For calls to Grieben (Kreis Oberhavel) please enter the dialling code 033086 and then the number of the person or household you want to reach.
| 033086 | Phone Code: Classic spelling |
|---|---|
| +4933086 | With german country code +49 |
| +49(0)33086 | With country code +49 and optional 0 |
| 004933086 | With country code 0049 |
| (033086) | Telephone code in brackets |
| 033086- | With hyphen as separator to the phone number |
| 033086/ | With slash as a separator to the phone number |