Postal code

Taiwan postal codes

Q: What is the postal code format in Taiwan?

Taiwan postal codes follow the pattern ##### (# = digit, @ = letter), i.e. 5 digits. Examples: 104, 106, 10603, 40867.

Q: What regex validates Taiwan postal codes?

^(?:\d{3}(?:\d{2,3})?)$ matches the official format (from Google's address metadata). It checks the shape only; whether a code exists needs a lookup in a postal code database such as the zipcodestack API.

Taiwan postal codes have the format ##### (5 digits), for example 104. zipcodestack has 6,006 postal codes for Taiwan.

Format: #####
Example: 104
Codes in our database: 6,006
Local name: 郵遞區號

Taiwan postal code format

Pattern	##### (# digit, @ letter)
Examples	104, 106, 10603, 40867
Regex	`^(?:\d{3}(?:\d{2,3})?)$`
Official lookup	www.post.gov.tw

Format and regex from Google's address metadata (libaddressinput). The regex checks the shape of a code, not whether it exists.

Taiwan postal codes: FAQ

What is the postal code format in Taiwan?

Taiwan postal codes follow the pattern ##### (# = digit, @ = letter), i.e. 5 digits. Examples: 104, 106, 10603, 40867.

What regex validates Taiwan postal codes?

^(?:\d{3}(?:\d{2,3})?)$ matches the official format (from Google's address metadata). It checks the shape only; whether a code exists needs a lookup in a postal code database such as the zipcodestack API.

How many postal codes are there in Taiwan?

The zipcodestack database contains 6,006 postal codes for Taiwan, each with place name, region and coordinates.

Postal code API

Look up Taiwan postal codes by API

zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.

/v1/search documentation International postal code API All documentation

300 free requests every month. No credit card required.

GET https://api.zipcodestack.com/v1/search?codes=104&country=tw

{
  "results": {
    "104": [{
      "postal_code": "104",
      "country_code": "TW",
      "city": "…",
      "state": "…",
      "latitude": …,
      "longitude": …
    }]
  }
}

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