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🇳🇴 Norway Number Porting Guide

A guide for porting your Norwegian numbers to CloudTalk

V
Written by Valeriia Volobrinskaia
Updated this week

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

+47-2 - Oslo
+47-32 - Buskerud and Jan Mayen
+47-33 - Vestfold
+47-35 - Telemark
+47-37 - Aust-Agder
+47-38 - Vest-Agder
+47-5 - South-western counties, including Bergen
+47-6 - South-eastern counties and Oppland
+47-7 - Møre og Romsdal, Trøndelag (Trondheim) and northern Norway
+47-79 - Svalbard

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

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 Template is added as a .zip at the end of 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

✅ All Number Types (Local, National, Toll-Free)

  • 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)


Porting Process Overview

  1. Submit Your Porting Request
    Send your request to the CloudTalk Porting Team to begin the process.

  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.


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 provider before submitting LOA

Inactive Number

Number has been deactivated or is no longer valid

Ask your provider to reactivate the number

Outdated Invoice

Invoice 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:

Have more porting questions? Contact our Porting team. We're always happy to help!

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