
Postal Code 9100 - Herisau, Kanton Appenzell Ausserrhoden, Switzerland
Postal Code: 9100
Postal System Details
Postal Authority
Swiss Post (Die Schweizerische Post)
Postal System
Four-digit numeric postal code
Region Structure
Canton → District → Municipality → Delivery Zone
Area Information
The postal code 9100 is part of Switzerland’s four-digit postal system, administered by Swiss Post, the national postal authority of Switzerland. Swiss postal codes follow the numeric format X X X X, such as 8 0 0 1 (example only). The digits classify canton- and district-level sorting, followed by municipal and localized routing divisions. This postal code corresponds to Herisau in the Kanton Appenzell Ausserrhoden canton, near coordinates 47.3833 and 9.2813. Postal routing follows Canton → District → Municipality → Delivery Zone. Example mapping: - Canton: Kanton Appenzell Ausserrhoden - District: (Example: Central District) - Municipality: Herisau - Delivery Zone: Determined by final digits This page reflects Swiss Post’s routing standards. All examples are illustrative. For accurate delivery or address confirmation, ensure municipality and district match Herisau, Kanton Appenzell Ausserrhoden, Switzerland.
Country:
Switzerland
State:
Kanton Appenzell Ausserrhoden
Area:
Herisau
Postal Code:
9100
Latitude:
47.3833
Longitude:
9.2813
Frequently Asked Questions
1. What area does 9100 serve in Switzerland?
It represents the municipality-level delivery area for Herisau within the Kanton Appenzell Ausserrhoden canton.
2. How does Switzerland’s postal code system work?
It uses a four-digit numeric structure defining canton, district, and municipal routing.
3. Can 9100 verify an address in Switzerland?
Yes—if municipality and district correspond with Herisau, Kanton Appenzell Ausserrhoden.
4. Which authority manages postal codes in Switzerland?
Swiss Post manages the national postal routing and numbering system.
