Enabling Postcode Validation – SHOPLINE Help Center

The postcode is crucial for accurately defining the delivery area when processing shipments. Postcode validation helps ensure the accuracy of customers' shipping addresses, reduces communication time, and lowers shipping costs.

Follow this guide to learn how to enable and configure postcode validation for accurate shipping address verification.

Postcode Formats Overview

There are currently 233 countries and regions worldwide, each with its own unique postcode format.

SHOPLINE's postcode validation currently supports the following countries and regions. (Support for additional countries is in progress.)

Countries or Regions	Postcode Validation
United States	5, 9, or 10-digit numbers Supports verification of the first 3 digits of state/province postcodes.
Germany	5-digit numbers
Japan	7-digit numbers
Korea	5-digit numbers
United Kingdom	5 to 7-digit numbers or letters
Greece	5-digit numbers
Czech	5-digit numbers
Spain	5-digit numbers
Portugal	7-digit numbers
Hungary	4-digit numbers
Poland	5-digit numbers or letters
Romania	6-digit numbers
Bulgaria	4-digit numbers
Slovenia	4-digit numbers
Slovakia	5-digit numbers
Croatia	5 to 7-digit numbers or letters
Australia	4-digit numbers
Indonesia	5-digit numbers
Philippines	4-digit numbers
Malaysia	5-digit numbers
Italy	5-digit numbers
Singapore	6-digit numbers
Colombia	6 to 8-digit numbers

Steps to Enable Postcode Validation

To enable postcode validation, follow these steps:

From your SHOPLINE admin panel, go to Settings > Checkout settings.
Locate the Settlement form > Zip/Postal code validation section. Check the box for Enable zip/postal code verification.
Click Update button to save the settings.