The area code (phone code) 033981 is assigned to 4 locations in Germany. Mainly you reach landlines in Putlitz (Brandenburg).
|033981||Berge bei Perleberg|
Note for calls from abroad: In addition to the German country code (+49 or 0049) you can omit the foregoing zero of the dialling code for Putlitz. So you can dial +4933981... and add the number of the phone line you want to reach.