What is the Area Code for Dortmund?
The association describes fixed-line numbering coverage and should not be treated as proof of a caller’s current location.
🇩🇪 North Rhine-WestphaliaDortmund Area Code
Dortmund Area Code
in Germany
Dortmund is associated with 231 in this selected fixed-line directory. The code must be combined with country calling code +49 when called internationally.
Featured area code231
North Rhine-Westphalia
Dortmund and North Rhine-Westphalia
Dortmund is listed under North Rhine-Westphalia in this directory. Administrative borders and telephone numbering areas can differ.
How to Call Dortmund
From within Germany: 0231 + subscriber number
From abroad: +49 231 + subscriber number
Remove the leading domestic zero after adding +49.
Time Zone in Dortmund
Central European Time with seasonal daylight saving time
Europe/Berlin: Calculated in your browser
For multi-zone countries, confirm the destination city’s IANA zone before scheduling a call.
Nearby directory entries
Related Cities in Germany
Related means a shared featured region or telephone code; it does not imply a precise geographic boundary.
Common questions
Dortmund Calling FAQ
What is the area code for Dortmund?
Dortmund is associated with 231 in the featured fixed-line directory.
What country code is used for Dortmund?
Dortmund is in Germany, which uses country calling code +49.
Can the code prove a caller is in Dortmund?
No. Numbering association is not live geolocation, and portability, forwarding or internet telephony can change where a call is received.