libphonenumber API

Denmark Phone Number Format

Country code +45 · ISO DK

How to format, dial, and validate Denmark phone numbers, with live examples.

Country Code

+45

National Prefix

International Prefix

00

Mobile Portability

Yes

Try it now

Pre-filled with a valid fixed line number for Denmark. Edit it and click "Try It" to see the parsed result.

Number Types & Example Formats

Each Denmark phone-number type supported by libphonenumber, with a real example formatted three ways.

Type Length National International E.164
Fixed Line 8 digits 32 12 34 56 +45 32 12 34 56 +4532123456
Mobile 8 digits 34 41 23 45 +45 34 41 23 45 +4534412345
Premium Rate 8 digits 90 12 34 56 +45 90 12 34 56 +4590123456
Toll Free 8 digits 80 12 34 56 +45 80 12 34 56 +4580123456

How to Dial Denmark Numbers

From abroad

Dial +45 followed by the national number.

Dialing out of Denmark

Dial 00 followed by the destination country code and number.

Area Codes

Browse Denmark area codes with cities, timezones, and example numbers for each.

View Denmark area codes →

Validate a Denmark Number with the API

Send the number to the free libphonenumber API to get the parsed country, type, formatting, and validity.

Request
curl https://libphonenumberapi.com/api/phone-numbers/+4532123456

Frequently Asked Questions

What is the country code for Denmark?

The international country code for Denmark is +45. Use this prefix when dialing Denmark numbers from another country.

How long is a Denmark phone number?

Denmark phone numbers are typically 8 digits, not including the +45 country code.

How do I dial a Denmark phone number from abroad?

From abroad, dial +45 followed by the national number.

How do I validate a Denmark phone number programmatically?

Send a GET request to https://libphonenumberapi.com/api/phone-numbers/<number>. The free libphonenumber API returns the parsed country, format, type, and validity for any number — no API key required.