| Code | Name | Region |
|---|---|---|
| AUNTL | Newcastle | NSW |
| AUNAM | Newham | VIC |
| AUNWM | Newman | WA |
| AUZNE | Newman Apt | WA |
| AUNMA | Newmarket | QLD |
| AUWNH | Newnham | TAS |
| AUNWP | Newport | NSW |
| AUNWT | Newport | VIC |
| AUNRY | Newry | NT |
| AUNSD | Newstead | QLD |
| AUNMR | Nappa Merry | QLD |
| AUNPP | Napperby | NT |
| AUNNG | Nar Nar Goon | VIC |
| AUNAC | Naracoorte | SA |
| AUNBA | Narangba | QLD |
| AUNLN | Narellan | NSW |
| AUNBE | Narembeen | WA |
| AUQRX | Narooma | NSW |
| AUNRB | Narrabeen | NSW |
| AUNAA | Narrabri | NSW |
| AUNAR | Narracoopa | TAS |
| AUNRA | Narrandera | NSW |
| AUNWA | Narraweena | NSW |
| AUNRW | Narre Warren | VIC |
| AUN2N | Narre Warren North | VIC |
| AUNKU | Narrikup | WA |
| AUNRG | Narrogin | WA |
| AUQRM | Narromine | NSW |
| AUNAB | Naval Base | WA |
| AUNDD | Nedlands | WA |
| AUMRR | Murrindindi | VIC |
| AUMBM | Murrumbateman | NSW |
| AUMUR | Murwillumbah | NSW |
| AUMVU | Musgrave | QLD |
| AUMSK | Musk Vale | VIC |
| AUOOK | Muswellbrook | NSW |
| AUMUT | Mutineer | |
| AUUTB | Muttaburra | QLD |
| AUMTA | Muttama | NSW |
| AUMBC | Myaree | WA |
| AUMYR | Mylor | SA |
| AUMYO | Myroodah | WA |
| AUHEE | Myrrhee | VIC |
| AUORD | Myrtleford | VIC |
| AUNAG | Nagambie | VIC |
| AUNSS | Nairne | SA |
| AUNBR | Nambour | QLD |
| AUNBH | Nambucca Heads | NSW |
| AUNAN | Nangwarry | SA |
| AUNNU | Nannup | WA |