| District | Post Town | Coverage | Postcodes |
|---|---|---|---|
| GY1 | Guernsey | Saint Peter Port | 1,272 |
| GY2 | Guernsey | Saint Sampson | 327 |
| GY3 | Guernsey | Vale | 254 |
| GY4 | Guernsey | Saint Martin | 253 |
| GY5 | Guernsey | Castel | 300 |
| GY6 | Guernsey | Vale, Saint Andrew | 233 |
| GY7 | Guernsey | Saint Pierre Du Bois, Saint Saviour | 288 |
| GY8 | Guernsey | Forest, Torteval | 158 |
| GY9 | Guernsey | Alderney | 228 |
| GY10 | Guernsey | Sark | 8 |