For calls to Gengenbach please enter the dialling code 07803 and then the number of the person or household you want to reach.
| 07803 | Phone Code: Classic spelling |
|---|---|
| +497803 | With german country code +49 |
| +49(0)7803 | With country code +49 and optional 0 |
| 00497803 | With country code 0049 |
| (07803) | Telephone code in brackets |
| 07803- | With hyphen as separator to the phone number |
| 07803/ | With slash as a separator to the phone number |