| Locality | Postal Code |
|---|---|
| Aveley | RM15 |
| Badgers Dene | RM17 |
| Bulphan | RM14 |
| Chadwell Saint Mary | RM16 |
| Chafford Hundred | RM16 |
| Corringham | SS17 |
| East Tilbury | RM18 |
| Fobbing | SS17 |
| Grays | RM16, RM17, RM20 |
| Horndon-on-the-Hill | SS17 |
| Linford | SS17 |
| North Stifford | RM16 |
| Orsett | RM16 |
| Purfleet | RM19 |
| South Ockendon | RM15 |
| South Stifford | RM20 4XJ |
| Stanford-Le-Hope | SS17 |
| Tilbury | RM18 |
| Waterglade Industrial Park | RM20 3FJ |
| West Thurrock | RM20 |
| West Tilbury | RM18 |