5-Digit Custom Format Applied to 7-digit Japanese Postal Code
Published: 21 Aug 2018 Last Modified Date: 02 Jan 2019
When applying numeric data as a Postal Code, the custom format of the default number format is automatically set as five digits "00000." However, Japanese Postal Codes are seven digits "0000000" and can begin with 0.
A postal code that begins with a 0 results in NULL, and is omitted when handled as numeric.
Tableau Desktop 2018.2
By following the below steps, this will force thePostal Code to display 7 digits:
Right Click on Postal Code in the Dimension Section of the Data Pane