+45 Country Code for Denmark
Use +45 when calling Denmark from abroad. International calls normally include the country code, an area or city code, and the local number.
Country code
+45
ISO code
DK
Denmark phone number format
Denmark uses the international calling code +45. Most full numbers include the country code, an area or destination code, and the local subscriber number.
Standard international format
Country code
+45
Area or city code
This part identifies a region, city, or carrier depending on the country.
Local number
This is the subscriber number you dial after the prefix information.
Mobile numbers
Mobile numbers in Denmark may use a different prefix or length than landlines, so it helps to confirm the full format before calling.
Landline numbers
Landline numbers in Denmark often include an area code that points to a city or region.
Example numbers
+45 34 41 23 45
Example mobile number for Denmark
+45 XX XXXX XXXX
Example landline format for Denmark
Postal code format
Denmark commonly uses the postal code format ####.
Important notes
- • Always start with +45 when placing an international call to Denmark.
- • Double-check whether the local number already includes any regional prefix before dialing.
- • Spacing varies by provider, but the digits themselves must stay in the right order.
- • If a call fails, verify the exit code, country code, and local number format.
How to call Denmark
To call Denmark from abroad, enter your international exit code, then +45, then the full local number.
Dial your international exit code
This tells your carrier you are placing an international call.
Common exit codes
- United States & Canada: 011
- Most of Europe: 00
- Australia: 0011
- Japan: 010
Dial Denmark's country code
After the exit code, enter +45 for Denmark. If a form asks for digits only, use 45.
45
Add the area code and local number
Enter the rest of the number exactly as it is written for Denmark.
Important: Some published numbers include a trunk prefix used only for domestic calls. Leave it out if the number should be dialed in full international format after +45.
Place the call
Review the full sequence, then start the call from your mobile, landline, or VoIP app.
Complete example
+45 34 41 23 45
Exit code reference
| Region | Exit code | Example |
|---|---|---|
| United States & Canada | 011 | 011 45 XXX XXXX |
| Most of Europe | 00 | 00 45 XXX XXXX |
| Australia | 0011 | 0011 45 XXX XXXX |
| Japan | 010 | 010 45 XXX XXXX |
Tip: Many phones also let you start with +45 by using the + symbol instead of an exit code when supported.
Neighboring countries
Denmark borders 1 country, so nearby international numbers can look similar. Confirm the country code before dialing.
Common dialing mistakes
- • Using the local number without your international exit code.
- • Forgetting to include the country code.
- • Including a domestic trunk prefix that is not needed for international calls.
- • Missing a city or regional area code when one is required.
- • Copying a number with spaces or punctuation but changing the digit order.
Why your call may not connect
If calls to Denmark are failing, the issue is usually the exit code, area code, number format, or carrier restrictions.
Call not connecting
- Confirm that you entered your exit code before 45.
- Check that the number for Denmark is written in international format.
- Remove extra zeros, spaces, or punctuation if your provider does not accept them.
- If needed, try dialing with +45 or 45 depending on how your carrier formats international calls.
Missing area code
- Many calls to Denmark need a city, region, or carrier code before the local number.
- Ask the recipient to confirm the full number they give to international callers.
- Check whether the number is mobile, landline, or toll-free because formats can differ.
- Try the full published number exactly as shown in international format.
International calling blocked
- Verify that your phone plan allows international calling.
- Some destinations in Denmark may be restricted by your carrier or calling app.
- Try another provider, app, or network to see whether the route changes.
- Contact your carrier if calls fail before they ever start ringing.
Time zone confusion
- Denmark spans multiple time zones, so the person you are calling may not be available when you expect.
- Businesses and support lines are easiest to reach during local working hours.
Number format issues
- Make sure the digits are in the correct order before you redial.
- Do not mix domestic and international formats in the same number.
- Look up a recent example for Denmark if you are unsure about spacing or length.
- If the number came from a website, compare it with another trusted source.
Poor call quality
- Switch from weak Wi-Fi to mobile data, or vice versa, and try again.
- Use a headset or quieter connection if the audio keeps cutting out.
- VoIP apps and direct carrier calls may route differently, so test both when possible.
- If quality stays poor, consider a different calling provider for Denmark.
Quick tips
- • Save the number in full international format starting with +45.
- • Try calling from a different carrier or app if one route keeps failing.
- • Ask the recipient to confirm the exact digits they use for international callers.
- • If you are calling a business in Denmark, try again during local business hours.
- • Check whether your plan allows international dialing and whether extra charges apply.
Denmark at a glance
Here are a few helpful details about Denmark that can make dialing, scheduling, and comparing rates easier.
Capital
Copenhagen
Time zones
Multiple time zones (UTC-04:00 to UTC+01:00)
Region
Europe (Northern Europe)
Currency
Danish krone (DKK) · kr
ISO code
DK
Best time to call
Denmark spans 5 time zones, from UTC-04:00 to UTC+01:00. Aim for local daytime or business hours if you want the best chance of reaching someone.
Need a cheaper way to call Denmark?
See current calling rates and compare options before your next call to Denmark.
Frequently asked questions
These quick answers cover the most common questions about +45 and calling Denmark from abroad.
What country uses +45?
Denmark uses the +45 international calling code for incoming calls from abroad.
How do I dial +45?
Dial your exit code first, then 45, then the area code and local number. On mobile phones you can often replace the exit code with +45.
How do I call Denmark from another country?
Start with your international exit code, add +45, and then enter the full national number for Denmark.
Is +45 always enough to reach Denmark?
Not always. You may also need an area, city, or carrier code before the local number depending on the destination.
Are mobile and landline numbers different in Denmark?
They can be. Denmark may use different prefixes or lengths for mobile and landline numbers, so confirm the full format before dialing.
Can I dial 45 without the plus sign?
Yes. The plus sign is just shorthand for your exit code. If you are entering digits only, use 45 after your exit code.
Does Denmark have multiple time zones?
Yes. Denmark spans 5 time zones, so check local time before placing the call.
Why can't I connect to Denmark?
Most failed calls happen because of an incorrect exit code, missing area code, blocked international calling, or a number copied in domestic rather than international format.