Districts in the DY area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| DY1 | Dudley | Dudley | 5 | 797 |
| DY2 | Dudley | Dudley | 4 | 754 |
| DY3 | Sedgley | Dudley | 4 | 812 |
| DY4 | Tipton | Sandwell | 5 | 972 |
| DY5 | Brierley Hill | Dudley | 5 | 946 |
| DY6 | Kingswinford | Dudley | 5 | 750 |
| DY7 | Kinver | South Staffordshire | 2 | 343 |
| DY8 | Stourbridge | Dudley | 6 | 1,199 |
| DY9 | Stourbridge | Dudley | 4 | 846 |
| DY10 | Kidderminster | Wyre Forest | 4 | 999 |
| DY11 | Kidderminster | Wyre Forest | 4 | 812 |
| DY12 | Bewdley | Wyre Forest | 4 | 580 |
| DY13 | Stourport-on-Severn | Wyre Forest | 4 | 689 |
| DY14 | Cleobury Mortimer | Shropshire | 3 | 603 |
Main places in the DY area
- Dudley
- Stourbridge
- Kidderminster
- Kingswinford
- Tipton
- Brierley Hill
- Sedgley
- Stourport-on-Severn
- Bewdley
- Coseley
- Hagley
- Kinver
- Cleobury Mortimer
- Cookley
- West Bromwich
- Belbroughton
- Blakedown
- Hartlebury
- Stourton
- Swindon
- Holy Cross
- Fairfield
- Shenstone
- Waresley
- Stottesdon
- Lower Heath
- Callow Hill
- Clows Top
- Dunsley
- Chaddesley Corbett