Denmark is +45

A local writes 20 12 34 56 — the dialer below turns that into what you press.

Country code
+45
Dialing out
00
Trunk prefix
none

Denmark runs a flat eight-digit plan with no trunk prefix and no area codes, so a number is dialed identically from Copenhagen or a village in Jutland. From abroad it is simply +45 plus the eight digits, and 00 gets you out. The leading digits no longer reliably separate mobile from fixed.

Always eight digits, written in four pairs; ranges starting 2 or 3 are mostly mobiles, 7 mostly landlines.

You dial

011 45 20123456

011 exits United States · 45 reaches Denmark. From any mobile, +45 20123456 works worldwide.

Type the number the way a local writes it — the arithmetic is derived from each country's ITU plan.

Plan facts verified against ITU-T E.164 assigned country codes · Telephone numbers in Denmark — Wikipedia. Prose is our own.

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