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Denmark country code +45 — call Denmark & get a number.
Denmark stripped its phone plan down to eight digits and nothing else — no area codes, no trunk 0. Here's how to dial +45 from the US, UK and Europe, read a Danish number, check Copenhagen time, and pick up a local Danish line through MCM.
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Denmark at a glance
The numbers and facts you need before you dial.
What is the country code for Denmark?
Denmark answers to +45. What makes it easy is what it leaves out: the country runs a single flat block of 8-digit numbers with no city codes and no national trunk digit. Calling Copenhagen from Aarhus uses the same 8 digits you'd dial standing on the same street — there is no "long-distance" form to learn and nothing to add or strip.
In full international (E.164) form a Danish number is +45 XX XX XX XX (8 digits). Nothing is dropped after +45 because Denmark has no trunk 0.
All four mean the same thing — they connect your call to Denmark.
How to call Denmark from anywhere
Take the full 8-digit Danish number as printed, put 45 in front of it, and lead with your own exit code. Because there's no trunk 0 and no area code, the number you see is the number you dial — nothing to trim.
Full example: +45 No geographic meaning under modern plan XXX XXXX — drop the local leading 0 when calling from abroad.
Denmark phone number format explained
Every Danish number is exactly 8 digits — no shorter, no longer — drawn from one shared pool with no geographic codes layered on top. Danes write them in pairs (XX XX XX XX), which is why a phone number on a Copenhagen shopfront looks like four little blocks. The opening digit once gave a rough hint of line type or region, but number portability has long since broken that link.
Landline
+45 XX XX XX XX — fixed lines (historically opening 3x–9x), with no separate area code in front.
Mobile
+45 XX XX XX XX — mobiles (often opening 2x, 4x, 5x, 6x) live in the very same 8-digit pool. Full portability means the digits won't tell you which of the four networks a number sits on.
Denmark area codes — major cities
Drop the local leading 0 when calling from abroad.
| City | Region | Area code |
|---|---|---|
| Fixed line | 3x–9x | No geographic meaning under modern plan |
| Mobile | 2x, 4x, 5x, 6x | 8- |
| Toll-free | 80xx xxxx | Freephone |
| Premium rate | 90xx xxxx | Premium services |
Denmark mobile network prefixes
The prefix after +45 tells you which network issued the SIM — though number portability means it no longer guarantees the operator.
TDC (Nuuday / YouSee)
Telia
Telenor
3 (Three / Hi3G)
Denmark time zone
Mainland Denmark keeps Central European Time (CET, UTC+1), springing forward to CEST (UTC+2) for summer. The clocks change on the last Sunday of March and back on the last Sunday of October, locked in step with the rest of the EU. Worth flagging: Greenland and the Faroe Islands belong to the Kingdom but sit in their own zones and dial under their own codes, not +45.
A Copenhagen lunch hour catches the US East Coast just waking up, so early afternoon CET is your sweet spot for the Americas; dial before 10:00 to reach Asia before it clocks off.
Ouvrez le planificateur interactif du meilleur moment pour appelerCommon mistakes when calling Denmark
Presque tous les appels internationaux échoués sont un problème de formatage et non un problème de réseau.
Hunting for an area code
there isn't one. Every Danish number is just 8 digits, full stop, so don't pad it with a city prefix that doesn't exist.
Trying to drop a leading 0
there's no trunk 0 in a Danish number to begin with, so nothing comes off.
Carving the 8 digits up the wrong way
it's one number, usually shown as four pairs (XX XX XX XX), not a code plus a subscriber line.
Guessing the operator from the opening digits
portability makes that a dead end.
Reaching for 911
Denmark's emergency line is 112.
Tips to reduce the cost of calling Denmark
Route calls over VoIP or a virtual +45 line and skip the carrier's international per-minute tariff.
Already inside the EU? Lean on free "roam like at home" rules instead of paying cross-border rates.
Keep personal catch-ups on Wi-Fi calling or chat apps where the minutes are free.
Running a team? Plant a Danish DID so your Copenhagen customers reach you at a local rate, not an overseas one.
Why businesses get a Denmark virtual number
Danes are quietly wary of unfamiliar caller ID, and an 8-digit +45 number reads as one of their own — that small signal is what gets your call picked up wherever your team actually works.
Pickup rates climb
a familiar Danish 8-digit line beats an unknown foreign number every time.
Less hesitation
+45 on the screen looks domestic, not like a cold overseas dial.
Cheaper for callers
your Danish customers reach you at a local tariff.
One routing hub
funnel every Danish call to whichever team or person handles it.
Move fast
stand up a presence in Denmark without leasing an office in Copenhagen.
The real thing
a genuine Danish DID on the public network, not a forwarding trick.
Denmark numéros virtuels avec My Country Mobile
Spin up real Danish 8-digit DIDs on carrier-grade voice, wired up with the APIs your stack already speaks.
DID locaux dans les principaux indicatifs régionaux – provisionnés en quelques minutes
Renvoi d'appel vers n'importe quel mobile, ligne fixe, point de terminaison SIP ou softphone dans le monde entier
Voix HD avec G.711, G.729, Opus et AMR-WB — auto-négociée par appel
Latence inférieure à 150 ms sur les principaux corridors vocaux via des PoP distribués
SLA de disponibilité de 99,99 % soutenu par une infrastructure géo-redondante et un basculement sub-2s
Prise en charge WebRTC pour les appels basés sur un navigateur sans installation de softphone
API REST pour l'approvisionnement, le routage et les enregistrements détaillés des appels (CDR)
Protection intégrée contre la fraude avec détection des anomalies IA et STIR/SHAKEN
Surveillance du réseau 24h/24 et 7j/7 et assistance dédiée
How to get your Denmark virtual number
La plupart des entreprises sont opérationnelles en quelques heures, et non en quelques jours.
Pick your Danish 8-digit number from available stock.
Choose a plan and clear KYC.
Point the line wherever calls should land — team, app or PBX.
Switch it on and start fielding Danish calls.
Guides de numérotation pour d'autres pays
Plus de codes de pays qui méritent d’être ajoutés à vos favoris.
Denmark +45 — FAQ
Why does a Danish number have no area code?expand_more
— Denmark scrapped geographic codes when it moved to a flat 8-digit plan, so the city you're calling is no longer baked into the number — every line is simply 8 digits.
If there's no trunk 0, how do Danes dial locally?expand_more
— Exactly the same way they dial nationally: all 8 digits, every time. There's no separate local versus long-distance format.
Why are Danish numbers written in pairs like 32 55 01 23?expand_more
— It's just the local convention for grouping the 8 digits into four readable blocks; the spaces carry no meaning and you can dial it as one string.
Can I work out the network from a Danish mobile number?expand_more
— No. Numbers are fully portable and mobiles share the same 8-digit pool as everything else, so the digits reveal nothing about TDC, Telia, Telenor or 3.
Do Telia and Telenor really run on one network in Denmark?expand_more
— Yes — they share a joint radio network (TT-Netværket), while TDC and 3 run their own.
When do the clocks change in Denmark?expand_more
— On the last Sunday of March (to CEST/UTC+2) and back on the last Sunday of October (to CET/UTC+1), in lockstep with the EU.
Do Greenland and the Faroe Islands use +45 too?expand_more
— No. They're part of the Kingdom but have their own country codes and time zones, so this guide's +45 rules don't apply to them.
Can a non-Danish business get a real +45 number?expand_more
— Yes — MCM provisions genuine Danish 8-digit DIDs and routes the calls to your team anywhere in the world.