Location information
PLZ 4123- Postal code
- 4123
- Place name
- Allschwil
- Municipality
- Allschwil
- Canton
- Basel-LandschaftBL
- Language
- German (Deutsch)
Geographic coordinates
swisstopo- Latitude
- 47.551900°
- Longitude
- 7.546500°
- Municipality key (BFS)
- 2762
About this postal code
Postal code 4123 serves the area of Allschwil in the canton of BL, Switzerland. The municipality is identified by the official key 2762. The primary language in this region is German.
Taxes in Allschwil
ESTV · 2026Municipal tax multiplier58%
Cantonal tax multiplier100%
Tax multipliers apply per municipality — shown for Allschwil.
Tax rank 29 of 86 in canton Basel-LandschaftNearby postal codes
swisstopoFrequently asked questions
- Where is postal code 4123?
- Postal code 4123 covers Allschwil in the municipality of Allschwil, canton BL.
- Which municipality does postal code 4123 belong to?
- Postal code 4123 belongs to Allschwil, canton BL.