Check your mobile contract in 1 text — for free
With the SMS 503 service, you can check your mobile contract end date and any early termination fees for free, in just a few seconds.
Not sure when your mobile contract ends? Wondering whether early cancellation fees apply? There’s a simple, fast and completely free solution: the SMS 503 service.
How does it work?
No need to call your operator or dig out your old contract. Here’s the procedure in 3 steps:
Step 1 — Send a text with the word info to 503 from your mobile number.
Step 2 — You’ll receive a confirmation SMS. Reply with your date of birth or identification code (depending on your operator).
Step 3 — You’ll receive a second SMS containing:
- The name of the account holder
- Your contract end date
- Any early termination fees
This service is free for private mobile customers in Switzerland.
Why is this useful?
Whether you’re thinking about switching operators or just want to check your situation, this gives you all the key information in under a minute — no hold music, no hotline, no cost.
And if after checking you’d like to join MaxiConnect, we take care of everything: number porting, cancellation with your current operator, and fast activation.
Ready to switch? Use our mobile number porting form — simple and free.