CH Switzerland Major Regions Postal Code Details

🏛️ Rheinfelden · Argovie
4316
Hellikon
Hellikon rheinfelden argovie 4316 Switzerland
4303
Kaiseraugst
Kaiseraugst rheinfelden argovie 4303 Switzerland
4312
Magden
Magden rheinfelden argovie 4312 Switzerland
4313
Möhlin
Möhlin rheinfelden argovie 4313 Switzerland
4322
Mumpf
Mumpf rheinfelden argovie 4322 Switzerland
4324
Obermumpf
Obermumpf rheinfelden argovie 4324 Switzerland
4305
Olsberg
Olsberg rheinfelden argovie 4305 Switzerland
4310
Rheinfelden
Rheinfelden rheinfelden argovie 4310 Switzerland
4313
Riburg
Riburg rheinfelden argovie 4313 Switzerland
4325
Schupfart
Schupfart rheinfelden argovie 4325 Switzerland
4332
Stein
Stein rheinfelden argovie 4332 Switzerland
4323
Wallbach
Wallbach rheinfelden argovie 4323 Switzerland
4317
Wegenstetten
Wegenstetten rheinfelden argovie 4317 Switzerland
4314
Zeiningen
Zeiningen rheinfelden argovie 4314 Switzerland
4315
Zuzgen
Zuzgen rheinfelden argovie 4315 Switzerland

📋 Switzerland Address and Delivery Guidance

📮
Use a Complete Delivery Address:

Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.

🌍
Follow Local Address Conventions:

Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.

✅
Verify Before Dispatch:

Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.

💡
Delivery Information Is Context-Specific:

Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.

Postal information, sources and verification

Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.

Editorial and service accountability

This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.

This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.

Privacy, terms and disclaimer

Your search terms are handled under our Privacy Policy. Review our Terms of Service and disclaimer before relying on any logistics or delivery information.

📮Switzerland Postal FAQ and delivery guidance

🔢 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.