# LL21

2 sectors, 368 postcodes

- **Part of:** [LL](https://openpostcodes.uk/LL)
- **Local authorities:** Denbighshire, Conwy, Gwynedd

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [LL21 0](https://openpostcodes.uk/LL21%200) | 171 | Denbighshire |
| [LL21 9](https://openpostcodes.uk/LL21%209) | 197 | Denbighshire |