| Locality | Post Code |
|---|---|
| Allhallows | ME3 |
| Brompton | ME7 |
| Chatham | ME4, ME5 |
| Chattenden | ME3 |
| Cliffe | ME3 |
| Cliffe Woods | ME3 |
| Cooling | ME3 |
| Cuxton | ME2 |
| Gillingham | ME7, ME8 |
| Gillingham Business Park | ME8 |
| Halling | ME2 |
| Hempstead | ME7 |
| High Halstow | ME3 |
| Hoo | ME3 |
| Isle of Grain | ME3 |
| Lower Stoke | ME3 |
| Lower Upnor | ME2 |
| Medway City Estate | ME2 |
| Middle Stoke | ME3 |
| Rainham | ME8 |
| Rochester | ME1, ME2, ME3 |
| Saint Mary Hoo | ME3 |
| Saint Marys Island | ME4 |
| Strood | ME2 |
| Upnor | ME2 |
| Upper Halling | ME2 |