Ensure you have provided the correct address. the postage address for superfund is most often a PO or Locked Bag address, and differs from the street address of the superfund. We won't use your number for marketing purposes. And why do I need it? We’re Queensland’s largest super fund and one of the largest in Australia. The form asks for the postal address, not the office address of the fund. Fund Address: GPO Box 200. 269 talking about this. Phone: 1300 360 750. +61 7 3239 1004 (international) Monday - Friday 8.30am to 5.00pm AEST. Call. Fund Address: GPO Box 200. 70 Eagle Street, Brisbane QLD 4000. Write. SMS these details to your mobile phone for free: Send. The phone number for QSuper for the QSuper Defined Benefit Account product is 1300 360 750. You are required to provide the address of your superfund when you fill out your Super Choice Form. Online via the QSuper website.