Basel-Country postal codes — Switzerland

Basel-Country is a canton of Switzerland, made up of 5 cities.

Towns in Basel-Country include Allschwil, Rumlingen, Arlesheim, Biel-Benken, Birsfelden and Munchenstein, together with the surrounding localities whose postal codes are listed above.

• Arlesheim
• Laufen
• Liestal
• Sissach
• Waldenburg

How postal codes work in Basel-Country

Switzerland uses a single national postal-code format, written as 9999. Four digits, numeric only. Codes in Basel-Country follow that format like everywhere else in the country, for example 4123 for Allschwil.

Codes listed here for Basel-Country begin with one of these prefixes: 28, 41, 42, 43 and 44. Each prefix covers the delivery areas of one part of the canton.

Postal codes across Switzerland, Basel-Country included, are issued and maintained by Swiss Post. Reference information is available at www.post.ch.

Addressing format

Addresses in Switzerland are written [Street name] [House number], [Postal code] [City], and an address in Basel-Country follows that same order:

Recipient name
[Street name] [House number], 4123 Allschwil

What this dataset covers

This reference dataset lists 50 postal codes for Basel-Country across its cities, each paired with its locality and, where the source provides them, coordinates and a time zone.