
Postal Code 6637 - Sonogno, Ticino, Switzerland
Postal Code: 6637
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 6637 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 Sonogno in the Ticino canton, near coordinates 46.3648 and 8.7574. Postal routing follows Canton → District → Municipality → Delivery Zone. Example mapping: - Canton: Ticino - District: (Example: Central District) - Municipality: Sonogno - 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 Sonogno, Ticino, Switzerland.
Country:
Switzerland
State:
Ticino
Area:
Sonogno
Postal Code:
6637
Latitude:
46.3648
Longitude:
8.7574
Frequently Asked Questions
1. What area does 6637 serve in Switzerland?
It represents the municipality-level delivery area for Sonogno within the Ticino 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 6637 verify an address in Switzerland?
Yes—if municipality and district correspond with Sonogno, Ticino.
4. Which authority manages postal codes in Switzerland?
Swiss Post manages the national postal routing and numbering system.
