International Standard Serial Number (ISSN)

An ISSN is an 8-digit code used to identify newspapers, journals, magazines and periodicals of all kinds and on all media - print and electronic.

Irish ISSN Centre

The Irish ISSN Centre at the National Library of Ireland is one of a network of over 90 national centres worldwide.  It is responsible for assigning ISSNs, free of charge, to serials published in the Republic of Ireland.  To date, over 4,000 Irish serials, active and defunct, have been assigned ISSNs. The Centre is also responsible for contributing Irish records to the world database of ISSN numbers, known as the ISSN Register, maintained by the ISSN International Centre in Paris. 

Obtaining an ISSN from the Irish ISSN Centre

To apply for an ISSN, please download and complete the application form included above,  and return it by post or email to: The Irish ISSN Centre, National Library of Ireland, Kildare Street, Dublin 2, D02 P638

Further Information


ISBNs (International Standard Book Numbers) are applied to books (once-off publications, i.e. monographs) and are issued by the UK-based ISBN Agency. The document below provides further details.

See also

An example of an ISSN barcode.
An example of an ISSN barcode.
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