The +45 country code is the international dialing prefix for Denmark, enabling global callers to reach Danish landlines and mobile numbers. This numeric identifier helps route calls accurately to the Danish telecom network.
Organizations and travelers use this code to connect directly with Danish contacts, ensuring seamless communication across borders.
| Country | Country Code | Region | Typical Use |
|---|---|---|---|
| Denmark | +45 | Europe | Business, personal, and emergency calls |
| Sweden | +46 | Europe | Scandinavian business and consumer services |
| Norway | +47 | Europe | Maritime and energy sector communications |
| Finland | +358 | Europe | Public services and private enterprise |
How to Dial +45 from Abroad
International Access Code
Before dialing +45, you must first enter your country’s international access code. From most countries, this is 00. For example, a caller in the United Kingdom would dial 00 45.
Full Number Format
After the access code, dial 45 followed by the local Danish number, typically 8 digits for landlines and 8 digits for mobile phones. The complete sequence is 00 45 plus the subscriber number.
Business Communication with +45
Corporate Contact Cards
Danish companies list +45 on business cards, websites, and email signatures so international partners can reach them without confusion. This standardized format supports brand clarity and professional outreach.
Customer Support and Sales
Enterprises use +45 numbers for regional support lines, allowing Danish clients to contact help centers at local rates. Sales teams rely on this code to build trust with customers who prefer domestic-looking numbers.
Mobile and Landline Number Structure
Mobile Numbers
Danish mobile lines usually begin with 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, or 33 after the country code. These follow the +45 prefix with the remaining digits forming a consistent national format.
Landline and Geographic Numbers
Fixed-line numbers are tied to specific regions in Denmark and often start with area codes such as 33, 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, or 49 after +45. This helps callers identify the city or locality without ambiguity.
Global Reach and Number Portability
Consistent Format Across Carriers
Whether you switch mobile operators or move within Denmark, the +45 country code remains unchanged, providing continuity for long-term contacts and subscriptions.
Virtual Numbers and Cloud Services
Businesses can acquire virtual Danish numbers under +45 for remote teams, enabling local presence without physical offices and supporting scalable customer engagement.
Key Takeaways for Using +45
- Always dial your country’s international access code, then 45, then the local number.
- Verify the full Danish number length to avoid incomplete or failed connections.
- Use +45 format in digital profiles, email signatures, and CRM systems for clarity.
- Check international calling rates with your provider to manage costs effectively.
- Leverage virtual +45 numbers to establish a Danish business presence remotely.
FAQ
Reader questions
Do I need to use +45 when calling Denmark from another country?
Yes, you must dial +45 or the international access code followed by 45 before the local Danish number to ensure the call is routed correctly.
Can I use +45 numbers for WhatsApp and other messaging apps?
Absolutely, you can add Danish contacts using the +45 format in WhatsApp, Telegram, and similar platforms to send messages and make voice calls over data.
Will my phone bill change when dialing +45 numbers?
International rates vary by provider, so check your plan for charges when calling or texting Danish numbers, especially for premium or support lines.
What happens if I forget to include +45 when calling Denmark?
Omitting the country code may result in a failed connection or misrouted call, requiring you to redial with the correct international prefix and country code.