| District | Post Town | Coverage | Postcodes |
|---|---|---|---|
| HS1 | Stornoway | Stornoway, Plasterfield | 267 |
| HS2 | Isle of Lewis | Isle Of Lewis | 363 |
| HS3 | Isle of Harris | Isle Of Harris | 76 |
| HS4 | Isle of Scalpay | Isle Of Scalpay | 9 |
| HS5 | Isle of Harris | Isle Of Harris | 13 |
| HS6 | Isle of North Uist | Isle Of North Uist | 80 |
| HS7 | Isle of Benbecula | Isle Of Benbecula | 45 |
| HS8 | Isle of South Uist | Isle Of South Uist | 76 |
| HS9 | Isle of Barra | Isle Of Barra | 49 |