This is a list of postcodes in the CM area , Chelmsford. The area covers Althorne , Barnston (Uttlesford) , Basildon , Bicknacre , Billericay , Birchanger , Bishop's Stortford , Black Notley , Blackmore , Blackmore End (Braintree) , Boreham , Bradwell (Braintree) , Braintree , Brentwood , Brock Hill , Broomfield , Burnham-on-Crouch , Burton End , Camden , Causeway End , Chelmsford , Childerditch , Chipping Ongar , Coalhill , Cold Norton (Maldon) , Coopersale , Crays Hill , Danbury , Doddinghurst , Doddinghurst Common , Downham , East Hanningfield , Elsenham , Epping , Epping Upland , Felsted , Finchingfield , Ford End , Fryerning , Fyfield , Galleywood , Gay Bowers , Goldhanger , Great Bardfield , Great Dunmow , Great Easton (Uttlesford) , Great Leighs , Great Notley , Great Totham (near Great Totham) , Great Totham (near Wickham Bishops) , Great Waltham , Harlow , Hatfield Broad Oak , Hatfield Heath , Hatfield Peverel , Havering , Havering's Grove , Henham , Heybridge Basin , High Easter , High Garrett , High Roding , Hoddesdon , Howe Green , Ingatestone , Ingrave and Herongate , Kelvedon Hatch , Langford (Maldon) , Latchingdon , Little Burstead , Little Common , Little Dunmow , Little Hallingbury , Little Totham , Little Waltham , Little Warley , Lower Nazeing , Maldon , Manuden , Margaretting , Matching Green , Mayland , Moreton (Epping Forest) , Mountnessing , Nazeing , Noak Hill , North Fambridge , North Weald Bassett , Nounsley , Panfield , Paslow Wood Common , Purleigh , Ramsden Bellhouse , Ramsden Heath , Ramsey Island , Rayne , Rettendon , Roxwell , Roydon (Epping Forest) , Roydon Hamlet , Sandon , Sawbridgeworth , School Green , Shalford (Braintree) , Sheering , Shelley , Silver End , South Woodham Ferrers , Southminster , Spellbrook , Stansted Mountfitchet , Stapleford Abbotts , Start Hill , Stebbing , Steeple , Stisted , Stock (Chelmsford) , Stondon Massey , Stoneyhills , Takeley and Little Canfield , Takeley Street , Terling , Thaxted , Theydon Bois , Thornwood Common , Tillingham , Tollesbury , Tolleshunt D'Arcy , Tolleshunt Knights , Tolleshunt Major , Toot Hill , Tye Green (Braintree) , Ugley Green , West Hanningfield , West Horndon , Wethersfield , Wickford , Wickham Bishops , Witham , Woodham Ferrers , Woodham Mortimer , Writtle . The area contains approximately 270,044 households with a population of about 653,626 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| CM23 2XJ | 51.879249 | 0.138498 | 547297 | 222237 | TL472222 | Yes |
| CM23 2XL | 51.879246 | 0.139138 | 547341 | 222238 | TL473222 | Yes |
| CM23 2XN | 51.880649 | 0.139103 | 547334 | 222394 | TL473223 | Yes |
| CM23 2XP | 51.869635 | 0.165091 | 549159 | 221222 | TL491212 | Yes |
| CM23 2XQ | 51.880971 | 0.138726 | 547307 | 222429 | TL473224 | Yes |
| CM23 2XR | 51.870294 | 0.164454 | 549113 | 221294 | TL491212 | Yes |
| CM23 2XS | 51.870189 | 0.166265 | 549238 | 221286 | TL492212 | Yes |
| CM23 2XT | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2XU | 51.880404 | 0.138771 | 547312 | 222366 | TL473223 | Yes |
| CM23 2XW | 51.880327 | 0.141485 | 547499 | 222363 | TL474223 | Yes |
| CM23 2XX | 51.88046 | 0.138135 | 547268 | 222371 | TL472223 | Yes |
