| Locality | Postal Code |
|---|---|
| High Hauxley | NE65 |
| High Humbleton | NE71 6SU |
| High Mickley | NE43 |
| High Warden | NE46 4SR |
| Holburn Village | TD15 2UJ |
| Holy Island | TD15 |
| Holystone | NE65 |
| Holywell | NE25 |
| Horncliffe | TD15 |
| Horsley | NE15 |
| Horton | NE24 4HF |
| Howick | NE66 |
| Humshaugh | NE46 |
| Ilderton | NE66 |
| Ingoe | NE20 |
| Ingram | NE66 |
| Jubilee Industrial Estate | NE63 |
| Juniper | NE46 |