# CM13

3 sectors, 701 postcodes

- **Part of:** [CM](https://openpostcodes.uk/CM)
- **Local authorities:** Brentwood, Basildon, Thurrock, Havering

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [CM13 1](https://openpostcodes.uk/CM13%201) | 236 | Brentwood |
| [CM13 2](https://openpostcodes.uk/CM13%202) | 228 | Brentwood |
| [CM13 3](https://openpostcodes.uk/CM13%203) | 237 | Brentwood |