This is the telephone area code for Karlsruhe and surrounding areas in Baden-Württemberg, Germany.
How to Call Karlsruhe from Overseas
- Dial your country's exit code (International Access Code)
- Dial 49 (Germany country code)
- Dial the area code (721 - without the leading 0)
- Dial the local phone number
Example: Calling Karlsruhe from France
00 49 721 12345678
Where:
00 = France exit code
49 = Germany country code
721 = Karlsruhe area code (0721 without the 0)
12345678 = Local Karlsruhe phone number
Quick Facts
Karlsruhe Area Code Coverage
The 0721 area code covers Karlsruhe and its surrounding metropolitan area:
City Center
Market Square, Karlsruhe Palace, ZKM media arts center
Durlach
Historic district, Turmberg hill, castle ruins, old town
Weststadt
University area, botanical garden, technology institutes
Mühlburg
Rhine harbor, industrial areas, residential neighborhoods
Rintheim
Residential districts, green spaces, university facilities
Greater Karlsruhe
Federal Constitutional Court, technology parks, trade fair grounds
Major German Area Codes
Common Exit Codes for Calling Germany
When calling Karlsruhe from these countries, use these exit codes:
France
00
Switzerland
00
Austria
00
Italy
00
United States
011
United Kingdom
00