The area code (phone code) 037603 is assigned to 2 locations in Germany. Mainly you reach landlines in Wildenfels bei Zwickau (Sachsen).
|037603||Wildenfels bei Zwickau|
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 Wildenfels bei Zwickau. So you can dial +4937603... and add the number of the phone line you want to reach.