| District | Post Town | Coverage | Postcodes |
|---|---|---|---|
| IG1 | Ilford | Ilford | 928 |
| IG2 | Ilford | Gants Hill, Newbury Park | 414 |
| IG3 | Ilford | Seven Kings | 473 |
| IG4 | Ilford | Redbridge | 139 |
| IG5 | Ilford | Clayhall | 235 |
| IG6 | Ilford | Barkingside, Hainault | 561 |
| IG7 | Chigwell | Chigwell | 496 |
| IG8 | Chigwell, Woodford Green | Woodford Green, Woodford Bridge | 809 |
| IG9 | Buckhurst Hill | Buckhurst Hill | 290 |
| IG10 | Loughton | Loughton, High Beach | 736 |
| IG11 | Barking | Barking | 1,005 |