SIM/eSIM
More information about ordering, exchanging, activating or (un)locking your SIM/eSIM.
How can we help you with questions about mobile communications?
Fixed IP address
Everything you need to know about booking, activating and transferring a fixed IP address.
Return
Information on returning your device.
Further related topics
Business Service Portal (BSP)
Order new mobile phone contracts, flexibly adjust options and configure your cloud telephone system individually – all with just a few clicks.
Magenta Business Service Portal (MBSP)
Everything you need to know about MBSP at a glance: manage contracts, access invoices and find information quickly and easily.
Manage contract and customer data
Learn how to manage your contract and customer data.
How to reach us
Telephone contact
You can reach us by telephone at any time.
Contact form
To send us an email, simply use our contact forms.
Chat
The chat service is available Monday to Friday from 8 a.m. to 8 p.m.
