| Place | Postal Code |
|---|---|
| Church Langley, East of England) | CM17 |
| Harlow, East of England) | CM17, CM18, CM19, CM20 |
| Newhall, East of England) | CM17 |
| Postal Codes in Essex | |
|---|---|
| Basildon | |
| Braintree | |
| Brentwood | |
| Castle Point | |
| Chelmsford | |
| Colchester | |
| Epping Forest | |
| Harlow | |
| Maldon | |
| Rochford | |
| Tendring | |
| Uttlesford | |