You can find all ZIP codes of every town in Taiwan in this website. For shipments to Taiwan, you will only need three-digit ZIP codes. Five-digit ZIP codes are optional. If your carriers require five-digit ZIP codes, you can just add two zeros at last. For example, if the zip code is 123, you can also use 12300 for shipping purposes.
The Zip Code of Xinzhuang, New Taipei City, Taiwan
