About CM1 9J
CM1 9J is a postcode group within the CM1 9 sector of the CM1 postcode district covering Chelmsford, Writtle in Chelmsford. It contains 10 individual postcodes across 1 streets, forming part of the wider CM postcode area.
Postcodes in CM1 9J 10
The CM1 9J group contains 10 active postcodes. Each postcode identifies a specific delivery point used by Royal Mail and other services.
Location
Streets in CM1 9J 1
Other Groups in CM1 9
Browse other postcode groups within the CM1 9 sector.