The area code (phone code) 03929 is assigned to 2 locations in Germany. Mainly you reach landlines in Bördeland (Sachsen-Anhalt).
|03929||Insel bei Stendal|
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 Bördeland. So you can dial +493929... and add the number of the phone line you want to reach.