# AL9

3 sectors, 429 postcodes

- **Part of:** [AL](https://openpostcodes.uk/AL)
- **Local authorities:** Welwyn Hatfield, East Hertfordshire

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [AL9 5](https://openpostcodes.uk/AL9%205) | 127 | Welwyn Hatfield |
| [AL9 6](https://openpostcodes.uk/AL9%206) | 112 | Welwyn Hatfield |
| [AL9 7](https://openpostcodes.uk/AL9%207) | 190 | Welwyn Hatfield |