Postal Code 15030 covers 5 municipalities: Coniolo,Conzano,Olivola,Sala Monferrat and Villanova Monferrato. 15030 is located in the Province of Alessandria and the Region of Piedmont. Other locations within this postal code include Camagna Monferrato,Rosignano Monferrato,San Maurizio di Conzano,Terruggia and Treville.