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Updated : October 16, 2025

Calling Denmark is not as difficult as it used to be. As of early 2025, Denmark had 9.07 million mobile connections, which is more than the entire population of the country. It suggests that many people have devices or SIMs for both work and personal use.

Due to this solid connectivity, your calls will likely be picked up faster. So, with this blog, we share the step-by-step dialing procedures, area codes, and connectivity issues to make sure you connect with ease regardless of how you are dialing.

Step-by-Step Dialing Format for Calling Denmark from US

For dialing Denmark from the USA, follow the simple steps as mentioned below:

• First dial 011 to get out of the USA network.
• Next, you need to dial Denmark’s country code 45.
• Insert the landline area code, if required. (Not required for mobile)
• Next, simply dial the 8-digit local phone number.

Pro-Tip

Keep in mind that all numbers in Denmark are 8 digits long (not including the country code). In the landline area codes are indicated at the beginning of the number by the area code. Mobile numbers are identified by the starting digits “2, 5 or 9”.

Denmark Area Codes You Should Know

Denmark’s telephone system is relatively straightforward, but knowing the area codes for major cities can help ensure calls are routed correctly. You need to select the prefix mentioned below as per the city.

Note: Cell phone numbers in Denmark are always prefixed by either a 2, 5, or 9. They are not in accordance with a place.

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How to Call Different Numbers in Denmark?

When you are willing to reach out to family, friends, or business connections from Denmark, it can become a tedious task if you do not know the sure-fire way. So, we have given the 3 most important resources to call different numbers in Denmark.

1. Calling a Landline in Denmark

Landlines are still used in the Danish workplace and official bodies such as the police or government offices. You should know the area code before calling on a landline to avoid the risk of being misdirected.

For Example:

• If you are calling a landline in Copenhagen from the US, the final number will be 011 + 45 32 12 34 56. The “32” is the area code for Copenhagen.

Quick Tip:

• If you want to eliminate any wasted time whenever you call, you may find it valuable to write down the area codes for the major cities in Denmark for your reference. 

2. Calling a Danish Mobile Phone

Dialing a mobile phone in Denmark is relatively easier. You just need to remember the cell phone prefix and you are good to go. There are different mobile prefix providers in Denmark, such as TDC/YouSee (Nuuday), Telenor, and many more.

For Example:

• Dial a Danish cell phone number: 011 + 45 29 12 34 56.
• Here, 29 is the mobile prefix that identifies the carrier, followed by the 6-digit subscriber number (making a total of 8 digits).

3. Calling Toll-Free or Business Numbers (80)

The toll-free numbers are numbered 80. If you are dialing the number from the United States of America, the call will look like this:

011 + 45 + 80 XXXX XX 

The number remains toll-free in Denmark, but will be charged with international calling rates. Consider the recommendations of your calling service provider beforehand to avoid international charges.

Alternative Ways to Call Denmark

The estimated size of the Denmark Mobile Virtual Network Operator Market is USD 1.06 billion by 2025 and is anticipated to reach USD 1.34 billion by 2030. So you can explore different options to call Denmark.

1. VoIP Calling: CallHippo, Skype, Zoom Phone

Different VoIP platforms like CallHippo, Skype, Zoom, and more are great for big brands or small businesses. These tools grant lucrative calling such as customer relationship management, call tracking, and call analytics.

2. Mobile Calling Applications: WhatsApp, Viber, Telegram

Voice applications like WhatsApp, Viber, and more can be the easiest method for personal calls. Instead of cellular, these applications normally have Wi-Fi or cellular data to use for voice.

3. International Calling Cards

The new calling cards are still affordable and practical for all calling requirements, even for just an occasional call to simply pre-pay. The best calling cards offer fixed minutes and fixed expenses based on a seller’s rate. Some popular international calling card providers include Yolla, Viber Out, KeepCalling, BOSS Revolution, Rebtel, LDPost, and Enjoy Prepaid.

4. Wi-Fi Calling/Internet Dialing

Most phone carriers in the USA offer a Wi-Fi calling service, and this service is extremely easy to start. The device will set this option in your phone settings. Then, just remember to follow the regularly used international dialing format.

Pro-Tip

Use Wi-Fi calling and VoIP at the same time. It will help you accomplish extended calling times, while saving international calling app charges, and to make sure that the quality of the call does not decline.

What is the Cost of Calling Denmark from the US?

Making a call to Denmark from the United States can be easy and inexpensive, as long as you know what the rates are, and some dialing shortcuts.

