4500
SolothurnThis postal code extends over 5 municipalities: postal delivery areas do not follow municipal borders.
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Location information
PLZ 4500Geographic coordinates
swisstopo- Latitude
- 47.210000°
- Longitude
- 7.532300°
- Municipality key (BFS)
- 2601
About this postal code
Postal code 4500 serves the area of Solothurn in the canton of SO, Switzerland. The municipality is identified by the official key 2601. The primary language in this region is German.
Which locality is in which municipality?
swisstopo · 5Municipalities in this postal code area
swisstopo · 5Localities
swisstopo · 1Taxes in Solothurn
ESTV · 2026Municipal tax multiplier112%
Cantonal tax multiplier104%
Tax multipliers apply per municipality — shown for Solothurn.
Tax rank 25 of 104 in canton SolothurnAccessibility (municipality of Solothurn)
ARE · NPVMMajor centrePT 60 min · Car 41 min
Remotest municipalities →Electricity (municipality of Solothurn)
ElCom · 2027 · BFESecond homes13.3 %
Health-insurance premiums
BAG · 2024Ø premium in canton Solothurn424 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo
Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Solothurn (2024, BAG) — it applies canton-wide, not to any single location.
Nearby postal codes
swisstopo- Where is postal code 4500?
- Postal code 4500 lies in 5 municipalities: Solothurn, Biberist, Rüttenen, Bellach, Zuchwil (canton SO). Postal codes are delivery areas and do not follow municipal borders.
- Which localities and municipalities does postal code 4500 comprise?
- Postal code 4500 covers 1 localities across 5 municipalities. A postal code is a delivery area and does not follow municipal borders — the pairing is spelled out row by row. Solothurn, Biberist, Rüttenen, Bellach & Zuchwil. Solothurn: Solothurn, Biberist, Rüttenen, Bellach, Zuchwil.