Cancel congstar — done in just a few minutes
End your congstar mobile or DSL contract hassle-free. LexiLetter creates your legally compliant cancellation letter in DIN 5008 format with AI assistance. Including digital signature and optional email delivery.
Important Tips
- Note the cancellation period: for mobile contracts usually 3 months before the end of the contract, for prepaid often cancellable monthly
- Request number porting in time if you want to keep your number
- Include your contract number and customer number in the cancellation letter
- For DSL contracts, check for special cancellation rights when moving
Notice Period
congstar contracts generally have a cancellation period of 3 months before the end of the minimum contract term. After the minimum term expires, the contract usually renews for 12 months if not cancelled in time.
Address
congstar GmbH, Bayenwerft 12-14, 50678 Köln
How It Works
Describe
Describe in plain language what you want to write.
AI Creates Your Letter
Our AI generates a professional letter in DIN 5008 format.
Sign & Receive
Sign digitally and receive the finished PDF by email.
Frequently Asked Questions
What is the cancellation period for congstar?
The cancellation period is generally 3 months before the end of the minimum contract term. With prepaid plans, you can often cancel monthly. Check your contract documents for exact deadlines.
Can I port my number to another provider?
Yes, number porting is guaranteed by law. Request the porting from your new provider at least 30 days before the end of your contract. congstar is obliged to release your number.
What happens to my congstar balance after cancellation?
With prepaid contracts, existing credit does not expire immediately. You can request a payout within 3 years after the contract ends. With fixed-term contracts, no remaining amounts are refunded.
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Create congstar cancellation
End your congstar mobile or DSL contract hassle-free. LexiLetter creates your legally compliant cancellation letter in DIN 5008 format with AI assistance. Including digital signature and optional email delivery.
Create congstar cancellation