CH Switzerland Major Regions Postal Code Details

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

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📮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.