# CM3

9 sectors, 1,589 postcodes

- **Part of:** [CM](https://openpostcodes.uk/CM)
- **Local authorities:** Chelmsford, Maldon, Braintree, Uttlesford

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [CM3 1](https://openpostcodes.uk/CM3%201) | 215 | Chelmsford |
| [CM3 2](https://openpostcodes.uk/CM3%202) | 234 | Braintree |
| [CM3 3](https://openpostcodes.uk/CM3%203) | 207 | Chelmsford |
| [CM3 4](https://openpostcodes.uk/CM3%204) | 244 | Chelmsford |
| [CM3 5](https://openpostcodes.uk/CM3%205) | 253 | Chelmsford |
| [CM3 6](https://openpostcodes.uk/CM3%206) | 281 | Maldon |
| [CM3 7](https://openpostcodes.uk/CM3%207) | 25 | Chelmsford |
| [CM3 8](https://openpostcodes.uk/CM3%208) | 126 | Chelmsford |
| [CM3 9](https://openpostcodes.uk/CM3%209) | 4 | Chelmsford |