For calls to Bonndorf im Schwarzwald please enter the dialling code 07703 and then the number of the person or household you want to reach.
| 07703 | Phone Code: Classic spelling |
|---|---|
| +497703 | With german country code +49 |
| +49(0)7703 | With country code +49 and optional 0 |
| 00497703 | With country code 0049 |
| (07703) | Telephone code in brackets |
| 07703- | With hyphen as separator to the phone number |
| 07703/ | With slash as a separator to the phone number |