aiwan 3+3 Postal Code
Chengchung Chiu Productivity iPhoneiPadiPod touch
aiwan 3+3 Postal Code is a free Productivity app for iPhone and iPad by Chengchung Chiu. Requires iOS 13.0. Updated August 1, 2026.
- Price
- Free
- on the App Store
- Size
- 28 MB
- Age 4+
- Updated
- Aug 1
- 2026 · v2.9.31
Screenshots
About aiwan 3+3 Postal Code
To improve mail processing and delivery efficiency, Chunghwa Post introduced Taiwan’s 3+3 postal code system. The 3+3 postal code contains six digits. The first three digits represent the administrative area, while the last three digits provide a more detailed delivery section code. This more precise postal code system helps improve mail sorting efficiency and delivery accuracy. It helps you quickly find the correct six-digit postal code for sending letters, parcels, completing online forms, or managing address information. Main features: • Search Taiwan 3+3 postal codes • Search by city, district, road, or address • Find the complete six-digit postal code • Simple and easy-to-use interface Quickly find the correct postal code whenever you need to send mail or enter a Taiwan address.
What’s new
Version 2.9.31 · Updated August 1, 2026
update data.
App privacy
The developer, Chengchung Chiu, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Precise Location, Coarse Location
- Identifiers: Device ID
- Usage Data: Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Precise Location, Coarse Location
- Identifiers: Device ID
- Diagnostics: Other Diagnostic Data
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality
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