| CM23 2XY | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2XZ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2YA | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2YD | 51.879439 | 0.142837 | 547595 | 222267 | TL475222 | Yes |
| CM23 2YE | 51.879955 | 0.143661 | 547650 | 222326 | TL476223 | Yes |
| CM23 2YF | 51.881335 | 0.141969 | 547529 | 222476 | TL475224 | Yes |
| CM23 2YG | 51.881233 | 0.143591 | 547641 | 222468 | TL476224 | Yes |
| CM23 2YH | 51.881489 | 0.142891 | 547592 | 222495 | TL475224 | Yes |
| CM23 2YJ | 51.881491 | 0.143749 | 547651 | 222497 | TL476224 | Yes |
| CM23 2YL | 51.881655 | 0.144599 | 547709 | 222517 | TL477225 | Yes |
| CM23 2YN | 51.882423 | 0.145392 | 547761 | 222604 | TL477226 | Yes |
| CM23 2YP | 51.88185 | 0.14378 | 547652 | 222537 | TL476225 | Yes |
| CM23 2YQ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2YR | 51.881517 | 0.14577 | 547790 | 222504 | TL477225 | Yes |
| CM23 2YS | 51.882279 | 0.14492 | 547729 | 222587 | TL477225 | Yes |
| CM23 2YT | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | Yes |
| CM23 2YU | 51.88065 | 0.143985 | 547670 | 222404 | TL476224 | Yes |
| CM23 2YW | 51.87454 | 0.158992 | 548723 | 221755 | TL487217 | No |
| CM23 2YX | 51.869461 | 0.164254 | 549102 | 221201 | TL491212 | No |
| CM23 2YZ | 51.870189 | 0.166265 | 549238 | 221286 | TL492212 | No |
| CM23 2ZA | 51.880203 | 0.138428 | 547289 | 222343 | TL472223 | Yes |
| CM23 2ZB | 51.879848 | 0.13767 | 547238 | 222302 | TL472223 | Yes |
| CM23 2ZE | 51.879819 | 0.13729 | 547212 | 222298 | TL472222 | Yes |
| CM23 2ZF | 51.879996 | 0.145872 | 547802 | 222335 | TL478223 | Yes |
| CM23 2ZG | 51.879292 | 0.145024 | 547746 | 222255 | TL477222 | Yes |
| CM23 2ZH | 51.879954 | 0.146698 | 547859 | 222332 | TL478223 | Yes |
| CM23 2ZJ | 51.882511 | 0.141545 | 547496 | 222606 | TL474226 | Yes |
| CM23 2ZL | 51.882125 | 0.142021 | 547530 | 222564 | TL475225 | Yes |
| CM23 2ZN | 51.882516 | 0.144248 | 547682 | 222612 | TL476226 | Yes |
| CM23 2ZP | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2ZQ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2ZR | 51.88011 | 0.145499 | 547776 | 222347 | TL477223 | Yes |
| CM23 2ZS | 51.8805 | 0.145329 | 547763 | 222390 | TL477223 | Yes |
| CM23 2ZT | 51.874297 | 0.139295 | 547368 | 221688 | TL473216 | Yes |
| CM23 2ZU | 51.873849 | 0.140697 | 547466 | 221641 | TL474216 | Yes |
| CM23 2ZW | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 2ZY | 51.874552 | 0.141588 | 547525 | 221721 | TL475217 | Yes |
| CM23 3AA | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | Yes |
| CM23 3AB | 51.869254 | 0.160845 | 548868 | 221171 | TL488211 | Yes |
| CM23 3AD | 51.868032 | 0.159813 | 548801 | 221033 | TL488210 | Yes |
| CM23 3AE | 51.869362 | 0.161809 | 548934 | 221185 | TL489211 | Yes |
| CM23 3AF | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3AG | 51.868414 | 0.161037 | 548884 | 221078 | TL488210 | Yes |
| CM23 3AH | 51.8695 | 0.161656 | 548923 | 221200 | TL489211 | No |
| CM23 3AJ | 51.868128 | 0.161445 | 548913 | 221047 | TL489210 | Yes |
| CM23 3AL | 51.866911 | 0.161125 | 548895 | 220911 | TL488209 | Yes |
| CM23 3AN | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3AP | 51.866769 | 0.161031 | 548889 | 220895 | TL488208 | Yes |
