Germany · DEU
Karlsruhe dialing code
Karlsruhe · Karlsruhe
Dialing code
+49 721
From abroad
+49 721 123-4567
Dial +49, then the city code 721, then the phone number without the leading zero.
Within the country
0721 123-4567
Dial 0721 followed by the phone number.
How to call Karlsruhe?
To call Karlsruhe in Germany from abroad, dial the international code +49, followed by the city code 721, then the local number without the leading zero.