Swiss postcode area · St. Gallen · Wahlkreis St. Gallen
Postcode 9100 (Herisau) is a Swiss postal area in the canton of St. Gallen, Wahlkreis St. Gallen district. It serves around 10 491 residents across 25.2 km², with 2 870 mapped buildings.
Map
9100 and 9 neighbouring postcodesThe map shows postcode 9100 in red alongside its 9 neighbouring postal areas. Hover any area to see its figures; click to pin the detail panel.
Cities & Towns
12 placesPostcode 9100 covers 12 named places. The largest by population is Herisau, home to around 15 943 people.
Herisau Town 15 943 → Burg Hamlet — → Halden Hamlet — → Hinterhof Hamlet — → Mösli Hamlet — → Nassenberg Hamlet — → Ramsen Hamlet — → Schachen b. Herisau Hamlet — → Schwänberg Hamlet — → Schwänberg Hamlet — → Sturzenegg Hamlet — → Zellersmüli Hamlet — →Neighbouring Postcodes
9 adjacent areasPostcode 9100 shares a border with 9 other postal areas. The most populous neighbour is 9200 (Gossau SG), with around 17 889 residents. Click any row to highlight it on the map.
| Code | Name | Population | Buildings | Area km² | |
|---|---|---|---|---|---|
| 9014 | Bruggen | 707 | 1 324 | 3.92 | View |
| 9015 | Hafnersberg | 1 352 | 609 | 4.84 | View |
| 9063 | Stein AR | 2 040 | 234 | 9.36 | View |
| 9064 | Hundwil | 784 | 237 | 10.72 | View |
| 9103 | Schwellbrunn | 2 454 | 332 | 17.42 | View |
| 9104 | Waldstatt | 936 | 575 | 6.75 | View |
| 9113 | Degersheim | 5 986 | 952 | 16.43 | View |
| 9200 | Gossau SG | 17 889 | 2 559 | 27.5 | View |
| 9230 | Flawil | 7 930 | 2 066 | 13.22 | View |
Postal Services
13 facilitiesPostcode 9100 has 13 mapped postal facilities: 3 post offices, 10 letter boxes.
| # | Address | Collection times |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | 3-9100-21127 | Mo-Fr 11:30; Sa 10:00 |
| 4 | Mo-Fr 17:00 | |
| 5 | ||
| 6 | ||
| 7 | ||
| 8 | 3-9100-20540 | Mo-Fr 11:30 |
| 9 | ||
| 10 |
Regional Context
Frequently Asked Questions about 9100
Quick answersWhere is postcode 9100 located?
Postcode 9100 (Herisau) is located in the canton of St. Gallen, Wahlkreis St. Gallen district, Switzerland. It belongs to the 9xxxxxx prefix zone.
Is 9100 a valid Swiss postcode?
Yes, 9100 is a valid 4-digit Swiss postal code (German: PLZ / Postleitzahl; French: NPA / numero postal d’acheminement; Italian: CAP / codice di avviamento postale). It is assigned to Herisau in the canton of St. Gallen.. Swiss Post assigns postcodes; a single locality can have multiple postcodes and one postcode may span several localities.
What canton is postcode 9100 in?
Postcode 9100 is in the canton of St. Gallen, one of the 26 cantons of Switzerland. Within the canton it falls under the Wahlkreis St. Gallen district.
What is the population of postcode 9100?
Postcode 9100 has a population of around 10 491 residents across 25.20 km² km², giving a population density of 416 people per km² people per km².
How large is the area covered by postcode 9100?
Postcode 9100 covers 25.20 km² (roughly 9.73 square miles), containing 2 870 mapped buildings according to OpenStreetMap.
What places are in postcode 9100?
Postcode 9100 covers 12 places: Herisau (15 943), Burg, Halden, Hinterhof, Mösli, Nassenberg, Ramsen, Schachen b. Herisau, Schwänberg, Schwänberg, Sturzenegg, Zellersmüli .
What postcodes are next to 9100?
Postcode 9100 borders 9 postcodes: 9014 (Bruggen), 9015 (Hafnersberg), 9063 (Stein AR), 9064 (Hundwil), 9103 (Schwellbrunn), 9104 (Waldstatt), 9113 (Degersheim), 9200 (Gossau SG), 9230 (Flawil) .
What is the 9xxx prefix zone?
The 9xxxxxx zone groups all Swiss postcodes that start with 9xxx. This zone contains 187 postal codes postal codes, serving a combined population of around 472 322 across 1 804 km² km². In Switzerland, the first digit of a postcode broadly indicates the region: 1xxx = western Switzerland / Geneva area, 2xxx = Neuchatel / Jura, 3xxx = Bern region, 4xxx = Basel / Aargau, 5xxx = Aargau / Zurich west, 6xxx = Lucerne / Central Switzerland, 7xxx = Graubunden, 8xxx = Zurich / Eastern Switzerland, 9xxx = Eastern Switzerland / St. Gallen.
What postal services are available in 9100?
Postcode 9100 has 13 postal facilities, including 3 post offices, and 10 letter boxes.
How many buildings are in postcode 9100?
According to OpenStreetMap data, postcode 9100 contains 2 870 mapped buildings, a density of around 114 buildings per km² buildings per km². Building data comes from OSM contributors and may not include every structure.