Location information
PLZ 4001- Postal code
- 4001
- Place name
- Basel
- Municipality
- Basel
- Canton
- Basel-CityBS
- Language
- German (Deutsch)
- Area
- 0.1 km²
- City quarters
- Grossbasel Altstadt100.0%
Geographic coordinates
swisstopo- Latitude
- 47.556300°
- Longitude
- 7.589000°
- Municipality key (BFS)
- 2701
About this postal code
Postal code 4001 serves the area of Basel in the canton of BS, Switzerland. The municipality is identified by the official key 2701. The primary language in this region is German.
City quarters
BFS · 2024Postal code 4001 Basel covers parts of several statistical city quarters — a postal code is a delivery area, not a single neighbourhood: Grossbasel Altstadt.
Share by area of the postal-code perimeter that falls in each BFS statistical quarter (City Statistics cities only). Percentages are of the postal code, not of the quarter.
Postal code × quarter (derived) 2024 · Bundesamt für Statistik (BFS), GEOSTAT · swisstopo, retrieved 31.08.2026
Localities
swisstopo · 1Taxes in Basel
ESTV · 2026Municipal tax multiplier50%
Cantonal tax multiplier50%
Tax multipliers apply per municipality — shown for Basel.
Tax rank 3 of 3 in canton Basel-CityAccessibility (municipality of Basel)
ARE · NPVMMajor centrePT 11 min · Car 8 min
Remotest municipalities →Electricity (municipality of Basel)
ElCom · 2026 · BFENearby postal codes
swisstopoFrequently asked questions
- Where is postal code 4001?
- Postal code 4001 covers Basel in the municipality of Basel, canton BS.
- Which municipality does postal code 4001 belong to?
- Postal code 4001 belongs to Basel, canton BS.