721 Area Code
Karlsruhe · Germany
Country code +49 · ISO DE
Example 721 Number
A sample number from this area code, formatted three ways.
| National | International | E.164 |
|---|---|---|
| 0721 23456 | +49 721 23456 | +4972123456 |
Try it now
Pre-filled with a 721 sample number. Edit it and click "Try It" to see the parsed result.
Cities and Regions
Locations served by the 721 area code, according to Google's libphonenumber.
- · Karlsruhe
How to Dial Germany Numbers
From abroad
Dial +49 followed by the national number, dropping any leading 0.
Within Germany
Dial 0 before the local number to make a domestic call.
Dialing out of Germany
Dial 00 followed by the destination country code and number.
Nearby Germany Area Codes
Frequently Asked Questions
Where is the 721 area code?
└ The 721 area code covers Karlsruhe in Germany.
How do I dial a 721 number?
└ From abroad, dial +49 721 followed by the local number. Within Germany, dial 0721 before the local number.