Get your own "telefonnummer" in Denmark, starting at just $2.95 for local mobile numbers and $5.95 for toll-free lines.

We offer a range of prefixes, including mobile and national, along with toll-free options like 45-807 and 45-808.

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FlyNumber’s stand-out features

  • Manage costs with charges per phone number, not per user.
  • Port Denmark phone numbers easily, in or out.
  • Unlimited incoming VoIP minutes for Denmark calls.
  • Modify forwarding settings anytime via the user panel.
  • Access detailed call logs with error insights.
  • Block unwanted calls, including anonymous ones.
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Use any device or software

Any device can be used to make and receive calls with your FlyNumber.

  • iOS or Android smartphone
  • Mac, PC, or Linux computer
  • Desktop office phone
  • Any regular phone number (to receive calls)
  • Any VoIP (e.g. Asterisk, 3CX, 3rd party VoIP)
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Choose from 3 powerful ways to use your FlyNumber

1.) Forward the Denmark phone calls to any standard phone number worldwide

Illustration of a phone receiver next to a world map with location markers, a keypad, and an envelope icon, representing global call forwarding and communication options.
  • For a low per min rate you can forward the Denmark calls to any regular phone number in the world.
  • You'll see the caller ID of the person calling your Denmark FlyNumber on the phone you're forwarding to.
  • Change the forwarding number anytime via the FlyNumber panel.
  • Consider our optional cloud phone system to enhance call forwarding options.
Call Forwarding Options

2.) Use our (optional) cloud phone system

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  • A full-featured cloud PBX-phone system for a flat $14.95 per month.
  • Quickly and easily configure the call flow on a digital grid type canvas.
  • Supercharge your Denmark FlyNumber with day/time based routing, call recording, IVR/menu, block phone numbers, create SIP (VoIP) accounts and more.
  • Make phone calls with your Denmark number as the outgoing caller-ID.
  • Forward the Denmark number to multiple phone numbers and/or VoIP destinations.
More on the Phone System

3.) Set the Denmark number directly to VoIP

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  • Set the Denmark number directly to a SIP/VoIP address.
  • We'll send the Denmark calls to a VoIP destination for free (unlimited minutes).
  • High level call logs to help diagnose/debug any issues.
  • Use any 3rd party VoIP provider or your own PBX system (Asterisk, FreePBX, 3CX, etc.)
Details on using Direct VoIP

Registration Requirements

  • Mobile

There are no special registration requirements for Mobile, Denmark phone numbers.

  • National

Personal: name and contact phone number. Business: add company name. Address can be from anywhere in the world.

  • Toll-free

Personal: full name and contact number. Business: add company name. Address can be from anywhere in the world.

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Porting Your Existing Number to FlyNumber

Already have a Danish phone number? You can transfer (port) it to FlyNumber and keep using the same number with all our features.

We support porting for national and toll-free Danish numbers. You'll typically need:

  • A recent invoice from your current provider
  • Valid ID (passport or national ID)
  • For business numbers: company CVR number and registration documents
  • Danish address (for national numbers)

Once you're ready, we'll send you the authorization form and handle the rest. Need things done quickly? Let us know and we can often expedite the process.

Interested in porting? Learn more about porting or get in touch and we'll guide you through it.

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Example use cases

Marketing campaign tracking

Track which ads drive calls by using unique numbers for campaigns across Copenhagen, Odense, and beyond.

Real estate listings

Assign each property its own number to manage inquiries and track interest per listing.

Privacy on DBA or GulogGratis

Keep your personal number private when selling items on Danish online marketplaces.

Stay connected while traveling

Keep a Danish number active abroad so family and clients can reach you at local rates.

Budget-friendly business line

Project a professional local presence without the cost of traditional phone lines.

Call like a local, pay like a local

In many cases if you make outgoing calls to a Denmark phone number using a Denmark FlyNumber as the caller-ID the rate is significantly cheaper.

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Make and receive calls with your Denmark phone number using our app

If you sign up for the phone system you can use the (free) dedicated app for iOS, Android, Windows, and macOS for incoming and outgoing calls.

  • Unlimited incoming minutes included
  • Push notifications for incoming calls
  • Call history and missed call tracking
  • Multiple number support for outbound calls
  • While on a call trigger call recording, transfer or pickup.
Screenshot of the FlyNumber app interface showing the call screen with a dialpad and recent calls list.

General technical details on Denmark numbers

  • Country code is +45; numbers are 8 digits long.
  • Dial locally by dialing the 8-digit number directly, no area code needed.
  • Country code +45 introduced in 1960; uniform 8-digit format standardized later.
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FAQs

Can I use a Denmark FlyNumber to forward calls to my existing phone in another country?

Yes, with FlyNumber, you can forward your Denmark number to any standard phone worldwide. Caller ID of the original caller is displayed, and you can manage forwarding via the FlyNumber panel.

How can I manage incoming calls to my Denmark virtual number?

The cloud-based phone system allows you to configure call flows on a digital grid. You can set day/time routing, call recording, and use features like IVR to manage calls.

Is it possible to use my Denmark FlyNumber for outgoing calls?

Yes, you can make outgoing calls using your Denmark number as the caller ID. This is possible with the cloud phone system option.

Will I be able to integrate my Denmark FlyNumber with existing VoIP setups?

Absolutely, FlyNumber allows you to set the Denmark number directly to a VoIP/SIP address, providing compatibility with any VoIP solution supporting SIP or IAX protocols.

Are there unlimited incoming minutes for my Denmark virtual number?

When you set your Denmark number to a VoIP/SIP address, you get unlimited incoming minutes with two free incoming channels, which is ideal for business needs.

How to get your local Denmark phone number

  1. Click sign up and select Denmark as the country, then choose a prefix.
  2. Choose an option for how you want to use the Denmark "FlyNumber" (you can change this anytime).
  3. Enter the configuration options (for example the phone number or VoIP address to send calls to)
  4. Add funds to your prepaid manually or create a subscription for the Denmark number.
  5. Go to My account > My FlyNumbers to change settings and view your Denmark number.

Note: If the number has SMS enabled, we'll automatically email the texts to the FlyNumber email on file.

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Denmark forum topics

Blog Posts

Why choose FlyNumber?

Never any contracts or obligations, cancel anytime.

Crystal quality phone calls.

Customer service 7 days a week.

Set up a recurring subscription and/or add funds manually.

We've been in business for well over a decade.

Get your Denmark number today
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Special numbers