| Ort | Postleitzahl |
|---|---|
| Avoca Beach, Gosford | 2251 |
| Bar Point, Gosford | 2083 |
| Bensville, Gosford | 2251 |
| Blackwall, Gosford | 2256 |
| Booker Bay, Gosford | 2257 |
| Bouddi, Gosford | 2251 |
| Box Head, Gosford | 2257 |
| Calga, Gosford | 2250 |
| Central Mangrove, Gosford | 2250 |
| Cheero Point, Gosford | 2083 |
| Cogra Bay, Gosford | 2083 |
| Copacabana, Gosford | 2251 |
| Daleys Point, Gosford | 2257 |
| Davistown, Gosford | 2251 |
| East Gosford, Gosford | 2250 |
| Empire Bay, Gosford | 2257 |
| Erina, Gosford | 2250 |
| Erina Fair, Gosford | 2250 |
| Erina Heights, Gosford | 2260 |
| Ettalong Beach, Gosford | 2257 |
| Forresters Beach, Gosford | 2260 |
| Glenworth Valley, Gosford | 2250 |
| Gosford, Gosford | 2250 |
| Green Point, Gosford | 2251 |
| Greengrove, Gosford | 2250 |
| Gunderman, Gosford | 2775 |
| Postleitzahlen in Sydney Surrounds | |
|---|---|
| Blue Mountains, Sydney Surrounds | |
| Gosford, Sydney Surrounds | |
| Hawkesbury, Sydney Surrounds | |
| Wollondilly, Sydney Surrounds | |
| Wyong, Sydney Surrounds | |