Coat of arms of Basel-City canton, Switzerland

Basel-City

(Basel-Stadt · مدينة بازل · Basilea-Ciutat)

Canton · Administrative region

Capital: Basel

196 672
Population
37 km²
Area
Official language: German

Cities & Towns

Top 28 places

Postcodes

16 postcode areas

Basel-City has 16 postcode areas, covering roughly 209 km² and 190 683 mapped buildings. Postcode in Basel-City start with 4 (covering 4xxx), placing the canton in this Swiss postal zone. The most built-up postcode is 4125, with around 5 039 buildings. The map shades each postcode area by code number, so you can see at a glance how the Basel-City postal zones are laid out geographically.

16
Total postcodes
190 683
Buildings
209 km²
Total area
2 073
Avg. buildings
2.3 km²
Avg. area
205
Cities covered
1
Prefix zones
Colour by
# Code Name Buildings Population Area km²
1 n/a 5 039 63 940 10.87
2 n/a 3 784 29 336 4.99
3 n/a 3 592 8 982 1.9
4 n/a 2 632 18 896 3.75
5 n/a 2 614 7 083 1.5
6 n/a 2 550 12 168 2.58
7 n/a 2 394 15 916 3.37
8 n/a 2 300 14 285 1.94
9 n/a 2 195 7 744 1.64
10 n/a 1 868 9 364 1.98
11 n/a 398 14 300 2.23
12 n/a 323 346 0.07
13 n/a 20 564 0.12
14 n/a 11 46 0.01
15 n/a 6 25 0.01
16 n/a 5 10 n/a

Basel-City has 1423 mapped postal facilities: 100 post offices, 1278 post boxes, 45 parcel lockers. Swiss Post runs a wide network of branches and automated MyPost 24 parcel lockers across the canton.

Basel 5 St. Clara · 4058 Basel
Bäumlihof
Filiale 4019 Basel 19 Kleinhüningen · 4057 Basel
Filiale Basel 10 Elisabethen · 4051 Basel
Filiale Basel 12 Kannenfeld · 4055 Basel
Filiale Basel 15 Neuweilerplatz · 4054 Basel
Filiale Basel 18 Gundeldingen · 4053 Basel
Filiale Basel 2 Bahnhof
Filiale Basel 3 Spalen · 4051 Basel
Filiale Basel 7 Horburg · 4057 Basel
Filiale Basel 9 Ahorn
Filiale Riehen 1 · 4125 Riehen

Transport

25 lines, 106 routes

Click a route on the map to see its details.

bus 18 lines
tram 7 lines
Lines 25
Routes 106
Total network length 617.1 km
Operators 6
Longest line 34: 65.5 km
Most stops 36: 69 stops

Basel-City has 617.1 km of public transport routes across 25 lines and 106 services, run by 6 operators.

Full transport breakdown

Population and Building Density

by municipality (Gemeinde borders)

Hover over a municipality to see its figures.

Public Holidays

18 holidays in 2026 & 2027

Basel-City observes 9 public holidays in 2026. Alongside the Swiss national holidays, Basel-City has 5 canton-specific holidays.

Date Holiday Day Scope
01.01.2026 New Year's Day Thursday National
03.04.2026 Good Friday Friday Canton
06.04.2026 Easter Monday Monday Canton
01.05.2026 Labor Day Friday Canton
14.05.2026 Ascension Day Thursday National
25.05.2026 Whit Monday Monday Canton
01.08.2026 National Day Saturday National
25.12.2026 Christmas Day Friday National
26.12.2026 Saint Stephen's Day Saturday Canton

Heraldry

Official heraldry, free to download

These are the official heraldic symbols of Basel-City. The images come from Wikimedia Commons and can be downloaded below in SVG (scales to any size) or PNG (600 x 600 px).


Questions about Basel-City

Quick answers
What is the capital city of Basel-City?

The capital of Basel-City is Basel, with around 174 491 residents.

How many people live in Basel-City?

Around 196 672 people call Basel-City home, spread across 37 km².

How big is Basel-City?

Basel-City takes up 37 km², which is roughly 14 square miles.

Is Basel-City a canton or a city?

Basel-City is a canton, one of 26 member states of the Swiss Confederation. Each one has its own constitution, parliament, government, and courts. Its administrative capital is Basel.

What language is spoken in Basel-City?

The official language of Basel-City is German.

What postal codes does Basel-City use?

Basel-City uses 16 postal code areas. Swiss codes are always 4 digits long. Codes here start with 4.