| District | Post Town | Coverage | Postcodes |
|---|---|---|---|
| IM1 | Isle of Man | Douglas | 504 |
| IM2 | Isle of Man | Douglas | 923 |
| IM3 | Isle of Man | Onchan | 392 |
| IM4 | Isle of Man | Port Soderick, Santon, Greeba, Braddan, St John's, Foxdale, Onchan, Baldrine, Laxey, Lonan | 730 |
| IM5 | Isle of Man | Peel, Patrick | 280 |
| IM6 | Isle of Man | Kirk Michael | 80 |
| IM7 | Isle of Man | Maughold, Sulby, Lezayre, Jurby, Andreas, Bride, Ballaugh | 334 |
| IM8 | Isle of Man | Ramsey | 419 |
| IM9 | Isle of Man | Castletown, Ballasalla, Malew, Arbory, Port St Mary, Port Erin | 769 |