0203 area code — Duisburg
Phone numbers in Duisburg, Germany use the area code 0203. Numbers are written internationally as +49 203.
* Germany spans more than one time zone; the clock shows its primary zone.
How to call Duisburg
- From abroad
- +49 203 XXX XXXX
- Within Germany
- 0203 XXX XXXX
- Country calling code
- +49
About the 0203 area code
Locally the code appears as 0203; from outside Germany you replace the leading 0 with +49 203.
Area codes like 0203 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Germany number. To actually receive an SMS on a Germany number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Duisburg?
Duisburg uses the area code 0203, written internationally as +49 203.
How do I call Duisburg from another country?
Dial your international access code, then +49 203, then the local number — dropping the national leading 0.
What time is it in Duisburg?
Duisburg is in the Europe/Berlin time zone; the live clock above shows the current local time.
Is 0203 a mobile or a landline code?
0203 is a geographic (landline) area code for Duisburg. Mobile numbers in Germany use their own separate prefixes.