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Ireland Mailing Address Formats and Other International Mailing Information

for mailing letters or packages to or from Ireland,
such as postal rates to (or from) Ireland, finding Irish addresses, Irish postcodes, etc.

Also see Northern Ireland (United Kingdom).

When mailing an envelope or postcard, leave at least the bottom 16 millimeters (5/8 inch) blank on both front and back. (The postal service's reading and sorting machines might need this space to print bar codes on your mail.)

Address Format Information

"Ireland Mailing Address Formats (snail mail)"
An easy-to-understand guide, but potentially misleading on one point: for a few addresses, an extra line above the town/city name may be needed to disambiguate an address.

An Post
Ireland's national postal service.

Basic address formatting guidelines from the An Post website as of 2013, with additions for mailing from outside Ireland to Irish addresses:

You should write your address in Ireland using the following guidelines:

  1. The maximum number of lines for an address is 6, or when mailing from outside Ireland to Irish addresses, possibly 7 including IRELAND as the bottom line.
  2. Each line should start at the same distance from the left hand edge of the cover, i.e. the address should not be written in the indented format.
  3. Each line should be limited to 32 characters.
  4. Individual characters should have a minimum height of 2mm (5/64 inch), a maximum height of 7mm (8/32 inch) and a maximum width of 7mm (8/32 inch). (So character height and width of 1/4 inch to 1/8 inch are certainly within the specified size range.)
  5. The address must be written in a compact form without a blank line between the Post Town or County Name (if required) and the other elements of the address. It is important that no part of the address is underlined.

Note: The Official Postal Address does not contain any abbreviations and An Post recommends that you use the full spelling when addressing a mail piece, for example Road not Rd.

A few addresses are special cases:

  • The post town and county in a mailing address can be different from the real physical location. To ease logistics, a particular area's mail might be delivered through a nearby town in a different county. In this case, the official mailing address might incorporate the "post town" and the post town's county, instead of the physically accurate geography.

  • Locality is an extra line required in a few addresses above the city/town, and optional in others.

    An Post says "The name of the locality or second thoroughfare should...always be included in the address where it is necessary to distinguish between two or more streets in the same postal district, for example"

    Pembroke Cottages
    Dublin 4
    Pembroke Cottages
    Dublin 4

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Postcode Search (find Ireland postcodes / postal codes = 'Irish zip codes')

Most of Ireland happily has no post codes, with the exception of short zone numbers ("postal district numbers") in Dublin (and possibly in Cork city.)

To get these "postal district numbers" for areas that have them, use the next section for address correction.

Address Validation, Verification, and/or Correction

Free Address Correction and Verification provided by the Irish postal service.
Limited number of addresses per day on free plan.

Postal Rates to or from Ireland

Postage calculators and tables showing how much postage you need to mail or ship to and/or from Ireland are at the International Postal Rates Page.

Finding Out Addresses (such as addresses in Ireland / Ireland address search)

See Finding An International Address / Address Search.

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This website addresses such issues as
"How to write an Irish address?"
"How to address mail to Ireland."
"How much postage should I use to mail my letter or package to Ireland?"
"...how much postage to Ireland?"
"Instructions for addressing mail to Ireland."
"Instructions for addressing packages to Ireland."
"How to send mail to Ireland."