Districts in the HD area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| HD1 | Huddersfield | Kirklees | 7 | 842 |
| HD2 | Huddersfield | Kirklees | 2 | 634 |
| HD3 | Huddersfield | Kirklees | 3 | 723 |
| HD4 | Huddersfield | Kirklees | 3 | 734 |
| HD5 | Huddersfield | Kirklees | 3 | 720 |
| HD6 | Brighouse | Calderdale | 5 | 800 |
| HD7 | Slaithwaite | Kirklees | 4 | 600 |
| HD8 | Lepton | Kirklees | 4 | 944 |
| HD9 | Meltham | Kirklees | 8 | 1,205 |