| Ort | Postleitzahl |
|---|---|
| Adamstown, Newcastle | 2289 |
| Adamstown Heights, Newcastle | 2289 |
| Bar Beach, Newcastle | 2300 |
| Beresfield, Newcastle | 2322 |
| Birmingham Gardens, Newcastle | 2287 |
| Broadmeadow, Newcastle | 2292 |
| Callaghan, Newcastle | 2308 |
| Carrington, Newcastle | 2294 |
| Cooks Hill, Newcastle | 2300 |
| Elermore Vale, Newcastle | 2287 |
| Fletcher, Newcastle | 2287 |
| Georgetown, Newcastle | 2298 |
| Hamilton, Newcastle | 2303 |
| Hamilton East, Newcastle | 2303 |
| Hamilton North, Newcastle | 2292 |
| Hamilton South, Newcastle | 2303 |
| Hexham, Newcastle | 2322 |
| Islington, Newcastle | 2296 |
| Jesmond, Newcastle | 2299 |
| Kooragang, Newcastle | 2304 |
| Kotara, Newcastle | 2289 |
| Kotara East, Newcastle | 2305 |
| Kotara Fair, Newcastle | 2289 |
| Lambton, Newcastle | 2299 |
| Lenaghan, Newcastle | 2322 |
| Maryland, Newcastle | 2287 |