| CM23 3AQ | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3AR | 51.865797 | 0.161071 | 548895 | 220787 | TL488207 | Yes |
| CM23 3AS | 51.869451 | 0.161886 | 548939 | 221195 | TL489211 | Yes |
| CM23 3AT | 51.869178 | 0.160086 | 548816 | 221161 | TL488211 | Yes |
| CM23 3AU | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3AW | 51.867903 | 0.159022 | 548747 | 221017 | TL487210 | Yes |
| CM23 3AX | 51.869368 | 0.162463 | 548979 | 221187 | TL489211 | Yes |
| CM23 3AY | 51.869892 | 0.160367 | 548833 | 221241 | TL488212 | Yes |
| CM23 3AZ | 51.868396 | 0.160557 | 548851 | 221075 | TL488210 | Yes |
| CM23 3BA | 51.86628 | 0.163186 | 549039 | 220845 | TL490208 | Yes |
| CM23 3BB | 51.902755 | 0.195147 | 551117 | 224967 | TL511249 | No |
| CM23 3BD | 51.866 | 0.162752 | 549010 | 220813 | TL490208 | Yes |
| CM23 3BE | 51.866401 | 0.162466 | 548989 | 220857 | TL489208 | Yes |
| CM23 3BG | 51.866584 | 0.160339 | 548842 | 220873 | TL488208 | Yes |
| CM23 3BH | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3BJ | 51.868051 | 0.161252 | 548900 | 221038 | TL488210 | Yes |
| CM23 3BL | 51.867588 | 0.162915 | 549016 | 220990 | TL490209 | Yes |
| CM23 3BN | 51.866771 | 0.161902 | 548949 | 220897 | TL489208 | Yes |
| CM23 3BP | 51.867279 | 0.162639 | 548998 | 220955 | TL489209 | Yes |
| CM23 3BQ | 51.865179 | 0.160911 | 548886 | 220718 | TL488207 | Yes |
| CM23 3BS | 51.866784 | 0.162673 | 549002 | 220900 | TL490208 | Yes |
| CM23 3BT | 51.868877 | 0.163776 | 549071 | 221135 | TL490211 | Yes |
| CM23 3BU | 51.867691 | 0.162716 | 549002 | 221001 | TL490210 | No |
| CM23 3BW | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3BX | 51.869496 | 0.163341 | 549039 | 221203 | TL490212 | Yes |
| CM23 3BY | 51.865527 | 0.161567 | 548930 | 220758 | TL489207 | Yes |
| CM23 3BZ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3DA | 51.863157 | 0.165738 | 549225 | 220503 | TL492205 | Yes |
| CM23 3DB | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3DD | 51.867721 | 0.159624 | 548789 | 220998 | TL487209 | Yes |
| CM23 3DE | 51.867549 | 0.160197 | 548829 | 220980 | TL488209 | Yes |
| CM23 3DF | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3DG | 51.869648 | 0.159978 | 548807 | 221213 | TL488212 | No |
| CM23 3DH | 51.863714 | 0.164777 | 549157 | 220563 | TL491205 | Yes |
| CM23 3DJ | 51.863673 | 0.16508 | 549178 | 220559 | TL491205 | No |
| CM23 3DL | 51.863145 | 0.165403 | 549202 | 220501 | TL492205 | No |
| CM23 3DN | 51.902755 | 0.195147 | 551117 | 224967 | TL511249 | No |
| CM23 3DP | 51.862224 | 0.165156 | 549188 | 220398 | TL491203 | Yes |
| CM23 3DQ | 51.862858 | 0.165869 | 549235 | 220470 | TL492204 | Yes |
| CM23 3DR | 51.862324 | 0.166061 | 549250 | 220411 | TL492204 | Yes |
| CM23 3DS | 51.861656 | 0.166189 | 549261 | 220337 | TL492203 | Yes |
| CM23 3DT | 51.857903 | 0.168797 | 549453 | 219925 | TL494199 | Yes |
| CM23 3DU | 51.862637 | 0.16763 | 549357 | 220449 | TL493204 | No |
| CM23 3DW | 51.863285 | 0.164669 | 549151 | 220515 | TL491205 | Yes |
| CM23 3DX | 51.861888 | 0.165299 | 549199 | 220361 | TL491203 | Yes |
| CM23 3DY | 51.86448 | 0.165221 | 549185 | 220649 | TL491206 | Yes |
| CM23 3DZ | 51.902817 | 0.195179 | 551119 | 224974 | TL511249 | Yes |
| CM23 3EA | 51.867638 | 0.165619 | 549202 | 221001 | TL492210 | No |
