page_title: Postal addresses in the Republic of Ireland
section_title: Dublin
hierarchical_section_title: Postal addresses in the Republic of Ireland / Pre-Eircode postal districts / Dublin
caption_attribution_description: English: Bi-lingual Irish/English street sign as used in Dublin showing the Dublin Postal District number for the street Leinster Lane
context_page_description: A "postal address" in the Republic of Ireland is a place of delivery defined by Irish Standard EN 14142-1:2011 and serviced by the universal service provider, An Post. Its addressing guides comply with the guidelines of the Universal Postal Union, the United Nations-affiliated body responsible for promoting standards in the postal industry, across the world.
  In Ireland, 35% of Irish premises have non-unique addresses due to an absence of house numbers or names. In smaller towns and many townlands, this requires postal workers to remember which family names correspond to which house.
  Ireland was the last country in the OECD to create a postcode system, which is called Eircode. In July 2015 all 2.2 million residential and business addresses in Ireland received a letter notifying them of the new Eircode for their address. Unlike other countries, where postcodes define clusters or groups of addresses, an Eircode identifies an individual address and shows exactly where it is located. The system was criticised at its launch.
context_section_description: In Dublin city and its suburbs, a system of postal districts was introduced in 1917 by the Royal Mail with the prefix "D", and retained after Ireland became an independent country, without the prefix. However the use of district numbers by the public did not begin until 1961, when street signs displayed postal district numbers. Prior to that time, street signs only displayed the street name in Irish and English.
  The Dublin system had 22 districts — Dublin 1, 2, 3, 4, 5, 6, 6W, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 22, 24. These were incorporated into the routing keys used by the Eircode national postcode system as D01, D02, D12, D22, etc.
caption: Post-1961 Dublin street sign displaying the street name in Irish and English, with postal district number
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