The Irish
mail sorting machine is now capable of reading 4-5 line addresses as fast as an
average machine can read a postcode. Hence Irish addresses do away with
postcodes. When mail first enters the sorting process, the envelopes are
imprinted with serial barcodes. These barcodes enable machinery to constantly
read and check the correct sorting pathway of the mail throughout the sorting
process. If the address is recognized amongst a database of addresses
nationwide, the address information is directly inputted from the database
against the mail's assigned barcode.