What is the Area Code for Duisburg?
The association describes fixed-line numbering coverage and should not be treated as proof of a caller’s current location.
🇩🇪 North Rhine-WestphaliaDuisburg Area Code
Duisburg Area Code
in Germany
Duisburg is associated with 203 in this selected fixed-line directory. The code must be combined with country calling code +49 when called internationally.
Featured area code203
North Rhine-Westphalia
Duisburg and North Rhine-Westphalia
Duisburg is listed under North Rhine-Westphalia in this directory. Administrative borders and telephone numbering areas can differ.
How to Call Duisburg
From within Germany: 0203 + subscriber number
From abroad: +49 203 + subscriber number
Remove the leading domestic zero after adding +49.
Time Zone in Duisburg
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
Duisburg Calling FAQ
What is the area code for Duisburg?
Duisburg is associated with 203 in the featured fixed-line directory.
What country code is used for Duisburg?
Duisburg is in Germany, which uses country calling code +49.
Can the code prove a caller is in Duisburg?
No. Numbering association is not live geolocation, and portability, forwarding or internet telephony can change where a call is received.