For calls to Villingen-Schwenningen please enter the dialling code 07721 and then the number of the person or household you want to reach.
| 07721 | Phone Code: Classic spelling |
|---|---|
| +497721 | With german country code +49 |
| +49(0)7721 | With country code +49 and optional 0 |
| 00497721 | With country code 0049 |
| (07721) | Telephone code in brackets |
| 07721- | With hyphen as separator to the phone number |
| 07721/ | With slash as a separator to the phone number |