How to cancel Salt, Swisscom, Yallo and other mobile phone plans correctly
Cancelling a mobile phone contract or switching to a different provider is straightforward – provided you bear a few points in mind. We give you tips on switching providers and show you how you can save on your mobile plan.

26.05.2026

iStock / skynesher
1. Porting phone number: do I still need to cancel if my number is ported?
All Swiss telecom providers offer what is known as mobile phone number porting This allows you to take your old mobile phone number with you to the new provider.
Cancellation with porting
If you want to keep your mobile phone number when cancelling your plan, you just need to let your new provider know that you would like to keep your current number. When you port your number, your new provider will take care of cancelling your old contract and you don’t have to do anything else.
Your new provider will only activate your new plan after your contract’s minimum duration and cancellation period is over. If you are not sure when your contract is due to end, then ask your current provider.
Cancellation without porting
If you don’t port your number, you must cancel your existing contract yourself. You are bound to the minimum contractual term and the notice period stipulated in your current contract.
Comparis tip: Send «info» by text message to 503. Your current provider will then notify you of the next possible cancellation date.
2. Does my mobile phone contract have a minimum term?
Many providers don’t have a minimum term for their standard mobile plans. Sometimes, however, they impose one on special deals. Your contract will state whether there is a minimum term for your mobile plan is stated in your contract. Alternatively, you can also ask your mobile plan provider.
If you cancel before the end of the minimum term, you will usually be charged the monthly fees due until the end of the minimum term in full. When taking out a new mobile plan, the following applies: Ideally, you should take out a mobile plan with no minimum term .
3. What are the conditions for terminating a contract with Swisscom, Sunrise and Salt?
You can end a plan at any time with effect from the end of the notice period. Each provider has its own contractual conditions, such as minimum contract terms and notice periods.
| Salt | Sunrise | Swisscom | |
|---|---|---|---|
| Minimum contract term in months* | 12 months/24 months | 12 months/24 months | 12 months/24 months |
| Notice period | 60 days to the end of the minimum term | 60 days to the end of the minimum term | 60 days to the end of the minimum term |
| Costs if terminated before the end of the minimum term | Total of the monthly payments until the end of the minimum term | Total of the monthly payments until the end of the minimum term | Total monthly payments until the end of the minimum term |
| Cancellation method | By telephone on 0800 780 100 (freephone) / by post | on 0800 100 600 (freephone) / by callback / via chat | By telephone on 0800 40 50 60 (freephone) / by callback / via chat |
* Minimum terms may vary depending on the deal. In particular, for special offers and heavily discounted promotions, it is common for many telecom providers to specify a minimum term.
4. What are the cancellation conditions for Coop Mobile, M-Budget Mobile, VTX, Wingo and Yallo?
Salt, Sunrise and Swisscom operate the mobile network in Switzerland. Other mobile providers, known as mobile virtual network operators (MVNO), use one of these three networks. Below you’ll find a selection of other major mobile providers.
| Coop Mobile | M-Budget Mobile | VTX | Wingo | Yallo | |
|---|---|---|---|---|---|
| Network operator | Swisscom | Swisscom | Salt | Swisscom | Sunrise |
| Minimum contract term in months1 | - | - | 12 months/24 months | - | - |
| Notice period | 60 days’ notice to the end of the month | 60 days’ notice to the end of the month | 30-day notice period | 60 days’ notice to the end of the month | 60 days’ notice to the end of the month |
| Costs in the event of termination before the end of the minimum contract term | - | - |
|
- | - |
| Cancellation method | By telephone on 0800 746 746 (free of charge) / by callback / via contact form / in writing2 | In writing by letter2 | In writing2 | By telephone on 0900 94 93 92 (1.50/min.) / via contact form / in writing2 | By telephone on 0840 00 33 77 (free of charge) / chat |
1 Minimum terms may vary depending on the offer. In particular for special offers and heavily discounted promotions, it is common for many telecom providers to specify a minimum term.
2 Page not available in English
5. Huge savings potential thanks to fierce competition
The mobile phone plan market in Switzerland is saturated. As a result, mobile providers regularly run promotions and special plans to encourage you to switch. The savings potential is considerable. Flat-rate plans are available from as little as 20 francs.
Before you enter into a contract with a new provider, you should carefully review the cancellation terms of your existing provider.
6. How else can I save on my mobile plan?
Are you happy with your current provider but noticed a good deal with another provider? Then you should negotiate. In recent years, many providers have started asking customers who want to cancel to do so by telephone.
This is intended to create an additional hurdle in the cancellation process. Just turn the tables: the call agents are well trained and usually try to stop you from cancelling. Often, they also offer special discounts to you.
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This article was first published on 02.09.2021



