapped: *#21# Code to show unknown connections and tracking (for Android): *#*#4636#*#* or *#*#197328640#*#* Code to show unknown connections and if someone is tracing you (for iPhone): *3001#12345#* Code to find your phone if lost or stolen (for Android): *#*#1472365#*#*
Dialing *#21# on your phone uses a USSD code to check the status of your unconditional call forwarding, revealing if all your calls, data, or texts are being redirected to another number without your knowledge, which can happen if someone accesses your settings. It's not a definitive hack detector, but it quickly shows if a carrier-level setting is diverting your communications, potentially to intercept sensitive information like 2FA codes, and can be disabled with ##21#.
Dialing *77 activates Anonymous Call Rejection, blocking incoming calls from private or blocked numbers on landlines and some mobile services, making anonymous callers hear a message that you don't accept their calls. To turn it off, dial *87, and remember that this feature only blocks intentionally hidden numbers, not calls marked as "Unavailable" or "Out of Area," and can sometimes route to emergency services in certain areas or for specific carriers, so check with your provider.
How to figure out a no caller ID number. You can uncover an unknown caller ID by using the *69 or *57 feature codes, third-party apps, or by contacting your phone service provider. Unknown callers could be hiding their identity to try and scam you, so it's important to check them before you fall victim.
971 is the country calling code assigned to the United Arab Emirates by the International Telecommunication Union. All of the country's telephone numbers are also designated by the Telecommunications Regulatory Authority of the United Arab Emirates Government.
The person you blocked will not realize you blocked them when they try to call you. On their end, they'll hear the phone ring a few times. Then, their call will go straight to voicemail.
Some international numbers have a plus sign before the country code (63 for the Philippines). This (+) simply means that when dialling this number internationally, the country exit code needs to be used. In some cases, you can dial “+” on a cell or simply replace the plus sign with the US exit code - 011.
Within Australia, mobile phone numbers begin with 04 – the Australian national trunk code 0, plus the mobile indicator 4 – followed by eight digits. This is generally written as 04XX XXX XXX within Australia, or as +61 4XX XXX XXX for an international audience.