This guide outlines the supported number types, required documents, hosting rules, and porting timelines for Belgian numbers.
Initial Overview
1. Supported Number Types
Number Type | Details / Prefixes |
Geographic (Local) Numbers | — |
Toll-Free Numbers | +32800 |
National Numbers | +32 78 |
Mobile Numbers | +32 4 - mobile numbers are able to be ported, but only voice/calling. SMS is not possible |
2. Submit Your Request
You can request number porting using the International Porting Form.
Looking to port numbers from other countries? See Global Porting Coverage.
3. Download LOA Template
You’ll need to submit a signed Letter of Authorization (LOA) - LOA Template is added as a .zip
at the end of this guide
(Other document requirements listed below.)
4. Timelines & Pricing
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 |
⚠️ Timelines may vary if submitted details do not match your current provider’s records.
Required Documents for Number Porting
Signed Letter of Authorization (LOA)
Latest invoice from your current provider (showing your name and the number(s) to be ported)
Address Requirement (Local Numbers Only)
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.
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
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Outdated or unclear invoice | Submit a recent invoice that clearly lists the number(s) you’re porting |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!