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This guide explains the supported number types, required documents, and hosting requirements for a successful number port in Hungary.

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Initial Overview

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  1. Supported Number Types

  • Geographic (local) numbers
  • National numbers
⚠️ Mobile numbers are not supported for porting at this time.

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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

You’ll need to submit a signed Letter of Authorization (LOA). If a template is available for this country, it downloads inside the Documents step of your porting request; otherwise we’ll email you the correct template after you submit. Sign it and upload it with your request. (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

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✅ Local Numbers

  • Signed LOA (signed by account holder)
  • Recent invoice (issued within 30 days; must show number(s) and account holder)
  • Hosting requirement: Service address in Hungary matching the number’s area code

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✅ National Numbers

  • Signed LOA (must include number(s), account number, and authorized signature)
  • Recent invoice (shows account ownership)
  • VAT/Tax ID and Company registration certificate

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✅ Toll-Free Numbers

  • Signed LOA
  • Recent Invoice

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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 your CloudTalk account
  • Your previous provider deactivates the number
  • CloudTalk billing begins the same day
Need Help? For more support: Questions about a request you’ve already submitted? Open it under Numbers > Porting requests and click Open conversation.