Denmark country code, +45 explained.
Everything you need to call Denmark with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Denmark
Copenhagen · Europe
· COUNTRY INFO · VERIFIED
- ISO Alpha-2
- DK
- Capital
- Copenhagen
- Region
- Europe
- Timezone
- UTC+1
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +45 · XXXXXXXX
How Denmark numbers break down
A complete number to Denmark follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into Denmark.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +45 · XXXXXXXX
Denmark on the map
Copenhagen · Europe
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
How to call Denmark
Click any step — watch the full dial string build piece by piece.
FULL NUMBER FORMAT
011 · +45 · XXXXXXXX
Twiching automatically adds the exit and country codes — just enter the local number.
Denmark —
connected across every carrier.
191
Countries in directory
DENMARK INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
Denmark
Europe · DK
Denmark numbering plan & how to dial
Denmark uses a closed numbering plan under country code +45: subscribers are reached with a single 8-digit number after the country code, with no separate area code to dial.
Denmark has 98% internet penetration and is served by 3 major mobile networks (TDC Group, Telenor Denmark, Telia Denmark). VoIP is permitted and regulated by DBA (Danish Business Authority / Erhvervsstyrelsen). The local currency is DKK and the primary language is Danish, which shape IVR prompts, SMS content, and business-hours handling.
Most European numbering plans follow ITU-T E.164 with a national trunk prefix that is dropped for international dialing, and cross-border VoIP is widely supported across the region.
Skipping the exit code
Reaching Denmark from the US requires the 011 exit code ahead of +45 — skip it and the call won't connect.
Adding an area code that doesn't exist
Don't insert an area code for Denmark: it's a closed plan, so +45 plus the 8-digit number is the whole address.
Ignoring the time difference
Denmark runs on UTC+1. Check local hours before dialing so calls don't land outside business time.
Permitted — DBA regulated
Regulated by DBA (Danish Business Authority / Erhvervsstyrelsen)
- VoIP providers must register with the Danish Business Authority under the Telecommunications Act.
- Emergency service access (112) is mandatory for all VoIP operators serving Danish subscribers.
- GDPR is strictly enforced by Datatilsynet for all electronic communications service providers.
US → Denmark
$0.008/min
per minute
Denmark → US
$0.007/min
per minute
More in Europe
Business calling to Denmark
Local DK caller ID
Present a Denmark +45 number so prospects in Copenhagen and nationwide recognise the call and are more likely to answer.
Europe outbound & support
Run sales and support lines into Denmark over Tier-1 routes that interconnect with networks like TDC Group.
Follow-the-sun coverage
Staff Denmark hours (UTC+1) with routing that sends calls to the right team at the right local time.
FAQ
Calling Denmark — frequently asked questions
Denmark uses a closed plan: a single 8-digit subscriber number directly after the country code, with no separate prefix layer. Every number in the country is the same total length as a result.
Denmark uses a closed numbering plan with no leading trunk 0 to worry about — just the country code followed directly by the subscriber number. That makes the dial string identical whether you're calling from inside or outside the country.
Twiching rates to Denmark start at $0.008/min, and calls back from Denmark to the US start at $0.007/min. Both directions are billed per second rather than rounded up to the nearest minute, on Tier-1 routes throughout.
Denmark has 98% internet penetration, which is a useful signal for how reliably VoIP and SMS-based channels will perform there. Higher penetration generally means more consistent call quality and app-based delivery for messaging.
Denmark doesn't use a separate area code — the subscriber number follows the +45 country code directly. There's no prefix length to track since the format is the same for every number in the country.
Calling Denmark means dialing 011, then +45, instead of the domestic US format — plus accounting for the UTC+1 time difference. Domestic US calls skip both the exit code and the international country code entirely.
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