The CM postcode area, also known as the Chelmsford postcode area,[2] is a group of 25 postcode districts in England, within 16 post towns. These cover central Essex (including Chelmsford, Harlow, Brentwood, Billericay, Braintree, Burnham-on-Crouch, Dunmow, Epping, Ingatestone, Maldon, Ongar, Southminster, Stansted and Witham), plus a small part of east Hertfordshire (including Bishop's Stortford and Sawbridgeworth) and a very small part of the London Borough of Havering.
The southern part of the CM7 district for Braintree was recoded to CM77 in 2002.[3]
^"ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. May 2020. Table 2. Retrieved 19 June 2020. Coordinates from mean of unit postcode points, "Code-Point Open". OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012.
^Royal Mail, Address Management Guide, (2004)
^"Royal Mail Update 34". Beacon Dodsworth. Retrieved 23 August 2015.
Template:Attached KML/CMpostcodearea KML is from Wikidata The CMpostcodearea, also known as the Chelmsford postcodearea, is a group of 25 postcode districts...
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