Standard Carrier Rates (AT&T, Verizon, T-Mobile)

Calling Denmark with traditional US carriers can get expensive. Here’s a quick snapshot:

VoIP and App-Based Rates

Apps and VoIP services like CallHippo can make a huge difference. Rates can be as little as $0.01–$0.05 a minute, a fraction of the cost of carriers. Use for long and/or frequent business calls.

Common Calling Mistakes to Avoid

It does not take much to completely disrupt your call from the USA to Denmark, even at the beginning. Here are the common calling mistakes:

Time Difference Between the US and Denmark

When you wish to call Denmark from the US, thoroughly understand the time and day related gap. It will help you avoid calling at odd hours.

Denmark’s Time Zone (CET / CEST)

Denmark follows Central European Time (CET) in winter. However, it relies on Central European Summer Time (CEST) in summer.

What are the Best Times to Call from the US? (Morning or Late Evening)

To catch a Danish person at a convenient hour, aim for:

• Early Morning in the US: 6:00 AM – 9:00 AM ET (12:00 PM – 3:00 PM in Denmark)
• Late Evening in the US: 8:00 PM – 10:00 PM ET (2:00 AM – 4:00 AM in Denmark, only for urgent calls)

How Businesses Use Denmark Virtual Numbers for Customer Support?

Having a virtual number will not only make a phone call cheaper but also make your business sound local and professional as well. Here’s how businesses can take advantage of Denmark’s virtual numbers.

1. Local Business Presence for Danish Customers

When a business has a Denmark virtual phone number, it makes the business appear local, even if employees of that business are not in a physical office in Denmark. Individuals are more likely to answer a phone call for a call that appears to be “local”.

2. Tracking International Campaigns

When calls are made through a virtual number, businesses can monitor calls per campaign. Each campaign can possess its virtual number. Businesses can analyze ROI and engagement with minimal labor or time on setting up.

3. Streamlining Support & Sales Calls

Calls can be automatically routed over to cross borders with a virtual number service. One set number reduces wait time for callers, increases satisfaction, and helps secure essential business leads.

Why Use a Virtual Number to Call Denmark?

A virtual number is a great strategy to save you money, gain trust, and allow you to ensure every call is connected to its intended destination. Here are the top reasons to use a virtual number to call Denmark locals.

1. Get a Denmark Virtual Number for Business Calls

A business calling from a local number gives you an instant sense of credibility. Customers see a geographical area code that they recognize and promptly pick up your phone call without the need of establish a physical office in Denmark.

2. Save on International Rates

Paying for international calls can build up your expenses quickly. Hence, when you rely on a virtual number, it can reduce the per-minute rate and even more when coupled with VoIP technologies. As a result, you can save money exponentially on every international phone call.

3. Maintain Local Presence and Credibility

Having a local number makes you feel credible and professional. A local number supports marketing, customer support, sales, and many other business functions.

Wrapping Up

Calling Denmark is easier than you think. Knowing the exit code from the US, the country code for Denmark, and the mobile prefixes gives you all of the necessary information. This will save your business a significant effort. Undeniably, a virtual number builds a professional presence, helps to elevate the brand’s prestige.

FAQs

1. What is the dialing code to Denmark from the United States?

You would dial 011 to exit the US, next dial 45 for the country code and then local number. Then, you will have to dial 011 + 45 + local number.

2. How do I call a mobile number in Denmark?

No city code because you will just dial 011 + mobile carrier + the 8-digit mobile number.

Step 1: Dial the US exit code, which is 011.
Step 2: Dial Denmark’s country code, which is 45.
Step 3: Dial the full 8-digit mobile number.

Mobile numbers in Denmark usually start with 2, 5, or 9. So if the number is 29 12 34 56, you would dial it like this from the US:

011 + 45 + 29 12 34 56

3. What is the cheapest way to call Denmark from the United States?

VoIP is always best. If you use CallHippo, Skype, and Zoom Phone, you cost way less than a regular carrier.

4. Can I call Denmark with WhatsApp?

Yes! WhatsApp, Viber, and Telegram have voice calls to other people over the internet. It is inexpensive and effective.

5. When is the best time to call Denmark from the United States?

Most early mornings in the US are usually around midday in Denmark, or late evenings.  Just be sure not to interrupt someone while having their cup of coffee in the morning, or don’t forget the time difference.

Published : October 16, 2025

Juhi is a senior content writer with over 4 years of experience in the B2B SaaS industry. A passionate storyteller at heart, she transforms complex ideas into compelling narratives with an adaptive and audience-first writing style. Juhi has helped multiple brands strengthen their voice, connect with their audience, and drive measurable growth through content. When she is away from the screen, she enjoys winding down with a well-written book!

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