Is number portability free in Switzerland?

Yes. Number portability has been free in Switzerland since the year 2000 under the Telecommunications Act. Neither the old nor the new provider may charge a fee for it.

Can I switch from prepaid to a contract plan and keep my number?

Yes, number portability works in any direction: prepaid to contract, contract to contract, contract to prepaid. The procedure is always the same.

Port your mobile number: how to switch provider

Switching provider in Switzerland is easy and free. Number portability takes 1 to 3 working days. Your existing number stays the same.

5 steps to your new provider

📱 Pick a new plan

Choose the right plan with the new provider and order it online or in store.

📝 Fill in the porting request

The new provider provides a form. Enter your existing number and personal details.

⚠️ DO NOT cancel with the old provider!

The new provider does that automatically. If you cancel yourself, you risk losing your number.

💳 Activate the SIM card

The new SIM arrives by post. Activate it online or via your new provider's app.

✅ Done, your number is live on the new plan

The cutover takes 1 to 2 hours at most. After that you're on the new provider.

⚠️ Important notes

Do NOT cancel with the old provider beforehand, otherwise you'll lose your number!
The new provider handles the cancellation automatically
During the port you stay reachable (max. 1 to 2 hours of interruption)
Free since the year 2000 (Telecommunications Act)

How long does porting take?

Prepaid → Plan

1 to 3 working days

Plan → Plan

1 to 3 working days

Mind the notice period!

Plan with contract

At contract end

Unless special right of cancellation

Notice periods of the largest providers

Provider	Contract term	Notice period
Swisscom	24 months	60 days
Sunrise	24 months	60 days
Salt	No contract (online)	30 days
Wingo	No contract	Monthly
Digital Republic	No contract	Monthly
GoMo	No contract	Monthly

Why switch? The cheapest plans

Paying too much? These three providers offer unlimited plans at the best price:

Cheapest plan

Digital Republic Flat Swiss

☀️ Sunrise network · 5G · Unlimited · No contract

CHF 13/mo.

Visit provider →

GoMo Unlimited

🧂 Salt network · 5G · Unlimited · No contract

CHF 14.95/mo.

Visit provider →

Wingo Swiss Start

🔵 Swisscom network · No contract

CHF 17.95/mo.

Visit provider →

FAQs about number portability

Yes. Number portability has been free under the Telecommunications Act since the year 2000. Neither the old nor the new provider may charge a fee for it.

Porting usually takes 1 to 3 working days. During the cutover you are unreachable for 1 to 2 hours at most.

No! In fact you must NOT cancel yourself. The new provider handles the cancellation automatically as part of the porting request. If you cancel beforehand, you may lose your number.

Yes, number portability works in any direction: prepaid to plan, plan to plan, plan to prepaid. The procedure is always the same.

If you have an active contract (e.g. 24 months with Swisscom or Sunrise), the port can happen at the earliest at the end of the contract. Exception: if the provider raises prices, you have a special right of cancellation and can switch immediately.

Port your mobile number: how to switch provider

5 steps to your new provider

📱 Pick a new plan

📝 Fill in the porting request

⚠️ DO NOT cancel with the old provider!

💳 Activate the SIM card

✅ Done, your number is live on the new plan

⚠️ Important notes

How long does porting take?

Notice periods of the largest providers

Why switch? The cheapest plans

FAQs about number portability

Further reading