| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Clotton Hoofield | CH3 |
| Postal/ZIP Codes in Clutton | CH3 |
| Postal/ZIP Codes in Coddington | CH3 |
| Postal/ZIP Codes in Comberbach | CW9 |
| Postal/ZIP Codes in Cotebrook | CW6 |
| Postal/ZIP Codes in Cotton Edmunds | CH3 |
| Postal/ZIP Codes in Crewe by Farndon | CH3 |
| Postal/ZIP Codes in Croughton | CH2 |
| Postal/ZIP Codes in Crowley | CW9 |
| Postal/ZIP Codes in Crowton | CW8 |
| Postal/ZIP Codes in Cuddington | CW8, SY14 |
| Postal/ZIP Codes in Darnhall | CW7 |
| Postal/ZIP Codes in Davenham | CW8, CW9 |
| Postal/ZIP Codes in Delamere | CW8 |
| Postal/ZIP Codes in Dodleston | CH4 |
| Postal/ZIP Codes in Duckington | SY14 |
| Postal/ZIP Codes in Duddon | CW6 |
| Postal/ZIP Codes in Duddon Heath | CW6 0EU, CW6 0GJ, CW6 … |
| Postal/ZIP Codes in Dunham on the Hill | WA6 |
| Postal/ZIP Codes in Dunkirk | CH1 |
| Postal/ZIP Codes in Dutton | WA4 |
| Postal/ZIP Codes in Eaton | CH4, CW6 |
| Postal/ZIP Codes in Ebnal | SY14 8BF, SY14 8JE |
| Postal/ZIP Codes in Eccleston | CH4 |
| Postal/ZIP Codes in Edge | SY14 |
| Postal/ZIP Codes in Ellesmere Port | CH65, CH66 |