| Locality | Post Code |
|---|---|
| Dawdon | SR7 7PE, SR7 7PG |
| Dipton | DH9 |
| Dragonville | DH1 2XL |
| Drum Industrial Estate | DH2 |
| Durham | DH1 |
| Easington | SR8 |
| Easington Colliery | SR8 |
| Easington Village | SR8 |
| East Blackdene | DL13 1RE |
| East Butsfield | DL13 4JB |
| East Hedley Hope | DL13 |
| East Howle | DL17 |
| Eastgate | DL13 |
| Ebchester | DH8 |
| Edmondsley | DH7 |
| Edmundbyers | DH8 |
| Eggleston | DL12 |
| Eldon | DL14 |
| Eldon Lane | DL14 |
| Escomb | DL14 |
| Esh | DH7 |
| Esh Winning | DH7 |
| Etherley | DL14 |
| Etherley Dene | DL14 |
| Etherley Grange | DL14 |
| Etherley Moor | DL14 |