This guide outlines the supported number types, required documents, hosting rules, and porting timelines for Belgian numbers.
Supported Number Types
Number Type | Details / Prefixes |
Geographic (Local) Numbers | — |
Toll-Free Numbers | +32800 |
National Numbers | +32 78 |
Mobile Numbers | Supported for porting, but only voice calls are enabled after the port |
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 clearly show your name and the number(s) to be ported.
Address Requirement (Local Numbers Only)
To port a local number, you must also provide:
An address of the end user located within the same area code as the number being ported.
National, mobile, and toll-free numbers do not require an address.
Number Porting Process & Details
Number Type | Estimated Duration | One-Time Porting Fee |
Local | ~12 business days | €30.00 per request, €5.00 per number |
National | ~12 business days | €0.00 per request + €100.00 per number |
Mobile | ~12 business days | €30.00 per request, €40.00 per number |
Toll-Free | ~12 business days | €0.00 per request, €100.00 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 |
Name and address mismatch | Ensure the name and address exactly match your current provider’s records |
Outdated or unclear invoice | Submit a recent invoice that clearly lists the number(s) you’re porting |
Incorrectly signed LOA | Make sure the LOA is signed by an authorized person on the account |
On Porting Day
Your number is activated in CloudTalk on the scheduled port date.
Your previous provider deactivates the number.
CloudTalk billing starts the same day.
We recommend confirming with your old provider that billing has stopped.
Need Help?
Check out:
Or reach out to our Porting Team - we're happy to help!