This guide outlines the supported number types, required documents, hosting rules, and porting timelines for Swiss numbers.
Supported Number Types
CloudTalk supports porting the following number types in Switzerland:
Local numbers
Toll-free numbers
Ready to Port?
You can submit your request to our porting team using our International Porting Form.
If you have numbers from other countries, check Global Porting coverage for details.
Required Documents for Number Porting
Signed Letter of Authorization (LOA)
Must be signed by the account holder or an authorized representative of your current provider.added as a .zip at the end of this guide
Latest invoice from your current provider
Should show your name, the number(s) being ported, and proof of ownership.
Address Requirement (Local Numbers Only)
To port a local number, you must provide:
An address located within the same area code as the number being ported.
This is a regulatory requirement in Switzerland.
Number Porting Process & Details
Number Type | Estimated Duration | Pricing |
Local | ~17 business days | €30.00 per request, €5.00 per number |
Toll-Free | ~30 business days | €0.00 per request, €45.00 per number |
⚠️ Porting timelines may be delayed if submitted information does not match your current provider's records.
Porting Process Overview
Submit Your Porting Request
Send your request to the CloudTalk Porting Team to begin the process.
Initial Review
Cloudtalk team'll verify number portability and confirm the next steps.
Documentation Collection
Complete and sign the LOA (Letter of Authorization), and provide a recent invoice from your current telecom provider.
Submission to Carrier
CloudTalk submits your request to our partner carrier, who then forwards it to your current provider.
Approval or Rejection
If approved, Cloudtalk team will confirm the porting date (typically 2–4 business days in advance).
If rejected, Cloudtalk team will share the reason and guide you on how to correct and resubmit the request.
Common Rejection Reasons & How to Fix Them
Issue | How to Fix |
Incorrect or mismatched information | Ensure the name and address exactly match your current provider’s records |
Outdated or incomplete invoice | Submit a recent invoice showing clear ownership details and number(s) |
Unsigned or incorrectly signed LOA | Make sure the LOA is signed by the account owner or an authorized representative |
On Porting Day
Your number will switch to CloudTalk on the scheduled date.
Your previous provider will deactivate the number.
CloudTalk billing will begin the same day.
We recommend contacting your old provider to confirm the number has been removed from your billing.
Need Help?
For more guidance, check out:
Or reach out to our Porting Team - we're here to support you every step of the way.