With the mobile three customer zone, you have your costs firmly under control.

As a mobile customer of three you have with this app your customer zone everywhere and thus your costs firmly under control. You will immediately see the consumption of your included free allowances, the current cost status and also invoices and individual call lists of the last months.

In the customer zone, you can also find information about your contract and can make service settings. Your customer password protects sensitive data, e.g. See and manage all your phone numbers in your contract account. In addition, you can optimize your tariff by activating additional packages. Use the three guardian angels, you get here any time additional quantities.

The functions in detail:

See previously incurred costs of the current billing cycle

See remaining free units (minutes, SMS, data volume) in the current billing cycle

Call up the latest invoices and individual call lists

Deposit open bills

Charge prepaid credit online

Management of all phone numbers of the contractor

Contract information of all phone numbers in the contract account

Block phone number in case of theft / loss

Set call forwarding

Tariff details and legal texts

Change tariffs

PIN and PUK queries

Activate contract transfer

Request a new device or credit (loyalty bonus)

Block / unlock high-value numbers

Set parental control lock

Make roaming settings

Buy additional packages and additional quantities

Information about activated additional packages

Change billing address / contract address

Change invoice email address, change contact email address

Install number

Activate eSIM

Three box administration

Optimize login to your own needs

See personal offers

The app is suitable for smartphones and tablets.

The customer zone is also accessible via the browser www.drei.at/kundenzone.

If you are in the network of three, you will be recognized as a customer and come without logging into your customer zone. Nevertheless, we recommend registering under "My Profile". The advantage of this is that you have access to the customer zone worldwide on any device with Internet access - which is important for an immediate telephone number lock in the event of theft.