Denmark flag DK

How to Call Denmark from the United States

Country code +45 — Dial 011 45 34 XX XX XX from a US landline or +45 34 XX XX XX from a mobile phone.

+45
Denmark Country Code

What to Dial

  1. 1Dial 011 from a US landline, or + from a mobile (hold the 0 key).
  2. 2Dial 45, the country code of Denmark.
  3. 3Dial the number: 8 digits, exactly as written: Denmark has no leading 0 to drop.
Calling a… Written in Denmark From a US landline From a cell phone
Mobile 34 XX XX XX 011 45 34 XX XX XX +45 34 XX XX XX
Landline 32 XX XX XX 011 45 32 XX XX XX +45 32 XX XX XX

X stands for any digit. More number types: Denmark phone number format.

Mobile or Landline?

Denmark had 127 mobile subscriptions and 11.7 landlines per 100 people in 2024. Most people you call will be on a mobile, so ask for their mobile number and check what your plan charges for calls to Denmark mobiles.

Source: World Bank (ITU).

Calling Tips for Denmark

Best Time to Call

To reach someone between 9 AM and 8 PM in Copenhagen, call between 3:00 AM–2:00 PM EST (12:00 AM–11:00 AM PST). Denmark changes its clocks for daylight saving time.

Denmark is on UTC+1, 6 hours ahead of US Eastern Time right now.

Cost Saving Tips

  • VoIP services such as Google Voice or Vonage usually charge less per minute than a carrier's standard international rate.
  • WiFi calling apps (WhatsApp, Viber, FaceTime) are free when both parties have the app.
  • Check your carrier's international plan — many offer add-on packages.

Time Difference

US Eastern (EST)
--:--
UTC-5
+6h
Denmark
--:--
UTC+1

Frequently Asked Questions

How do I call Denmark from the US?
From a US landline, dial 011, then 45, then the number: 011 45 34 XX XX XX for a mobile. From a cell phone, dial +45 34 XX XX XX.
Do I need to drop a 0 when calling Denmark?
No. Denmark has no trunk prefix: dial every digit after +45 exactly as written, for example +45 34 XX XX XX.
How many digits is a phone number in Denmark?
8 digits after the country code +45.
What time should I call Denmark from the US?
Denmark is 6 hours ahead of New York (UTC+1 in Copenhagen). To reach someone between 9 AM and 8 PM there, call between 3:00 AM–2:00 PM EST, or 12:00 AM–11:00 AM PST on the West Coast. Denmark uses daylight saving time, so the difference changes during the year.
How do people in Denmark call the US?
They dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX, or +1 from a mobile.
How much does it cost to call Denmark?
It depends on your plan: many US plans charge per minute for international calls. Internet calling apps are free when both people have the same app.
Denmark Quick Info
Country Code +45
ISO Code DK
Capital Copenhagen
Time Zone UTC+1
Exit Code (US) 011
Full Country Profile
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