CH Switzerland Major Regions Postal Code Details
🏛️ Rheintal · San Gallo
9450
Altstätten
9434
Au
9436
Balgach
9442
Berneck
9444
Diepoldsau
9453
Eichberg
9435
Heerbrugg
9452
Hinterforst
9463
Kobelwald
9451
Kriessern
9464
Lienz
9450
Lüchingen
9437
Marbach
9462
Montlingen
9463
Oberriet
9445
Rebstein
9424
Rheineck
9464
Rüthi
9444
Schmitter
9430
St. Margrethen
9443
Widnau
📮CH Switzerland Regional Postal Code FAQ & Postal Regulations
🔢 How many digits is a Swiss postal code?
Swiss postal codes consist of 4 digits (e.g., 8001 for Zürich).
🌐 How to find a Swiss postal code?
Use the postal code lookup tool on Swiss Post's official website (www.post.ch) by entering an address or city name.
📮 Is the postal code mandatory for mail to Switzerland?
Yes! The 4-digit code is essential for mail sorting. Omission may cause delays or failed delivery.
📦 Format for international parcels?
Write the postal code and city on the last address line (e.g., 8001 Zürich), with 'SWITZERLAND' on a separate line below.