| CM23 3EB | 51.868342 | 0.165479 | 549190 | 221079 | TL491210 | Yes |
| CM23 3ED | 51.867638 | 0.165619 | 549202 | 221001 | TL492210 | No |
| CM23 3EE | 51.868017 | 0.166001 | 549227 | 221044 | TL492210 | Yes |
| CM23 3EF | 51.861375 | 0.163866 | 549102 | 220301 | TL491203 | No |
| CM23 3EG | 51.865672 | 0.16246 | 548991 | 220776 | TL489207 | Yes |
| CM23 3EH | 51.855568 | 0.160828 | 548912 | 219649 | TL489196 | Yes |
| CM23 3EJ | 51.853748 | 0.161511 | 548965 | 219448 | TL489194 | Yes |
| CM23 3EL | 51.854507 | 0.161779 | 548981 | 219533 | TL489195 | Yes |
| CM23 3EN | 51.853897 | 0.159252 | 548809 | 219460 | TL488194 | Yes |
| CM23 3EP | 51.854778 | 0.159788 | 548843 | 219559 | TL488195 | Yes |
| CM23 3EQ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3ER | 51.854406 | 0.160424 | 548888 | 219519 | TL488195 | Yes |
| CM23 3ES | 51.854618 | 0.161146 | 548937 | 219544 | TL489195 | Yes |
| CM23 3ET | 51.85494 | 0.159259 | 548806 | 219576 | TL488195 | Yes |
| CM23 3EU | 51.854437 | 0.157782 | 548706 | 219517 | TL487195 | Yes |
| CM23 3EW | 51.862419 | 0.15844 | 548725 | 220406 | TL487204 | No |
| CM23 3EX | 51.854758 | 0.157406 | 548679 | 219552 | TL486195 | Yes |
| CM23 3EY | 51.853886 | 0.155941 | 548581 | 219452 | TL485194 | Yes |
| CM23 3EZ | 51.854422 | 0.156112 | 548591 | 219512 | TL485195 | Yes |
| CM23 3FD | 51.861529 | 0.167737 | 549368 | 220326 | TL493203 | Yes |
| CM23 3FE | 51.86133 | 0.167292 | 549338 | 220303 | TL493203 | Yes |
| CM23 3FF | 51.862419 | 0.15844 | 548725 | 220406 | TL487204 | No |
| CM23 3FG | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3FL | 51.869072 | 0.156565 | 548574 | 221142 | TL485211 | Yes |
| CM23 3FN | 51.867299 | 0.161027 | 548887 | 220954 | TL488209 | Yes |
| CM23 3FP | 51.865463 | 0.156741 | 548598 | 220741 | TL485207 | Yes |
| CM23 3FQ | 51.865887 | 0.160582 | 548861 | 220796 | TL488207 | Yes |
| CM23 3FR | 51.863594 | 0.16496 | 549170 | 220550 | TL491205 | Yes |
| CM23 3FS | 51.863735 | 0.165591 | 549213 | 220567 | TL492205 | Yes |
| CM23 3FT | 51.869056 | 0.160385 | 548837 | 221148 | TL488211 | Yes |
| CM23 3FU | 51.867137 | 0.164012 | 549093 | 220942 | TL490209 | Yes |
| CM23 3FW | 51.8667 | 0.163802 | 549080 | 220893 | TL490208 | Yes |
| CM23 3FX | 51.864612 | 0.163905 | 549094 | 220661 | TL490206 | Yes |
| CM23 3FY | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3FZ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3GA | 51.864872 | 0.162 | 548962 | 220686 | TL489206 | Yes |
| CM23 3GB | 51.861531 | 0.155885 | 548552 | 220302 | TL485203 | Yes |
| CM23 3GD | 51.865269 | 0.161438 | 548922 | 220729 | TL489207 | Yes |
| CM23 3GE | 51.865047 | 0.161747 | 548944 | 220705 | TL489207 | Yes |
| CM23 3GF | 51.865766 | 0.163728 | 549078 | 220789 | TL490207 | Yes |
| CM23 3GG | 51.867398 | 0.160073 | 548821 | 220963 | TL488209 | Yes |
| CM23 3GH | 51.86427 | 0.148202 | 548014 | 220591 | TL480205 | Yes |
| CM23 3GJ | 51.863965 | 0.148637 | 548045 | 220558 | TL480205 | Yes |
| CM23 3GL | 51.866518 | 0.163895 | 549087 | 220873 | TL490208 | Yes |
| CM23 3GN | 51.868467 | 0.162071 | 548955 | 221086 | TL489210 | Yes |
| CM23 3GP | 51.868467 | 0.162071 | 548955 | 221086 | TL489210 | Yes |
