Use APKPure App
Get Find Eircode Shortcut old version APK for Android
Link to Eircode site and GPS & OpenPostcode for everywhere that isn't a mailbox.
Link to Eircode site and map with built-in GPS & OpenPostCode for non-mailbox locations, for when you want a free and open alternative or you're just out-in-the-open. Track and send your GPS location.