# LL57

5 sectors, 904 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [LL57 1](https://openpostcodes.uk/LL57%201) | 169 | Gwynedd |
| [LL57 2](https://openpostcodes.uk/LL57%202) | 271 | Gwynedd |
| [LL57 3](https://openpostcodes.uk/LL57%203) | 228 | Gwynedd |
| [LL57 4](https://openpostcodes.uk/LL57%204) | 226 | Gwynedd |
| [LL57 9](https://openpostcodes.uk/LL57%209) | 10 | Gwynedd |