The PIO is able to investigate complaints about the postal operators  listed below. While Australia Post is a mandatory member, the other  operators have voluntarily registered.

Register of Private Postal Operators – Current (as at 8 August 2018)
NameTrading namesABNDate of registrationDate of deregistration*Contact details
Australian Postal Corporation (includes StarTrack)Australia Post; StarTrack288649705796/10/2006 GPO Box 9911
MELBOURNE VIC 3001
13 POST (13 76 78) from within Australia
+61 3 8847 9045 from overseas
Cheque-Mates Pty Ltd 510020824667/11/200618/10/2022PO Box 504
Chester Hill NSW 2162
02 9743 9547
D & D Mailing Services 326110498796/10/200618/10/202216 Elonera Rd
Noble Park Vic 3179
03 9790 5844
Federal Express (Australia) Pty Ltd 350031000526/10/200601/04/2021PO Box 656
Mascot NSW 1460
02 9565 0777

* Under section 19ZC(2)(b) of the Ombudsman Act 1976 (Cth), the Postal Industry Ombudsman must remove the PPO from the Register of PPOs 12 months after the deregistration date.

Private Postal Operator Register

The PIO is able to investigate complaints about the postal operators  listed below. While Australia Post is a mandatory member, the other  operators have voluntarily registered.

Register of Private Postal Operators – Current (as at 8 August 2018)
NameTrading namesABNDate of registrationDate of deregistration*Contact details
Australian Postal Corporation (includes StarTrack)Australia Post; StarTrack288649705796/10/2006 GPO Box 9911
MELBOURNE VIC 3001
13 POST (13 76 78) from within Australia
+61 3 8847 9045 from overseas
Cheque-Mates Pty Ltd 510020824667/11/200618/10/2022PO Box 504
Chester Hill NSW 2162
02 9743 9547
D & D Mailing Services 326110498796/10/200618/10/202216 Elonera Rd
Noble Park Vic 3179
03 9790 5844
Federal Express (Australia) Pty Ltd 350031000526/10/200601/04/2021PO Box 656
Mascot NSW 1460
02 9565 0777

* Under section 19ZC(2)(b) of the Ombudsman Act 1976 (Cth), the Postal Industry Ombudsman must remove the PPO from the Register of PPOs 12 months after the deregistration date.