Call return (*69) automatically dials your last incoming call, whether the call was answered, unanswered or busy.
*69 - Call Return: Redials the last number that called you. *70 - Call Waiting: Places your call on hold so you can answer another. *72 - Call Forwarding: Forward your call to another phone number.
You have the option to block Caller ID either temporarily or permanently. To block your number from being displayed temporarily for a specific call: Enter *67. Enter the number you wish to call (including area code).
Common “star codes”
*67 - Block phone number on Caller ID systems. *69 - Redial the last number that called you. *70 - Places your call on hold so you can answer another.
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.
*82 - Unblocks Caller ID on one outbound call
This star code will unblock your caller ID for a single outgoing call if you have previously used *61 to block caller ID for all outbound calls.
If someone has phoned your landline, you can dial *69 to call them back. It works the same way on your mobile device, but you need to dial #69 instead. This isn't entirely foolproof – some service providers will only let you call a private number back within 30 minutes of the call.
Call a Private Number for Free With *69
Following the FCC mandate to allow private calling, telephone companies created a service called Last Call Return that automatically calls the last number that called your phone, whether or not the call was private.
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.
Hide Caller ID: *31#
The caller might have hidden the ID intentionally or sometimes it can be accidental. If you want to hide the caller ID dial *31# and press call button.
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!
How to Use *67 on an Android or iPhone. You can prevent your number from appearing on a recipient's phone or caller ID device when you place a call using a smartphone or a traditional landline by pressing *67 followed by the number you want to call.
The first one is *69, which traces the number of the last person who called you. It works even for anonymous or hidden calls, so you can get the phone number and the exact time they called.
United States and Canada: Vertical service code *69; 1169 on rotary phone/pulse dial telephones. The prompt voice behind most U.S. AT&T implementations of this feature is Pat Fleet. Where available, it is offered on a per-call charge (typically 50¢) or an unlimited-use monthly subscription for a few dollars.
Does * 69 still work? However, if the caller dialed *67 before making that call, it blocks caller ID, so *69 won't work. The calling and calling the number, however, will be trapped by the telephone company, along with the *69, *67. So, it stays in the company's records, just won't work dialing.
Technology: Does dialing *69 work on cell phones? Yes, *69 works on cell phones as well as landline phones. Dialing *69 will automatically call back the last number that called you.
Dialing this before a number basically hides their number from the person they're calling, and prevents anyone from calling them back. *69 allows you to find out who called your phone last… unless it was blocked with *67. You cannot *69 a blocked number.
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.
Can I block a specific caller even if I don't know their phone number? (*97) Yes, Call Blocking can be used to prevent incoming calls from the last caller. For example, if a telemarketer calls and you want to block them from calling again, the *97 feature lets you do this without requiring the phone number.
Speed Dialing
Establish a short list of up to eight numbers, or a longer list of up to 30 numbers. To program your Speed Calling 8 list, dial *74. Listen for the dialtone, then dial the one-digit number (2 through 9) you would like to use to dial a frequently called 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.
Dial *67 before the number you want to call. The receiver will not be able to see your phone number, and will see "No Caller ID," "Private," or "Blocked."
“The simplest way to tell if you have been blocked by an Android user is to call,” Lavelle says. Just like with an iPhone, listen for it to be diverted to voicemail or play you a pre-recorded message.