List of Dublin postal districts

Dublin postal districts have been used by Ireland's postal service, known as An Post, to sort mail in Dublin. The system is similar to that used in cities in Europe and North America until they adopted national postal code systems in the 1960s and '70s. These were incorporated into a new national postcode system, known as Eircode, which was fully implemented in 2015.[1] Under the new Eircode system, the Dublin Region incorporates the original routing areas D01 to D24, along with new A## and K## codes for the remainder of the county.


The green Leeson Street nameplate predates inclusion of postal districts; the newer blue Hatch Street nameplate indicates the district is Dublin 2

The postal district system was introduced in 1917 by the British government, as a practical way to organise local postal distribution. This followed the example of other cities, notably London, first subdivided into ten districts in 1857, and Liverpool, the first city in Britain or Ireland to have postcodes, from 1864. The letter "D" was assigned to designate Dublin. The new Irish government retained the postal district system, but district numbers were not used by the public until 1961, when they were added to street signs. Prior to 1961, street signs only displayed the street name in Irish and English.

The number of districts was increased as the city grew, and in the 1970s, large districts were subdivided. Dublin 5 was split, with the coastal part retaining the "5" and the inland part becoming Dublin 17. Dublin 8, Ballyfermot, one of the city's fastest growing suburbs, became Dublin 10, along with Palmerstown and Chapelizod. However, Dublin 10 was subsequently split again, with Palmerstown and Chapelizod forming Dublin 20.[2]

In 1985, Dublin 6 was divided, with some areas, such as Templeogue, Kimmage and Terenure becoming part of a new district in order to facilitate processing of mail by a new delivery office for those areas. Residents of some areas objected to the assignation of the next available number, "Dublin 26," for the new postal district, citing property devaluation: the higher numbered districts typically represented less affluent and less central areas.[3] An Post ultimately relented, and the district became known as Dublin 6W. However, the eastern half of the old D6 postcode area remained "Dublin 6" rather than "Dublin 6E".


Street sign in Dublin, displaying name of the street in Irish and English, with postal district number

The postal district appears with one or two digits (or in the case of one district, a digit and a letter) appearing at the end of addresses, e.g.:

Under the new Eircode system this address is amended to:

In most cases, odd numbers are used for addresses on the Northside of the River Liffey, while even numbers are on addresses on the Southside. Exceptions to this are the Phoenix Park (along with a small area between the Park and the River Liffey), and Chapelizod Village which, although on the Northside, are parts of the Dublin 8 and Dublin 20 postal districts respectively.

The numbering system is not used for some areas in County Dublin, such as Dún Laoghaire, Blackrock, Lucan or Swords, though it is used for other county locations, for example Firhouse, Foxrock, Kilshane, Knocklyon and Tallaght.

Dublin's postal districts
Northside, covering local government area    Southside, covering local government area
Dublin 1 (D1) Dublin Dublin 2 (D2) Dublin
Dublin 3 (D3) Dublin Dublin 4 (D4) Dublin, Dun Laoghaire Rathdown
Dublin 5 (D5) Dublin Dublin 6 (D6) Dublin, Dún Laoghaire Rathdown
Dublin 7 (D7) Dublin Dublin 6W (D6W) Dublin, South Dublin
Dublin 8 (D8) Dublin Dublin 8 (D8) Dublin
Dublin 9 (D9) Dublin Dublin 10 (D10) Dublin
Dublin 11 (D11) Dublin, Fingal Dublin 12 (D12) Dublin
Dublin 13 (D13) Dublin, Fingal Dublin 14 (D14) Dublin, Dún Laoghaire–Rathdown, South Dublin
Dublin 15 (D15) Fingal Dublin 16 (D16) Dún Laoghaire–Rathdown, South Dublin
Dublin 17 (D17) Dublin, Fingal Dublin 18 (D18) Dún Laoghaire–Rathdown
Dublin 20 (D20) Dublin, South Dublin
Dublin 22 (D22) South Dublin
Dublin 24 (D24) South Dublin
"County Dublin"; Fingal, South Dublin, Dún Laoghaire–Rathdown, and small pockets of Meath

An Post has stated that, with just one exception, no street name occurs more than once in any postal district.

Publicly distributed leaflet to publicise the Dublin Postal Districts issued by the Irish Department of Posts and Telegraphs – dated April 1976
2007 Postal Districts for Dublin City and Suburbs

Later developments

Successive Ministers for Communications since 2005 have announced plans to introduce a full postcode system across the state.[5] [6] [7]

On 8 October 2013, Minister for Communications, Energy and Natural Resources, Pat Rabbitte announced [8] a postcode system for the entire country which came into effect by Spring 2015 and gives an individual post code to every address in Ireland. The pre-existing Dublin district numbers are a component of the full postcode for relevant addresses, forming part of the routing code, the first three characters of the code. For example, a code for an address in Dublin 1 would start with D01,[9] followed by four characters, hence Dublin D01 B2CD.


Public awareness of Dublin postal districts allows occasional use in marketing. Dublin n is usually abbreviated to Dn, as in:

See also


  1. New postal code system by 2011, Irish Times, 21 September 2009
  2. It's in the postcode, Irish Independent, 26 September 2009
  3. Postcode war 'in next year', Irish Independent, 21 September 2008
  4. Note: Most of the civil parish of Artaine – the townlands of Artaine South, Artaine West and Puckstown – lies within Dublin 9.
  5. Ryan finalises plans for new postcode system, Sunday Tribune, 3 January 2010
  6. Coyle, Coloin (10 September 2006). "Upmarket Dublin survives postcode shake-up". The Sunday Times. Ireland News. UK. Retrieved 28 September 2008.
  7. Michael, Jason (21 September 2009). "New postal code system by 2011". The Irish Times. Retrieved 28 September 2008.
  8. Rabbitte, Minister Pat (8 October 2013). "RABBITTE GETS GREEN LIGHT FROM CABINET FOR "NEXT GENERATION POSTCODE" SYSTEM BY 2015". Department of Communications, Energy and Natural Resources. Retrieved 21 December 2013.
  9. Frequently Asked Questions. Eircode

External links

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