| Place | Postal Code |
|---|---|
| Arcadia Vale, Lake Macquarie | 2283 |
| Argenton, Lake Macquarie | 2284 |
| Awaba, Lake Macquarie | 2283 |
| Balcolyn, Lake Macquarie | 2264 |
| Balmoral, Lake Macquarie | 2283 |
| Barnsley, Lake Macquarie | 2278 |
| Belmont, Lake Macquarie | 2280 |
| Belmont North, Lake Macquarie | 2280 |
| Belmont South, Lake Macquarie | 2280 |
| Bennetts Green, Lake Macquarie | 2290 |
| Blackalls Park, Lake Macquarie | 2283 |
| Blacksmiths, Lake Macquarie | 2281 |
| Bolton Point, Lake Macquarie | 2283 |
| Bonnells Bay, Lake Macquarie | 2264 |
| Boolaroo, Lake Macquarie | 2284 |
| Booragul, Lake Macquarie | 2284 |
| Brightwaters, Lake Macquarie | 2264 |
| Buttaba, Lake Macquarie | 2283 |
| Cameron Park, Lake Macquarie | 2285 |
| Cams Wharf, Lake Macquarie | 2281 |
| Cardiff, Lake Macquarie | 2285 |
| Cardiff Heights, Lake Macquarie | 2285 |
| Cardiff South, Lake Macquarie | 2285 |
| Carey Bay, Lake Macquarie | 2283 |
| Catherine Hill Bay, Lake Macquarie | 2281 |
| Caves Beach, Lake Macquarie | 2281 |