3,509 Postal Codes in Switzerland

The average area for zip codes in Switzerland is 12.8 km² with the largest being 3920 in Zermatt, Canton du Valais at 242.4 km² and the smallest being 4101 in Basel, Kanton Basel-Stadt at 52,753 m². In Switzerland the average population for a postal code is 2,592 with the most populated being zip code 1202 in Genève, Genève at 41,604. The median age for postal codes in Switzerland range from 28.2 years old for 1854 in Canton de Vaud to 55.9 years old for 6611 in Gresso, Cantone Ticino. The fastest growing postal code is 2067 in Neuchâtel, Neuchâtel with population growth of 175% from 2000 to 2015, an average of 7% per year.