Each Eircode is comprised of seven characters that are unique to each mailing address. The seven characters are divided into two parts - a Routing Key and a Unique Identifier.
|D02 X285 |
|Routing Key - D02||Unique Identifier - X285|
|The first three characters of each Eircode, called the "Routing Key" are designed to benefit the postal and logistics industry. The Routing Key will be used to help sort mail, however it is not directly linked to counties, towns or geographic features.||The second part of the Eircode called the "Unique identifier" is comprised of four characters drawn from a carefully selected set of letters and numbers that identify each individual address.|
You do not need to change your address, simply add the Eircode to the last line of your address.