Districts in the IG area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| IG1 | Ilford | Redbridge | 6 | 913 |
| IG2 | London | Redbridge | 2 | 412 |
| IG3 | London | Redbridge | 2 | 491 |
| IG4 | London | Redbridge | 1 | 138 |
| IG5 | London | Redbridge | 1 | 238 |
| IG6 | London | Redbridge | 3 | 568 |
| IG7 | Chigwell | Epping Forest | 3 | 499 |
| IG8 | Woodford | Redbridge | 5 | 797 |
| IG9 | Buckhurst Hill | Epping Forest | 2 | 291 |
| IG10 | Loughton | Epping Forest | 5 | 736 |
| IG11 | Barking | Barking and Dagenham | 5 | 1,023 |