The area code (phone code) 08321 is assigned to 4 locations in Germany. Mainly you reach landlines in Sonthofen, Oberallgäu (Bayern).
|08321||Burgberg im Allgäu|
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 Sonthofen, Oberallgäu. So you can dial +498321... and add the number of the phone line you want to reach.