Prize Bonds To change your name and/or address details on your Prize Bonds click here to download the required form. Complete the form and send it to: State Savings, Prize Bonds, Fexco Centre, Killorglin, FREEPOST, Co. Kerry, V93 WN9T. Note: All form(s) must be accompanied by the original or certified copies of required proof documentation. All other State Savings products To change your name and/or address details on all other State Savings products click here to download the required form. Complete the form and send it to State Savings, GPO, FREEPOST, Dublin 1, D01 F5P2. Note: All form(s) must be accompanied by the original or certified copies of required proof documentation. The Change of Name and/or Address Form is also available at any Post Office.