| Assignment of Postcodes | How we allocate postcodes to geographical areas and localities. |
| Internal Audit Charter (PDF 163kB) | Read Australia Post’s Internal Audit charter. |
| Letterbox Security and Specification (PDF 271kB) | Our guide to protecting your mail. |
| Mail delivery | While our basic letter service is available to the majority of addresses across Australia, letter and parcel delivery arrangements vary. |
| Our Ethics: The way we do things at the Australia Post Group (PDF 1.23MB) | How we conduct our business with integrity and comply with all relevant laws and corporate standards. |
| Post Office Network Change Protocols (PDF 110kB) | Guidelines of how Australia Post will communicate with the community in the event of retail service changes. |
| Returns Policy | Our guide to returns for Australia Post purchased products, including how to request an exchange, repair or refund. |