To block your number from being displayed temporarily for a specific call: Enter *67. Enter the number you wish to call (including area code). Tap Call. The words "Private," "Anonymous," or some other indicator will appear on the recipient's phone instead of your mobile number.
Use *67 to hide your phone number
The free process hides your number, which will show up on the other end as “Private” or “Blocked” when reading on caller ID. You will have to dial *67 each time you want your number blocked.
The number 67 is also associated with love and relationships. If you're looking for love, the number 67 can be a sign that you're about to meet someone special. If you're already in a relationship, the number 67 can be a sign that your relationship is about to enter a new phase.
You might be wondering how this magic trick works. It's surprisingly simple: The moment you dial *67, your phone sends a signal to your provider requesting a caller ID block. From that point forward, your outgoing calls become shrouded in mystery, appearing as "private" or a "blocked number" on the recipient's end.
Star 69 refers to "last-call return," the Calling Feature Vertical service code *69 keyed on a landline telephone set in order to return the call of the last one to ring (in Canada and the United States).
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.
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.
*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.
721 stands for "I Love You", where 7 represents the total number of letters in the period, 2 represents the number of words, and 1 represents the meaning of the word. 721 is a shorthand format commonly used in text instant messages.
The number 831 is a cyber term used to mean "I Love You." Each individual number in 831 has a specific definition: 8 = The total number of letters in the phrase "I Love You." 3 = The total number of words in the phrase "I Love You." 1 = The one meaning of the cyber term 831.
The Number 7 found in love leads to great things in the long run. Think of the greater extent of your relationship and don't be afraid of commitment. Your partner has shown much interest in you and this is the time to let them in on some of your hidden knowledge.
The Service Code *67 has always been used to block delivery of the Caller ID information to the called party. It's a built-in privacy feature in the Switch Network.
The Quick Answer: To hide your number when calling someone, just put *67 before the number you want to call (it's 141 in the UK). Alternatively, permanently change the settings in the Phone app on your device or call up your service provider.
There is no charge for using Per-Call Blocking. Per-Call Blocking is automatically available to you. There is no need to add this feature to your account. For permanent blocking of your Caller ID information, please contact us at 800.288.
To block caller ID for an individual call, dial 1831 (or #31# from a mobile) then the number you are calling.
Key hardware info: *#0*#
When you enter *#0*# into the phone's dialer, the device enters service mode and brings up a diagnostics menu.
*57 is a call tracing service offered by most phone companies. It allows you to easily trace calls made to your phone number. Essentially, *57 records the calling number and other identifying information such as the date and time of the call.
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#*
*66: Busy Call Return
The Busy Call Return service allows you to call a busy line over and over automatically for 30 minutes. When the line becomes free, your phone will notify you with a distinctive ring.
Block calls from your phone
Receive an unwanted call? 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.
Call forwarding is often enabled by dialing *72 followed by the telephone number to which calls should be forwarded. Once someone answers, call forwarding is in effect. If no one answers or the line is busy, the dialing sequence must be repeated to effect call forwarding. Call forwarding is disabled by dialing *73.
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.