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This guide outlines the supported number types, required documents, hosting rules, and porting timelines for Belgian numbers.

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Initial Overview

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  1. Supported Number Types

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  1. Submit Your Request

Request porting directly in the CloudTalk Dashboard: open Numbers > Port existing number and follow the guided steps. All supported number types for this country use the same flow, and you can track your request anytime under Numbers > Porting requests.
Looking to port numbers from other countries? See Global Porting Coverage.

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  1. Letter of Authorization

Where an LOA is required, the correct template for this country downloads inside the Documents step of your porting request: download it, sign it, and upload it right there. You no longer need a separate template from this guide. (Other document requirements listed below.)

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  1. Timelines & Pricing

⚠️ Timelines may vary if submitted details do not match your current provider’s records.

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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.

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Porting Process Overview

  1. Submit Your Porting Request
    Submit your request in the CloudTalk Dashboard under Numbers > Port existing number.
  2. Initial Review
    Cloudtalk team’ll verify number portability and confirm the next steps.
  3. Documentation Collection
    Complete and sign the LOA (Letter of Authorization), and provide a recent invoice from your current telecom provider.
  4. Submission to Carrier
    CloudTalk submits your request to our partner carrier, who then forwards it to your current provider.
  5. 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.

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Common Rejection Reasons

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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: Questions about a request you’ve already submitted? Open it under Numbers > Porting requests and click Open conversation. You can also reach our Porting Team by email - we’re happy to help!