HS - Outer Hebrides
The postal area HS (Outer Hebrides) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within HS - Outer Hebrides
| Country | Post Town | Postal District |
| Scotland | Stornoway | HS1 |
| Isle of Lewis | HS2 | |
| Isle of Harris | HS3 | |
| Isle of Scalpay | HS4 | |
| Leverburgh | HS5 | |
| Isle of North Uist | HS6 | |
| Isle of Benbecula | HS7 | |
| Isle of South Uist | HS8 | |
| Castlebay (Isle of Barra) | HS9 |
