CM postcode area

{{redirect|CM6|the chord|Sixth chord}}

{{short description|Postcode area within the United Kingdom}}

{{Use dmy dates|date=November 2019}}

{{Use British English|date=April 2025}}

{{Infobox UK postcode area|area_code=CM}}

The CM postcode area, also known as the Chelmsford postcode area,Royal Mail, Address Management Guide, (2004) 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.{{cite web |title=Royal Mail Update 34 |url=http://www.beacon-dodsworth.co.uk/site/support/postcode_update_34/ |publisher=Beacon Dodsworth |access-date=23 August 2015}}

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Coverage

The Stansted post town (CM24) is entirely surrounded by the Bishop's Stortford post town (CM22 and CM23). The approximate coverage of the postcode districts:

{{postcode area table start}}

|-

! rowspan="2"| CM0

| SOUTHMINSTER

| Southminster, Bradwell, Tillingham, Asheldham, Dengie

| rowspan="2"|Maldon

|-

| BURNHAM-ON-CROUCH

| Burnham-on-Crouch, Tillingham

|-

! CM1

| CHELMSFORD

| Chelmsford, Writtle

| Chelmsford, Uttlesford

|-

! CM2

| CHELMSFORD

| Chelmsford

| Chelmsford

|-

! CM3

| CHELMSFORD

| Hatfield Peverel, South Woodham Ferrers, North Fambridge, Cold Norton, Boreham, Maylandsea

| Chelmsford, Maldon, Braintree, Uttlesford

|-

! CM4

| INGATESTONE

| Blackmore, Fryerning, Ingatestone, Margaretting, Stock

| Brentwood, Chelmsford, Epping Forest

|-

! CM5

| ONGAR

| Chipping Ongar, High Ongar, Bobbingworth, Moreton, The Lavers, The Rodings

| Epping Forest, Chelmsford

|-

! CM6

| DUNMOW

| Great Dunmow, Felsted, Thaxted

| Uttlesford, Chelmsford

|-

! CM7

| BRAINTREE

| Braintree, Finchingfield, Great Bardfield

| Braintree, Uttlesford

|-

! CM8

| WITHAM

| Witham

| Braintree, Maldon

|-

! CM9

| MALDON

| Maldon, Tollesbury, Tolleshunt D'Arcy, Tolleshunt Knights

| Maldon, Colchester, Chelmsford

|-

! CM11

| BILLERICAY

| Billericay (East), Great Burstead

| Basildon, Chelmsford

|-

! CM12

| BILLERICAY

| Billericay (West), Little Burstead

| Basildon, Brentwood

|-

! CM13

| BRENTWOOD

| Brentwood, East Horndon, Great Warley, Herongate, Hutton, Ingrave, Little Warley, West Horndon

| Brentwood, Basildon, Havering

|-

! CM14

| BRENTWOOD

| Brentwood, Warley

| Brentwood, Havering

|-

! CM15

| BRENTWOOD

| Brentwood, Doddinghurst, Kelvedon Hatch, Mountnessing, Shenfield, Stondon Massey, Pilgrims Hatch

| Brentwood

|-

! CM16

| EPPING

| Epping, Theydon Bois, North Weald

| Epping Forest

|-

! CM17

| HARLOW

| Harlow, Old Harlow, Matching, Matching Tye, Matching Green, Church Langley

| Harlow, Epping Forest, Uttlesford

|-

! CM18

| HARLOW

| Harlow

| Harlow, Epping Forest

|-

! CM19

| HARLOW

| Harlow, Roydon

| Harlow, Epping Forest

|-

! CM20

| HARLOW

| Harlow, Gilston

| Harlow, East Hertfordshire

|-

! CM21

| SAWBRIDGEWORTH

| Sawbridgeworth

| East Hertfordshire, Epping Forest

|-

! CM22

| BISHOP'S STORTFORD

| Bishop's Stortford, Sheering

| Uttlesford, East Hertfordshire, Epping Forest

|-

! CM23

| BISHOP'S STORTFORD

| Bishop's Stortford, Thorley, Manuden

| East Hertfordshire, Uttlesford

|-

! CM24

| STANSTED

| Stansted Mountfitchet, Stansted Airport

| Uttlesford

|-

! CM77

| BRAINTREE

| Braintree, Great Notley, Rayne

| Braintree, Uttlesford, Chelmsford

|-

! style="background:#FFFFFF;"| CM92

| style="background:#FFFFFF;"| CHELMSFORD

| style="background:#FFFFFF;"| Sandringham House

| style="background:#FFFFFF;"| non-geographic

|-

! style="background:#FFFFFF;"| CM98

| style="background:#FFFFFF;"| CHELMSFORD

| style="background:#FFFFFF;"| Jobcentre Plus

| style="background:#FFFFFF;"| non-geographic

|-

! style="background:#FFFFFF;"| CM99

| style="background:#FFFFFF;"| CHELMSFORD

| style="background:#FFFFFF;"| PO Box Users

| style="background:#FFFFFF;"| non-geographic

|}

Map

{{Attached KML|display=inline}}

{{Postcode area imagemap|map=CM postcode area|size=550x550px}}

See also

References

{{Reflist}}