We will not be issuing new or replacement Application Numbers and PINs to customers so there is no requirement for you to contact us to request these details. You can complete your registration by post or by telephone without an Application Number and PIN.

To apply by post or telephone:

  • By telephone: Lo Call 1850 448 448 or +353 1 707 2824 our lines are open from 8am-8pm, Monday to Friday and 9am-5.30pm Saturday . If you would like to complete your registration in Irish please call us on 1850 448 448 and dial 9.
  • By post: Download and complete an application form and return it to Irish Water, Freepost, PO Box 448, South City Delivery Office, Cork City.
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