4305
OlsbergThis postal code extends over 3 municipalities: postal delivery areas do not follow municipal borders.
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Location information
PLZ 4305Geographic coordinates
swisstopo- Latitude
- 47.521900°
- Longitude
- 7.783700°
- Municipality key (BFS)
- 4257
About this postal code
Postal code 4305 serves the area of Olsberg in the canton of AG, Switzerland. The municipality is identified by the official key 4257. The primary language in this region is German.
Which locality is in which municipality?
swisstopo · 3Municipalities in this postal code area
swisstopo · 3Localities
swisstopo · 1Taxes in Olsberg
ESTV · 2026Municipal tax multiplier92%
Cantonal tax multiplier103%
Tax multipliers apply per municipality — shown for Olsberg.
Tax rank 25 of 196 in canton AargauAccessibility (municipality of Olsberg)
ARE · NPVMMajor centrePT 46 min · Car 24 min
Remotest municipalities →Electricity (municipality of Olsberg)
ElCom · 2027 · BFESecond homes10.7 %
Health-insurance premiums
BAG · 2024Ø premium in canton Aargau392 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 Aargau (2024, BAG) — it applies canton-wide, not to any single location.
Nearby postal codes
swisstopo- Where is postal code 4305?
- Postal code 4305 lies in 3 municipalities: Olsberg, Arisdorf, Magden (canton AG). Postal codes are delivery areas and do not follow municipal borders.
- Which localities and municipalities does postal code 4305 comprise?
- Postal code 4305 covers 1 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. Olsberg, Arisdorf & Magden. Olsberg: Olsberg, Arisdorf, Magden.