Congstar: Find out customer number
If you want to change your tariff or contract with Congstar, you need the customer number, among other things. If you have forgotten this, there are various ways you can find out the customer number. We'll show you what these are in this practical tip.
Obtain a customer number from Congstar via email
- In almost every email - if it is not advertising - that Congstar sends you, your customer number is also written.
- It is usually at the beginning or in small letters at the end of the email.
- You will also find the customer number in the invoices sent to you by Congstar.
Find out the Congstar customer number via the support chat
If you no longer have any emails from Congstar or cannot find a customer number there, you can also contact support.
- To do this, visit the website of Congstar-Forum.de in your browser.
- At the top and in the middle of the banner you will find a speech bubble with the inscription "Live Service Chat". This can be reached daily from 8 a.m. to 10 p.m.
- If you click on this, a new window opens. You may have to allow a pop-up.
- Now you can choose a chat name and a topic, such as "tariffs" - only the topic "DSL" is inappropriate here.
- You may then be put on hold until an employee has time for you.
- Make sure you have your SIM card number ready. You can find this on the back of your SIM card.
- Your customer number will then be communicated to you.
Ask the Congstar hotline for customer number
You can also contact the Congstar hotline to request your customer number.
- You can reach the Congstar hotline on 01806 32 44 44.
- This is there for you from Monday to Friday from 8 a.m. to 10 p.m.
- A call from the German landline costs 20 cents and from the mobile network 60 cents.
