Basel-City postal codes — Switzerland

Basel-City is a canton of Switzerland, made up of one city, 40 (Basel-Stadt).

Towns in Basel-City include Basel, Bettingen and Riehen, together with the surrounding localities whose postal codes are listed above.

How postal codes work in Basel-City

Switzerland uses a single national postal-code format, written as 9999. Four digits, numeric only. Codes in Basel-City follow that format like everywhere else in the country, for example 4020 for Basel.

Codes listed here for Basel-City begin with one of these prefixes: 40 and 41. Each prefix covers the delivery areas of one part of the canton.

Postal codes across Switzerland, Basel-City 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-City follows that same order:

Recipient name
[Street name] [House number], 4020 Basel

What this dataset covers

This reference dataset lists 26 postal codes for Basel-City across its cities, each paired with its locality and, where the source provides them, coordinates and a time zone.