This guide outlines the supported number types, required documents, hosting rules, and porting timelines for Danish numbers.
Initial Overview
1. Supported Number Types
Number Type | Example Prefixes | Notes |
Geographic (Local) Numbers | — | — |
Toll-Free Numbers | +45800 | — |
Mobile Numbers (Voice Only) | +45 22, +45 31, +45 40, +45 42, +45 44, +45 71, +45 91, +45 93 | SMS is not supported; voice calling only |
2. 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.
3. 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.)
4. Timelines & Pricing
Number Type | Estimated Duration | Pricing |
Local | 18 business days | €30.00 per request, €20.00 per number |
Mobile (Voice Only) | 12 business days | €30.00 per request, €15.00 per number |
Toll-Free | 18 business days | €30.00 per request, €15.00 per number |
⚠️ Timelines may vary if submitted details do not match your current provider’s records.
Required Documents for Number Porting
✅ Local (Geographic) Numbers
Signed Letter of Authorization (the template downloads in the Documents step of your porting request)
Latest invoice from your current provider
Other Compliance Requirements
Company name and service address (can be from anywhere in the world)
✅ Mobile Numbers
Only the following mobile area codes are portable:
22, 31, 40, 42, 44, 71, 91, 93
Signed LOA (the template downloads in the Documents step of your porting request)
Latest invoice from your current provider
✅ Toll-Free Numbers
Signed LOA (the template downloads in the Documents step of your porting request)
Latest invoice from your current provider
Porting Process Overview
Submit Your Porting Request
Submit your request in the CloudTalk Dashboard under Numbers > Port existing number.
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 | What It Means | How to Fix It |
Mismatched address | The LOA address doesn’t match the current provider’s records | Confirm the registered address with your current provider |
Incomplete range | The number is part of a range and can’t be ported individually | Ask your provider whether the range can be split |
Inactive number | The number is suspended or inactive | Ask the provider to reactivate the number before porting |
Outdated invoice | Invoice is older than 30 days | Provide a more recent invoice from your current carrier |
On Porting Day
Your number is activated in CloudTalk
Your previous provider deactivates the number
CloudTalk billing begins the same day
Need Help?
For further assistance, please refer to:
Porting Pricing and Coverage - all countries where we offer porting
Country Specific Porting Guides - for our most requested countries
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 always happy to help!