diff --git a/src/Form/EventListener/GenerateAddressFieldsSubscriber.php b/src/Form/EventListener/GenerateAddressFieldsSubscriber.php
index <HASH>..<HASH> 100644
--- a/src/Form/EventListener/GenerateAddressFieldsSubscriber.php
+++ b/src/Form/EventListener/GenerateAddressFieldsSubscriber.php
@@ -175,6 +175,7 @@ class GenerateAddressFieldsSubscriber implements EventSubscriberInterface
             AddressFormatInterface::ADMINISTRATIVE_AREA_TYPE_STATE => 'State',
             AddressFormatInterface::POSTAL_CODE_TYPE_POSTAL => 'Postal Code',
             AddressFormatInterface::POSTAL_CODE_TYPE_ZIP => 'ZIP code',
+            AddressFormatInterface::POSTAL_CODE_TYPE_PIN => 'PIN code',
         );
 
         // Determine the correct administrative area label.
diff --git a/src/Model/AddressFormatInterface.php b/src/Model/AddressFormatInterface.php
index <HASH>..<HASH> 100644
--- a/src/Model/AddressFormatInterface.php
+++ b/src/Model/AddressFormatInterface.php
@@ -37,6 +37,7 @@ interface AddressFormatInterface
     // Postal code types.
     const POSTAL_CODE_TYPE_POSTAL = 'postal';
     const POSTAL_CODE_TYPE_ZIP = 'zip';
+    const POSTAL_CODE_TYPE_PIN = 'pin';
 
     /**
      * Gets the two-letter country code.
Add the PIN postal code type (used by India).