In the U. S. , call *69 or #69 on a touchtone landline or cell phone, or 1169 on a rotary or pulse dial phone. In Australia, dial *10# if you get phone service through Telstra. [1] X Research source If you get service through Optus, dial *69 on a landline. On a cell phone, dial 321 to access your voicemail, press 6 at the end of your voicemail message, then dial # to call the last number back. [2] X Research source In France, the correct number depends on your type of phone or phone service. Try dialing 3131, 3103, or 631. [3] X Research source In Israel, dial *42 to return your last call. [4] X Research source In Japan, dial 136 followed by 1 to hear the number of your last caller. Dial 136 and then 3 to return the call. [5] X Research source In the UK, dial 1471 to hear the last number to call you. Press 3 to return the call.

For example, some phone service providers in the UK allow you to dial the call return service and hear the last number that called you for free, but you must pay a small fee to call the number back.

In some places, using call return may not reveal a hidden or blocked number.

You can also call your phone company to obtain your records. For your protection, you may be asked to provide a password or some other means of verifying your identity before you can receive your records. [6] X Trustworthy Source Federal Communications Commission Independent U. S. government agency responsible for regulating radio, television, and satellite, and phone communications Go to source

If you want to find out who the number belongs to before calling it back, try a reverse phone number lookup service or app. Some popular options include Intelius, Spokeo, and TruthFinder, all of which require a subscription or a fee per lookup.

Some companies use a service called a Call Trap instead. In these cases, the phone company will monitor your phone line for up to 2 weeks. You must keep a log of all the harassing calls to help them determine the source of the problem.

Some companies use a service called a Call Trap instead. In these cases, the phone company will monitor your phone line for up to 2 weeks. You must keep a log of all the harassing calls to help them determine the source of the problem.

Some companies may automatically offer call tracing without you having to sign up for it, but you might still need to pay a one-time fee for using the service. If you’re not sure what your phone company’s policy is for dealing with harassing calls, call their customer service line and ask to speak to someone at the annoyance desk.

After you dial the number, you may hear a message confirming that the call has been traced. However, your phone company won’t share the caller’s number with you. Instead, they will share that info with law enforcement. If the call can’t be traced, you may hear an error message. Keep in mind that this method doesn’t always work. The calls may be harder to trace if they are coming from burner numbers, phone booths, or numbers outside your phone provider’s service area.

After you dial the number, you may hear a message confirming that the call has been traced. However, your phone company won’t share the caller’s number with you. Instead, they will share that info with law enforcement. If the call can’t be traced, you may hear an error message. Keep in mind that this method doesn’t always work. The calls may be harder to trace if they are coming from burner numbers, phone booths, or numbers outside your phone provider’s service area.

After you dial the number, you may hear a message confirming that the call has been traced. However, your phone company won’t share the caller’s number with you. Instead, they will share that info with law enforcement. If the call can’t be traced, you may hear an error message. Keep in mind that this method doesn’t always work. The calls may be harder to trace if they are coming from burner numbers, phone booths, or numbers outside your phone provider’s service area.

For more information, check out the Truecaller website: https://www. truecaller. com/.

To learn more, visit the TrapCall website: https://www. trapcall. com/.