# CM1

7 sectors, 1,558 postcodes

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

## Sectors

| Sector | Postcodes | Local authority |
|---|---|---|
| [CM1 1](https://openpostcodes.uk/CM1%201) | 208 | Chelmsford |
| [CM1 2](https://openpostcodes.uk/CM1%202) | 253 | Chelmsford |
| [CM1 3](https://openpostcodes.uk/CM1%203) | 225 | Chelmsford |
| [CM1 4](https://openpostcodes.uk/CM1%204) | 313 | Chelmsford |
| [CM1 6](https://openpostcodes.uk/CM1%206) | 274 | Chelmsford |
| [CM1 7](https://openpostcodes.uk/CM1%207) | 207 | Chelmsford |
| [CM1 9](https://openpostcodes.uk/CM1%209) | 78 | Chelmsford |