What does * 77 do on a cell phone?

Reject anonymous calls
Anonymous Call Rejection (*77) stops calls from people that use a blocking feature to keep their name or number from being displayed. When Anonymous Call Rejection is turned on, callers will hear a message telling them to hang up, turn off the blocking feature, and call again.
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Is there a charge for * 77?

There is a simple solution to block robocalls and it's free on your home phone and $1.99 a month on your smartphone. All you need to do is sign up for this service that will block robocalls that you don't want while letting calls that you do want to get through.
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Does Star 77 work on cell phones?

A lot of people have pressed *77 from their cell phones thinking that it can stop unwanted calls, but that's not the case. Pressing *77 won't stop anonymous calls on your cell phone.
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What does * 57 do on a cell phone?

Malicious caller identification, introduced in 1992 as Call Trace, is activated by Vertical service code Star codes *57, and is an upcharge fee subscription service offered by telephone company providers which, when dialed immediately after a malicious call, records meta-data for police follow-up.
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What does * 82 do when dialing a phone number?

You can also use *82 to unblock your number in case your call gets rejected temporarily. Some providers and users will automatically block private numbers, so using this code will help you bypass this filter. Blocking your number can go a long way in stopping annoying robocalls.
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"60 Minutes" shows how easily your phone can be hacked



What does * 63 do on a phone?

Caller Name Blocking

Block your name from appearing on caller ID while your number is displayed as usual. Outgoing calls will be displayed as Private, Anonymous or Unavailable. To activate, dial *63, then the number you wish to call. Your caller ID name will be blocked on the current call only.
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What does * 31 do to your phone?

Hide Your Phone From Caller ID: #31#

I could only get this to work on Android. But entering this code prompted a pop-up stating that my Caller ID had been disabled. In order to re-instate Caller ID, enter *31# .
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What does * 97 do on a phone?

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.
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What is * 62 * phone number?

*#62# - With this, you can know if any of your calls - voice, data, fax, SMS etc, has been forwarded or diverted without your knowledge.
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What does * 78 do on your phone?

When you do not want to be disturbed by incoming calls, you can activate the “Do Not Disturb” feature. All calls will be directed to Voice Mail and you will not hear your phone ring. To activate Do Not Disturb, dial *78.
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How do I use * 77?

When an anonymous caller attempts to call you when this feature is activated, they will hear a message informing them to hang up, remove the call display block and call again. To activate Anonymous Call Reject, dial * 77. To deactivate Anonymous Call Reject, dial * 87.
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What is the code to see if your phone is being tracked?

What is the code to check if your phone is being monitored? Use the code *#21# to see if hackers track your phone with malicious intent. You can also use this code to verify if your calls, messages, or other data are being diverted.
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How do I block unwanted calls on my cell phone?

You can register your numbers on the national Do Not Call list at no cost by calling 1-888-382-1222 (voice) or 1-866-290-4236 (TTY). You must call from the phone number you wish to register. You can also register at add your personal wireless phone number to the national Do-Not-Call list donotcall.gov.
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Does * 77 block spam calls?

Anonymous Call Rejection (*77) stops calls from people that use a blocking feature to keep their name or number from being displayed. When Anonymous Call Rejection is turned on, callers will hear a message telling them to hang up, turn off the blocking feature, and call again.
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What does * 68 do on a phone?

"Caller ID is ENABLED for outbound calls." 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."
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How do I make my number unrecognizable?

Use *67. 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. The free process hides your number, which will show up on the other end as “Private” or “Blocked” when reading on caller ID.
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What does ## 004 do?

Call “##004#”

This number is an internationally recognised code. 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.
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What is the use of * 31?

If you want to hide the caller ID dial *31# and press call button. This code allows you to check which number your phone is currently forwarding calls to when you're busy or reject a call. If you want to deactivate call waiting dial #43#.
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What does ## 002 do to your phone?

##002# - If your voice call or data call, or SMS call has been forwarded, dialling this USSD code will erase them. *#21# - By dialling this USSD code, you would get to know if your calls have been diverted somewhere else or not.
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What does * 85 do?

Unaccepted callers may receive an announcement or be routed to a predetermined directory number. *65 Activation, *85 Deactivation - Calling Number Delivery - Provides the subscriber with the directory number (DN) of the calling party during the ringing cycle.
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What does * 61 * number do?

What is this code * 61 *? Dial *#61# and tap Call to show the number for voice call forwarding when a call is unanswered. Also show the options for data, fax, sms, sync, async, packet access and pad access. Dial *#62# and tap Call is the same as above except for no-service rather than no-answer scenario.
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What does * 73 do on a phone?

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.
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What does *# 0 *# do?

Accessing the Secret Diagnostic Menu

To get the ball rolling, simply open your Samsung's phone app. From there, enter *#0*# using the dial pad, and the phone will immediately go into its secret diagnostic mode. Note that the process is automatic, so there's no need to tap on the green call button to enter the command.
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What does * 60 do on a phone?

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.
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What does * 52 mean on a cell phone?

When calling a Mexican mobile phone or landline from the U.S. or Canada you must enter the "+" sign when using a mobile phone, then the country code for Mexico, which is 52, and then the 10-digit phone number including area code. Dialing from a mobile phone: +52 xx xxxx-xxxx.
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