Cancel cell phone contract: The template for all providers

7. November 2025

Pretty mean, actually: While it only takes a few clicks to get a new cell phone contract, canceling your old cell phone plan involves a lot of effort. It's not enough to just give the provider a quick call - a letter of termination is required! Our Termination template helps you get out of any contract.

To avoid any ambiguities and to ensure that the tariff continues to run despite the termination letter, we have adapted our template to all standards and rules so that termination should always be possible.

Cancellation template for all mobile phone providers

Our team has created a termination template that is suitable for all cell phone providers. You can download the template as a Word document or as a Pages document (for Mac OS) and then edit it. All gray colored passages must be changed by you.

Download termination template for Word now (.docx)

Download termination template for Pages now (.pages)

Addresses of mobile phone providers

(Selection of the most popular providers in Austria)

A1

Phone number: 0800 664 100

A1 Telekom Austria AG
PO Box 1001
A-1020 Vienna

T-Mobile

Phone number: 0800 676 661

T-Mobile Austria GmbH
PO Box 676
1031 Vienna

3 Hutchison

Phone number: 0660 303030

Hutchison Three Austria GmbH
PO Box 333
1211 Vienna

HOT

Phone number: 0677 60016770

HoT Telekom and Service GmbH
PO Box 28
1121 Vienna

Tele.ring

Phone number: 0800 650 661

T-Mobile Austria GmbH
Tele.ring service
PO Box 1012
1031 Vienna

bob

Phone number: 0680 600 600

A1 Telekom Austria
bob service
PO Box 0680
1010 Vienna

Alliance Sim

Phone number: 0677 6002 1860

ATK Telekom and Service GmbH
PO Box 1860
1121 Vienna

Red Bull Mobile

Phone number: 0800 664 750

A1 Telekom Austria AG
RedBull Mobile
PO Box 0750
1011 Vienna

yesss!

Phone number: 0820 810 810

A1 Telekom Austria AG
Yesss!
PO Box 99
1211 Vienna

After you have entered the address of your mobile provider, it is important to enter your current phone number and customer number (as in the template). This way, the provider knows which products are to be cancelled.

If you only want to cancel part of the contract (e.g. additional packages), you will need to reword the text slightly. Then not all products will be canceled, but only those that you have specified in the cancellation letter.