This guide outlines the supported number types, required documents, hosting rules, and porting timelines for Norwegian numbers.
Initial Overview
1. Supported Number Types
Number Type | Format Example |
Geographic (Local) | e.g., +47 21, +47 23 |
National | e.g., 85 xxx xxx |
Toll-Free | e.g., 800 xxx xx |
⚠️ Mobile numbers (+47 4xx or +47 9xx) are not portable to VoIP operators.
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 | Price |
Local | ~17 business days | €30.00 per request, €5.00 per number |
National | ~17 business days | €30.00 per request, €5.00 per number |
Toll-Free | ~17 business days | €30.00 per request, €5.00 per number |
⚠️ Timelines may vary if submitted details do not match your current provider’s records.
Required Documents for Number Porting
Signed LOA (completed and signed by an authorized representative; details must match provider records)
Recent invoice (issued within the last 30 days; must show number(s) and account holder name)
Compliance Requirement for Hosting
Business registration certificate
Must be issued or updated within the last 12 months
Must show a valid address in Norway
Issued by the Brønnøysund Register Center (official government registry of legal entities in Norway)
Norwegian Government-issued ID or Norwegian Passport of someone shown on the business registration. If the ID holder is not shown, then a Power of Attorney is needed.
Porting Process Overview
Submit Your Porting Request
Submit your request in the CloudTalk Dashboard under Numbers > Port existing number.
Initial Review
Cloudtalk team will 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 | Explanation | How to Fix |
Missing Registration | Business registration not submitted or expired | Submit updated certificate from Brønnøysund Register Center |
Mismatched Info | Invoice or LOA details do not match provider records | Confirm your data with the provider before submitting the LOA |
Inactive Number | Number has been deactivated or is no longer valid | Ask your provider to reactivate the number |
Outdated Invoice | Invoice is older than 30 days | Submit a recent billing document with matching number details |
Number is part of a Range | This number is part of a block of numbers and can't be ported out individually | Ask your current provider if the number can be split into individual numbers so it can be ported away |
On Porting Day
The number will be activated in CloudTalk
Your previous provider will release and deactivate the number
You’ll begin receiving inbound calls through CloudTalk
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!