You can hide your phone number by using a call-by-call code like #31# (or *31#) before the number, changing settings in your phone's call/supplementary settings to hide it by default, or using a third-party app like Google Voice for a separate number, with codes and settings varying slightly by device and carrier, notes the ACMA.
Yes, *69 can work in Australia for Call Return on some networks like Optus, but Telstra uses *10# for a similar service, and it often involves per-use charges; however, mobile networks often store caller ID, making landline-style codes less universal, with features depending on your specific provider and service plan.
Method 1: Dial *67 for One-Time Number Blocking
This simple trick works on both mobile phones and landlines. If you just need privacy for one call, *67 gets the job done quickly.
Use *67 to hide your phone number
The easiest way to hide your number when calling on your Android phone is to enter *67 on your keypad before typing in the area code and phone number. If you do this, your number will show up on the phone you're calling as “Private” or “Blocked”.
The simple answer is yes. But to send an anonymous text, you'll need to use a third-party service, whether it's a VoIP service, an app or a website. When you send a text normally, the message is sent in one or more digital “packets,” along with information about the number it was sent from and to.
You can send an anonymous text message using Hushed. Hushed makes it easy to send an anonymous text message and protect your privacy, surprise a friend, or keep your communications organized. Unlike your primary, personal phone number, a Hushed online number keeps you completely private (hello anonymous texting).
Here's how to do it:
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.
To temporarily block caller ID on a call-by-call basis, dial 1831 (or #31# from a mobile) then dial the number you are calling.
What is BT 1471? BT 1471 tells you the last number that called - unless the caller withheld their number by dialling '141' before dialling your number, or the call came from a switchboard extension number. 1471 Call Return also lets you return the call straight away, by pressing '3'.
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.
If you want to stop phone tracking, you can change your phone settings, switch to a private browser, configure your app permissions more carefully, or use a VPN.
Can 67 Be Traced? Yes, *67 only hides your number from the person you're calling but doesn't make you completely anonymous. Phone companies and authorities can still trace the call if necessary. It only provides privacy on the recipient's caller ID, not complete anonymity.
9-1-1. 911 is the emergency telephone number used in other countries such as the United States and Canada. This number should not be used in an emergency in Australia. If dialled within Australia, this number will not re-route emergency calls to Triple Zero (000).
Have you ever noticed that phone numbers in movies and TV shows often start with 555? That's because the 555 exchange is reserved—real customers are never assigned these numbers. If you receive a call from a 555 number, it's a scam.
Global communications platform, Truecaller has launched Truecaller Assistant in Australia. It uses proprietary machine learning technology to serve as a customizable “digital receptionist” that gives users a live transcription of what a caller is saying, so they can decide whether to answer or ignore the 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.
Caller ID spoofing is the process of changing the Caller ID to any number other than the actual calling number. Caller ID spoofing happens when a caller knowingly falsifies the info transmitted to disguise the number they're calling from.
Hide your Caller ID
You can prevent your Caller ID information from showing on outgoing calls on iPhone. Go to the Settings app on your iPhone. Tap Apps, then tap Phone. Tap Show My Caller ID, then turn it off.
Call trace allows you to dial the code *57 to trace the phone number of a call that was received. This service is used to trace harassing calls which warrant law enforcement or legal action. If you do not intend to take legal action, then an alternative is to use Call Return with *69.
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.
How to block every incoming call. incoming calls to your line: *35*0000#.
For example, TextNow provides a free phone number for texting, while TextFree offers similar functionality, including calling features. These services allow you to send SMS without showing numbers.
Call masking can provide privacy, but it introduces several security risks: Fraud and Scam Risks: Call masking can be exploited for malicious purposes, such as identity theft or phishing attacks. If a masked number mimics a trusted entity, it can deceive victims into disclosing sensitive information.
CoverMe is the best secret texting app trusted by millions for secure texting and Phone Calls. It contributes significantly to sending private messages and calls from a burner phone number.