The Republic of Ireland is one of the few countries in the world and the only member of the European Union that does not use postal codes. However, the country is scheduled to debut a new system at some point in 2015.
The new system is expected to use a seven-character system to assign a unique identity to every building in the country, making it the most detailed postal code system in the world. Mail carriers in Ireland currently rely on their personal knowledge of their assigned areas, since many streets have no names and most houses do not have numbers. Mail to some rural areas is actually delivered by addressing it to the recipient's name only since no address currently exists. The new system is expect to improve not only mail delivery, but also to enable these areas to use GPS navigation aids and improve emergency vehicle response times.