Denmark Phone Number Format

Country code +45 — Complete guide to Denmark phone number formats, mobile and landline structures, and area codes.

How Denmark Phone Numbers Are Written

Phone numbers in Denmark have 8 digits after the country code +45. There is no trunk prefix to remove: the number is written the same way at home (34 XX XX XX) and after the country code (+45 34 XX XX XX).

Country code	+45
Digits after +45	8 digits
Trunk prefix (domestic calls)	None
Mobile numbers start with	Same digits as landlines
Exit code (to call abroad from Denmark)	00
Dial from the US	011 45 34 XX XX XX

Mobile vs. Landline Numbers

Mobile numbers

8 digits after +45.

34 XX XX XX at home

+45 34 XX XX XX international

Landline numbers

8 digits after +45.

32 XX XX XX at home

+45 32 XX XX XX international

In Denmark, mobile and landline numbers start with the same digits, so you can’t reliably tell them apart from the number alone.

Denmark Number Types

Type	Starts with	Written at home	International	From the US
Mobile	—	`34 XX XX XX`	`+45 34 XX XX XX`	`011 45 34 XX XX XX`
Landline	—	`32 XX XX XX`	`+45 32 XX XX XX`	`011 45 32 XX XX XX`
Toll-free	80	`80 XX XX XX`	`+45 80 XX XX XX`	`011 45 80 XX XX XX`
Premium rate	90	`90 XX XX XX`	`+45 90 XX XX XX`	`011 45 90 XX XX XX`

X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.

Checking a number from Denmark? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.

Dialing Tips

Keep every digit: Denmark numbers have no trunk prefix, so dial them after +45 exactly as they are written locally.
Use the + notation: From a US mobile phone, use +45 instead of 011 45.
Verify the number length: Numbers in Denmark have 8 digits after +45. If your call does not connect, check that no digit is missing or doubled.
Save contacts in international format: Always store phone numbers with the full +45 prefix so they work from any country.

Denmark Phone Number FAQ

How many digits does a phone number in Denmark have?

Phone numbers in Denmark have 8 digits after the country code +45.

Can you tell a mobile number from a landline in Denmark?

Not reliably. In Denmark, mobile and landline numbers start with the same digits, so the number alone doesn't tell you which it is.

How do I write a phone number from Denmark in international format?

Start with +45, then the national number. For example, a mobile number written 34 XX XX XX at home becomes +45 34 XX XX XX. From a US landline, dial 011 45 34 XX XX XX.

What is the toll-free prefix in Denmark?

Toll-free numbers in Denmark start with 80, for example 80 XX XX XX. Many toll-free numbers can't be reached from abroad.

How do I call the US from Denmark?

Dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX. From a mobile phone you can use + instead of 00: +1 XXX XXX XXXX.

Denmark Quick Info

Country Code +45

ISO Code DK

Capital Copenhagen

International Prefix 011 (from US)

Full Country Profile

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