The Postal Industry Ombudsman (PIO) investigates complaints about Australia Post, and other postal or courier operators that are registered as a Private Postal Operator (PPO) under the Ombudsman Act 1976.

The PIO is one of the functions of the Commonwealth Ombudsman, and your contact will be handled through the Commonwealth Ombudsman.

You can phone, email, SMS write to the PIO or use the online complaint form.

Phone: 1300 362 072 (calls from mobile phones will attract mobile phone rates)
Enquiries: 9am - 5pm Monday to Friday (AEST)
Postal: GPO Box 442, Canberra ACT 2601
Fax: (02) 6249 7829
Email
Website
SMS: 0413 COM OMB (0413 266 662) (standard carrier rates apply)

You can visit any office of the Commonwealth Ombudsman to lodge a complaint in person. No appointment is required. Business hours are 9 am to 5 pm Monday to Friday (excluding public holidays). Check the Commonwealth Ombudsman's website for street addresses for the offices in Adelaide, Brisbane, Canberra, Darwin, Alice Springs, Hobart, Melbourne, Sydney and Perth.

Other helpful information: