CM1 is in the county of Essex. It contains the city of Chelmsford, as well as Springfield, Writtle, Broomfield, Chignall St James, and Mashbury. CM1 is a postcode district, also known as an outcode or outbound code.
The below map shows where CM1 is, and the boundary of the CM1 postcode district:
Postal Boundaries © GEOLYTIX copyright and database right 2012
CM1 is in the county of Essex.
| Chelmsford | City |
| Springfield | Suburb |
| Writtle | Village |
| Broomfield | Village |
| Chignall St James | Village |
| Mashbury | Settlement |
| Roxwell | Village |
| Good Easter | Village |
| High Easter | Village |
| Loves Green | Village |
| Little Oxney Green | Suburb |
| Edney Common | Village |
| Cooksmill Green | Hamlet |
| Boyton Cross | Village |
| Great Oxney Green | Suburb |
| Stagden Cross | Hamlet |
| Chalk End | Hamlet |
| Tye Green | Suburb |
| Clatterford End | Hamlet |
| Farmbridge End | Hamlet |
| Chignall Smealy | Hamlet |
| Pepper's Green | Hamlet |
Position of CM1 relative to nearby towns. Distance is measured from the centre of CM1 to the centre of the town.
Position of CM1 relative to nearby cities. Distance is measured from the centre of CM1 to the centre of the city.