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 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 |
| CM23 3JY | 51.859213 | 0.164547 | 549156 | 220062 | TL491200 | Yes |
| CM23 3JZ | 51.860788 | 0.161558 | 548945 | 220231 | TL489202 | Yes |
| CM23 3LA | 51.86072 | 0.164764 | 549166 | 220230 | TL491202 | Yes |
| CM23 3LB | 51.861086 | 0.165421 | 549210 | 220272 | TL492202 | No |
| CM23 3LD | 51.861185 | 0.164888 | 549173 | 220282 | TL491202 | No |
| CM23 3LE | 51.861524 | 0.166546 | 549286 | 220323 | TL492203 | Yes |
| CM23 3LF | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3LG | 51.86045 | 0.165274 | 549202 | 220201 | TL492202 | No |
| CM23 3LH | 51.859379 | 0.163378 | 549075 | 220078 | TL490200 | Yes |
| CM23 3LJ | 51.859953 | 0.166354 | 549278 | 220148 | TL492201 | Yes |
| CM23 3LL | 51.859822 | 0.165694 | 549233 | 220132 | TL492201 | Yes |
| CM23 3LN | 51.859514 | 0.165781 | 549240 | 220098 | TL492200 | Yes |
| CM23 3LP | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3LQ | 51.859303 | 0.164086 | 549124 | 220071 | TL491200 | Yes |
| CM23 3LR | 51.857288 | 0.165093 | 549200 | 219849 | TL491198 | Yes |
| CM23 3LS | 51.857447 | 0.164273 | 549143 | 219865 | TL491198 | Yes |
| CM23 3LT | 51.857808 | 0.162243 | 549002 | 219901 | TL490199 | No |
| CM23 3LU | 51.8567 | 0.162364 | 549014 | 219778 | TL490197 | Yes |
| CM23 3LW | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3LX | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3LY | 51.858889 | 0.162643 | 549026 | 220022 | TL490200 | Yes |
| CM23 3LZ | 51.859469 | 0.161407 | 548939 | 220084 | TL489200 | Yes |
| CM23 3NA | 51.860275 | 0.159645 | 548815 | 220170 | TL488201 | Yes |
| CM23 3NB | 51.861298 | 0.157806 | 548685 | 220280 | TL486202 | Yes |
| CM23 3ND | 51.858437 | 0.162781 | 549037 | 219972 | TL490199 | Yes |
| CM23 3NE | 51.859488 | 0.160348 | 548866 | 220084 | TL488200 | Yes |
| CM23 3NF | 51.860787 | 0.15768 | 548678 | 220223 | TL486202 | Yes |
| CM23 3NG | 51.857375 | 0.15939 | 548807 | 219847 | TL488198 | Yes |
| CM23 3NH | 51.857655 | 0.161741 | 548968 | 219883 | TL489198 | Yes |
| CM23 3NJ | 51.858339 | 0.158782 | 548762 | 219953 | TL487199 | Yes |
| CM23 3NL | 51.858501 | 0.158311 | 548729 | 219970 | TL487199 | Yes |
| CM23 3NN | 51.857378 | 0.155309 | 548526 | 219839 | TL485198 | Yes |
| CM23 3NP | 51.856479 | 0.155281 | 548527 | 219739 | TL485197 | Yes |
| CM23 3NQ | 51.857791 | 0.159264 | 548797 | 219893 | TL487198 | Yes |
| CM23 3NR | 51.856897 | 0.156506 | 548610 | 219788 | TL486197 | Yes |
| CM23 3NS | 51.860811 | 0.159801 | 548824 | 220230 | TL488202 | Yes |
| CM23 3NT | 51.860011 | 0.161767 | 548962 | 220145 | TL489201 | Yes |
| CM23 3NU | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3NW | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3NX | 51.857672 | 0.163296 | 549075 | 219888 | TL490198 | Yes |
| CM23 3NY | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3NZ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3PA | 51.86266 | 0.160006 | 548832 | 220436 | TL488204 | Yes |
| CM23 3PB | 51.863582 | 0.160224 | 548844 | 220539 | TL488205 | Yes |
| CM23 3PD | 51.862172 | 0.157208 | 548641 | 220376 | TL486203 | Yes |
| CM23 3PE | 51.862219 | 0.155105 | 548496 | 220377 | TL484203 | Yes |
| CM23 3PF | 51.861504 | 0.156334 | 548583 | 220300 | TL485202 | Yes |
| CM23 3PG | 51.862419 | 0.15844 | 548725 | 220406 | TL487204 | No |
| CM23 3PH | 51.863561 | 0.159439 | 548790 | 220535 | TL487205 | Yes |
| CM23 3PJ | 51.861493 | 0.158454 | 548729 | 220303 | TL487203 | Yes |
| CM23 3PL | 51.862849 | 0.156558 | 548594 | 220450 | TL485204 | Yes |
| CM23 3PN | 51.859156 | 0.154435 | 548460 | 220035 | TL484200 | Yes |
| CM23 3PP | 51.861111 | 0.15572 | 548542 | 220255 | TL485202 | Yes |
| CM23 3PQ | 51.861428 | 0.155619 | 548534 | 220290 | TL485202 | Yes |
| CM23 3PR | 51.860894 | 0.15629 | 548582 | 220232 | TL485202 | Yes |
