Denmark Country Code +45: Complete Calling Guide 2026
Complete guide to Denmark country code +45. Learn how to call Copenhagen, mobile carriers (TDC, Telenor, 3 Denmark), and the cheapest ways to call Denmark.

The Denmark country code is +45. This comprehensive guide covers everything you need to know about calling Denmark in 2026, including how to dial Copenhagen, Aarhus, and other cities, mobile carrier prefixes (TDC, Telenor, 3 Denmark), and the cheapest ways to call Denmark from abroad.
Quick Reference: Denmark +45
Country Code: +45
Exit Code: 00
Phone Format: 8 digits
Capital: Copenhagen
Time Zone: CET (UTC+1)
Currency: Danish Krone (DKK)
How to Call Denmark
International Dialing Format
To call Denmark from abroad:
+ 45 + 8-digit numberNote: Denmark has no area codes. All numbers are 8 digits and dialed directly after the country code.
Dialing Examples
Denmark Number Prefixes
Denmark uses a closed numbering plan with no area codes. The first digit or two of the 8-digit number indicates the service type or geographic region. Here is a detailed breakdown:
| Prefix | Type / Region | Example |
|---|---|---|
| 2X | Mobile numbers | +45 2XXX XXXX |
| 30-31 | Mobile numbers | +45 30XX XXXX |
| 32-39 | Copenhagen area (landline) | +45 33XX XXXX |
| 40-42 | Mobile numbers | +45 40XX XXXX |
| 43-49 | Copenhagen suburbs / Zealand (landline) | +45 45XX XXXX |
| 50-53 | Mobile numbers | +45 51XX XXXX |
| 54-59 | Southern Denmark / Zealand (landline) | +45 56XX XXXX |
| 60-61 | Mobile numbers | +45 60XX XXXX |
| 62-69 | Funen / Southern Jutland (landline) | +45 66XX XXXX |
| 70 | Personal / shared-cost numbers | +45 70XX XXXX |
| 71-79 | Mobile / Central Jutland (landline) | +45 75XX XXXX |
| 80 | Toll-free numbers | +45 80XX XXXX |
| 86-89 | Aarhus / East Jutland (landline) | +45 86XX XXXX |
| 96-99 | North Jutland / Aalborg (landline) | +45 96XX XXXX |
Mobile Carriers in Denmark
Denmark has four main mobile network operators and a competitive MVNO market. 5G coverage is expanding rapidly, with all major carriers offering 5G in Copenhagen and other major cities.
| Carrier | Market Share | Network | Notes |
|---|---|---|---|
| TDC (Nuuday) | ~38% | 5G / 4G LTE | Largest carrier, incumbent operator |
| Telenor Denmark | ~23% | 5G / 4G LTE | Norwegian-owned, strong urban coverage |
| 3 Denmark (Hi3G) | ~20% | 5G / 4G LTE | CK Hutchison subsidiary, aggressive pricing |
| Telia Denmark | ~12% | 4G LTE | Swedish-owned, merged with Telenor network |
| MVNOs (CBB, Lebara, etc.) | ~7% | Uses host networks | Budget options, popular with immigrants |
Special & Emergency Numbers
| Number | Service |
|---|---|
| 112 | Emergency (police, fire, ambulance) |
| 114 | Police non-emergency |
| 1813 | Medical helpline (Copenhagen region) |
| 116 123 | Crisis / mental health helpline |
| 118 | Directory Enquiries |
Denmark Telecom Overview
Denmark has one of the most developed telecommunications markets in Europe. The country consistently ranks among the top nations for digital infrastructure, with near-universal broadband access and excellent mobile coverage. The Danish Energy Agency regulates the telecom sector.
TDC (now operating as Nuuday for consumer services) is the incumbent operator and was originally the state telephone company. It was privatized in the 1990s and remains the largest player. The Danish mobile market is highly competitive, with aggressive pricing and a large MVNO ecosystem that offers budget-friendly plans.
5G deployment in Denmark began in 2020, and coverage has expanded rapidly. Copenhagen, Aarhus, Odense, and Aalborg all have extensive 5G coverage. Denmark also has some of the lowest mobile data prices in Europe, reflecting the intense competition among carriers and the government's focus on digital connectivity.
Cheapest Ways to Call Denmark
WhatsApp/Messenger
Free app-to-app calls when both parties have the app installed.
Best Times to Call Denmark
Denmark uses Central European Time (CET), UTC+1 in winter and UTC+2 in summer (CEST). DST runs from the last Sunday in March to the last Sunday in October.
From US East (EST): Denmark is +6 hours (winter) / +6 hours (summer)
From US West (PST): Denmark is +9 hours (winter) / +9 hours (summer)
From UK (GMT): Denmark is +1 hour (winter) / +1 hour (summer)
Business hours: Mon-Fri 8 AM - 4 PM
Best from US East: 8 AM - 10 AM EST (2 PM - 4 PM Denmark)
Best from US West: 6 AM - 7 AM PST (3 PM - 4 PM Denmark)
Note: Denmark also includes the Faroe Islands (+298) and Greenland (+299), which have their own separate country codes. Do not use +45 for those territories.
Troubleshooting Common Issues
Cannot tell mobile from landline numbers
Denmark's number plan makes it difficult to distinguish mobile from landline numbers because mobile and landline ranges overlap in many prefix blocks. Numbers starting with 2X, 30-31, 40-42, 50-53, 60-61 are always mobile. Numbers starting with 33-39 are typically Copenhagen landlines. For other prefixes, it can be ambiguous.
Calling Faroe Islands or Greenland with +45
The Faroe Islands use +298 and Greenland uses +299. These are separate country codes from Denmark's +45. If you are trying to reach someone in the Faroe Islands or Greenland, using +45 will not work. Make sure you have the correct country code for the territory.
Toll-free numbers not reachable from abroad
Danish toll-free numbers (starting with 80) are generally only reachable from within Denmark. From abroad, you will get an error or the call will not connect. Look for the company's regular landline number instead, which typically starts with a geographic prefix.
Calls blocked by spam filters
Denmark, as an EU member, has implemented strict call authentication measures. International VoIP calls may be flagged by Danish carriers' spam detection systems. If your calls are consistently being rejected, use a VoIP provider with proper caller ID authentication to ensure your calls are not blocked.
Frequently Asked Questions
Does Denmark have area codes?
Is +45 the same country code for Greenland?
What apps do Danes use for communication?
What is the cheapest way to call Denmark from the USA?
Tips for Calling Denmark
- No area codes or trunk prefix: Simply dial +45 followed by all 8 digits. There is no 0 to drop and no area code to add. What you see is what you dial.
- Faroe Islands and Greenland are different: If you need to call the Faroe Islands, use +298. For Greenland, use +299. These are separate country codes, not part of +45.
- Messenger over WhatsApp: Danes tend to prefer Facebook Messenger over WhatsApp for casual communication. If you cannot reach someone on WhatsApp, try Messenger.
- Business culture: Danes value work-life balance strongly. Do not expect to reach business contacts after 4 PM or on weekends. Emails are generally preferred over phone calls for business matters.
- MobilePay for context: If a Danish contact mentions MobilePay, it is Denmark's dominant mobile payment app (used by nearly all Danes), not a calling app.
- EU roaming: If you are visiting another EU country, calling Denmark does not count as international -- EU roaming rules mean your EU SIM card will treat Denmark calls as domestic.