| CM23 3GQ | 51.870355 | 0.160142 | 548816 | 221292 | TL488212 | Yes |
| CM23 3GR | 51.863633 | 0.154519 | 548451 | 220533 | TL484205 | Yes |
| CM23 3GS | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3GT | 51.866217 | 0.163677 | 549073 | 220839 | TL490208 | Yes |
| CM23 3GU | 51.86615 | 0.164357 | 549120 | 220833 | TL491208 | Yes |
| CM23 3GW | 51.86243 | 0.16762 | 549357 | 220426 | TL493204 | Yes |
| CM23 3GX | 51.860903 | 0.153836 | 548413 | 220228 | TL484202 | Yes |
| CM23 3GY | 51.860348 | 0.163962 | 549112 | 220187 | TL491201 | Yes |
| CM23 3GZ | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3HA | 51.853868 | 0.157436 | 548684 | 219453 | TL486194 | Yes |
| CM23 3HB | 51.854105 | 0.157723 | 548703 | 219480 | TL487194 | Yes |
| CM23 3HD | 51.853343 | 0.156612 | 548629 | 219393 | TL486193 | Yes |
| CM23 3HE | 51.855614 | 0.16372 | 549111 | 219660 | TL491196 | Yes |
| CM23 3HF | 51.855728 | 0.164336 | 549153 | 219674 | TL491196 | Yes |
| CM23 3HG | 51.855665 | 0.164826 | 549187 | 219668 | TL491196 | Yes |
| CM23 3HH | 51.856327 | 0.165497 | 549231 | 219743 | TL492197 | No |
| CM23 3HJ | 51.864811 | 0.159397 | 548783 | 220674 | TL487206 | Yes |
| CM23 3HL | 51.865424 | 0.158337 | 548708 | 220740 | TL487207 | Yes |
| CM23 3HN | 51.864289 | 0.159459 | 548789 | 220616 | TL487206 | Yes |
| CM23 3HP | 51.864754 | 0.158116 | 548695 | 220665 | TL486206 | Yes |
| CM23 3HQ | 51.852337 | 0.166337 | 549302 | 219301 | TL493193 | No |
| CM23 3HR | 51.86498 | 0.158054 | 548690 | 220690 | TL486206 | Yes |
| CM23 3HS | 51.86543 | 0.160008 | 548823 | 220744 | TL488207 | Yes |
| CM23 3HT | 51.864322 | 0.160579 | 548866 | 220622 | TL488206 | Yes |
| CM23 3HU | 51.865133 | 0.162434 | 548991 | 220716 | TL489207 | Yes |
| CM23 3HW | 51.864177 | 0.15819 | 548702 | 220601 | TL487206 | No |
| CM23 3HX | 51.864778 | 0.162214 | 548977 | 220676 | TL489206 | Yes |
| CM23 3HY | 51.864097 | 0.162544 | 549002 | 220601 | TL490206 | No |
| CM23 3HZ | 51.864287 | 0.161522 | 548931 | 220620 | TL489206 | Yes |
| CM23 3JA | 51.864637 | 0.161553 | 548932 | 220659 | TL489206 | Yes |
| CM23 3JB | 51.864472 | 0.162228 | 548979 | 220642 | TL489206 | Yes |
| CM23 3JD | 51.863509 | 0.163257 | 549053 | 220537 | TL490205 | Yes |
| CM23 3JE | 51.863087 | 0.16418 | 549118 | 220492 | TL491204 | Yes |
| CM23 3JF | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3JG | 51.86256 | 0.163981 | 549106 | 220433 | TL491204 | Yes |
| CM23 3JH | 51.862543 | 0.163457 | 549070 | 220430 | TL490204 | Yes |
| CM23 3JJ | 51.860924 | 0.163946 | 549109 | 220251 | TL491202 | Yes |
| CM23 3JL | 51.861854 | 0.162291 | 548992 | 220351 | TL489203 | Yes |
| CM23 3JN | 51.861438 | 0.160935 | 548900 | 220302 | TL488203 | Yes |
| CM23 3JP | 51.861992 | 0.161601 | 548944 | 220365 | TL489203 | Yes |
| CM23 3JQ | 51.861419 | 0.164391 | 549138 | 220307 | TL491203 | Yes |
| CM23 3JR | 51.86248 | 0.162452 | 549001 | 220421 | TL490204 | Yes |
| CM23 3JS | 51.861376 | 0.159915 | 548830 | 220293 | TL488202 | Yes |
| CM23 3JT | 51.861996 | 0.16041 | 548862 | 220363 | TL488203 | Yes |
| CM23 3JU | 51.861851 | 0.159502 | 548800 | 220345 | TL487203 | Yes |
| CM23 3JW | 51.860252 | 0.163347 | 549070 | 220175 | TL490201 | Yes |
| CM23 3JX | 51.860253 | 0.165235 | 549200 | 220179 | TL491201 | Yes |