Postal Code 21010 covers 6 municipalities: Arsago Seprio,Cardano al Campo,Ferno,Golasecca,Maccagno con Pino e Veddasc and Porto Valtravaglia. 21010 is located in the Province of Varese and the Region of Lombardy. Other locations within this postal code include Besnate,Caldè,Dumenza,Montegrino Valtravaglia and Vizzola Ticino.