4556
Aeschi SOThis postal code extends over 3 municipalities: postal delivery areas do not follow municipal borders.
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Location information
PLZ 4556Geographic coordinates
swisstopo- Latitude
- 47.179200°
- Longitude
- 7.661800°
- Municipality key (BFS)
- 2511
About this postal code
Postal code 4556 serves the area of Aeschi SO in the canton of SO, Switzerland. The municipality is identified by the official key 2511. The primary language in this region is German.
Which locality is in which municipality?
swisstopo · 5Municipalities in this postal code area
swisstopo · 3Localities
swisstopo · 4Taxes in Aeschi
ESTV · 2026Municipal tax multiplier130%
Cantonal tax multiplier104%
Tax multipliers apply per municipality — shown for Aeschi.
Tax rank 93 of 104 in canton SolothurnAccessibility (municipality of Aeschi)
ARE · NPVMMajor centrePT 70 min · Car 42 min
Remotest municipalities →Electricity (municipality of Aeschi)
ElCom · 2027 · BFETariff range H425.19–30.16 Rp./kWh
Roof potential12 GWh/yr
Per inhabitant9'136 kWh/yr
All energy rankings →Second homes8.4 %
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 4556?
- Postal code 4556 lies in 3 municipalities: Aeschi, Bolken, Niederönz (canton SO). Postal codes are delivery areas and do not follow municipal borders.
- Which localities and municipalities does postal code 4556 comprise?
- Postal code 4556 covers 4 localities across 3 municipalities. A postal code is a delivery area and does not follow municipal borders — the pairing is spelled out row by row. Aeschi, Bolken & Niederönz. Aeschi SO: Aeschi; Bolken: Bolken; Burgäschi: Aeschi, Niederönz; Steinhof SO: Aeschi.