Location information
PLZ 9657- Postal code
- 9657
- Place name
- Unterwasser
- Municipality
- Wildhaus-Alt St. Johann
- Canton
- St. GallenSG
- Language
- German (Deutsch)
- Area
- 19.7 km²
Geographic coordinates
swisstopo- Latitude
- 47.199000°
- Longitude
- 9.310700°
- Municipality key (BFS)
- 3359
About this postal code
Postal code 9657 serves the area of Unterwasser in the canton of SG, Switzerland. The municipality is identified by the official key 3359. The primary language in this region is German.
Localities
swisstopo · 1Taxes in Wildhaus-Alt St. Johann
ESTV · 2026Municipal tax multiplier118%
Cantonal tax multiplier105%
Tax multipliers apply per municipality — shown for Wildhaus-Alt St. Johann.
Tax rank 48 of 75 in canton St. GallenAccessibility (municipality of Wildhaus-Alt St. Johann)
ARE · NPVMMajor centrePT 143 min · Car 93 min
Remotest municipalities →Electricity (municipality of Wildhaus-Alt St. Johann)
ElCom · 2027 · BFESecond homes63.9 %
Second Homes Act: no new second-home permits (official building restriction in force).
Health-insurance premiums
BAG · 2024Premium regionRegion 3
Ø premium in canton St. Gallen377 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo
Premiums are set per canton and premium region. This area lies in premium region 3 of canton St. Gallen. Shown is the average adult premium paid across the whole canton St. Gallen (2024, BAG) — a region-specific average is not available in the cantonal data.
Nearby postal codes
swisstopo- Where is postal code 9657?
- Postal code 9657 covers Unterwasser in the municipality of Wildhaus-Alt St. Johann, canton SG.
- Which municipality does postal code 9657 belong to?
- Postal code 9657 belongs to Wildhaus-Alt St. Johann, canton SG.
- Which district (Bezirk) is postal code 9657 in?
- Every municipality of postal code 9657 lies in Wahlkreis Toggenburg (canton SG).