| CM23 3PS | 51.860372 | 0.156803 | 548619 | 220175 | TL486201 | Yes |
| CM23 3PT | 51.859451 | 0.155989 | 548566 | 220071 | TL485200 | Yes |
| CM23 3PU | 51.859622 | 0.156999 | 548635 | 220092 | TL486200 | Yes |
| CM23 3PW | 51.859203 | 0.155295 | 548519 | 220042 | TL485200 | Yes |
| CM23 3PX | 51.858817 | 0.155262 | 548518 | 219999 | TL485199 | Yes |
| CM23 3PY | 51.858315 | 0.153248 | 548381 | 219939 | TL483199 | Yes |
| CM23 3PZ | 51.859738 | 0.155073 | 548502 | 220101 | TL485201 | No |
| CM23 3QA | 51.858273 | 0.152578 | 548335 | 219933 | TL483199 | Yes |
| CM23 3QB | 51.858282 | 0.151082 | 548232 | 219931 | TL482199 | Yes |
| CM23 3QD | 51.858441 | 0.150741 | 548208 | 219948 | TL482199 | Yes |
| CM23 3QE | 51.859713 | 0.153518 | 548395 | 220095 | TL483200 | Yes |
| CM23 3QF | 51.863956 | 0.149625 | 548113 | 220559 | TL481205 | Yes |
| CM23 3QG | 51.86173 | 0.150913 | 548209 | 220314 | TL482203 | Yes |
| CM23 3QH | 51.865494 | 0.154564 | 548448 | 220740 | TL484207 | Yes |
| CM23 3QJ | 51.865337 | 0.150852 | 548193 | 220715 | TL481207 | Yes |
| CM23 3QL | 51.865172 | 0.154447 | 548441 | 220704 | TL484207 | Yes |
| CM23 3QN | 51.865024 | 0.150256 | 548153 | 220679 | TL481206 | Yes |
| CM23 3QP | 51.865605 | 0.152899 | 548333 | 220749 | TL483207 | Yes |
| CM23 3QQ | 51.863121 | 0.150572 | 548181 | 220468 | TL481204 | Yes |
| CM23 3QR | 51.865371 | 0.148486 | 548030 | 220714 | TL480207 | Yes |
| CM23 3QS | 51.863144 | 0.14931 | 548094 | 220468 | TL480204 | Yes |
| CM23 3QT | 51.86236 | 0.149853 | 548134 | 220382 | TL481203 | Yes |
| CM23 3QU | 51.85979 | 0.151227 | 548237 | 220099 | TL482200 | Yes |
| CM23 3QW | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3QX | 51.863187 | 0.149878 | 548133 | 220474 | TL481204 | Yes |
| CM23 3QY | 51.862013 | 0.150665 | 548191 | 220345 | TL481203 | Yes |
| CM23 3QZ | 51.859745 | 0.151733 | 548272 | 220095 | TL482200 | Yes |
| CM23 3RA | 51.858146 | 0.152122 | 548304 | 219918 | TL483199 | Yes |
| CM23 3RB | 51.863956 | 0.149625 | 548113 | 220559 | TL481205 | No |
| CM23 3RD | 51.8637 | 0.151355 | 548233 | 220534 | TL482205 | Yes |
| CM23 3RE | 51.863362 | 0.15163 | 548253 | 220497 | TL482204 | Yes |
| CM23 3RF | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3RG | 51.862732 | 0.152137 | 548290 | 220428 | TL482204 | Yes |
| CM23 3RH | 51.862684 | 0.154764 | 548471 | 220428 | TL484204 | Yes |
| CM23 3RJ | 51.861397 | 0.152407 | 548313 | 220280 | TL483202 | Yes |
| CM23 3RL | 51.861773 | 0.154909 | 548484 | 220327 | TL484203 | Yes |
| CM23 3RN | 51.861171 | 0.152963 | 548352 | 220256 | TL483202 | Yes |
| CM23 3RP | 51.862275 | 0.152536 | 548319 | 220378 | TL483203 | Yes |
| CM23 3RQ | 51.863017 | 0.152325 | 548302 | 220460 | TL483204 | Yes |
| CM23 3RR | 51.861934 | 0.152999 | 548352 | 220341 | TL483203 | Yes |
| CM23 3RS | 51.859777 | 0.152461 | 548322 | 220100 | TL483200 | Yes |
| CM23 3RT | 51.86423 | 0.155288 | 548502 | 220601 | TL485206 | No |
| CM23 3RU | 51.869014 | 0.158771 | 548726 | 221140 | TL487211 | Yes |
| CM23 3RW | 51.863148 | 0.153522 | 548384 | 220477 | TL483204 | Yes |
| CM23 3RX | 51.868856 | 0.159504 | 548777 | 221124 | TL487211 | Yes |
| CM23 3RY | 51.867805 | 0.158974 | 548744 | 221006 | TL487210 | No |
| CM23 3RZ | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3SA | 51.867802 | 0.160078 | 548820 | 221008 | TL488210 | Yes |
| CM23 3SB | 51.867375 | 0.157385 | 548636 | 220955 | TL486209 | Yes |
| CM23 3SD | 51.86773 | 0.158143 | 548687 | 220996 | TL486209 | Yes |
| CM23 3SE | 51.867487 | 0.159656 | 548792 | 220972 | TL487209 | Yes |
| CM23 3SF | 51.869739 | 0.155973 | 548531 | 221215 | TL485212 | Yes |
| CM23 3SG | 51.867465 | 0.159336 | 548770 | 220969 | TL487209 | Yes |
| CM23 3SH | 51.868362 | 0.159466 | 548776 | 221069 | TL487210 | Yes |
| CM23 3SJ | 51.868613 | 0.158519 | 548710 | 221095 | TL487210 | Yes |
| CM23 3SL | 51.869283 | 0.159263 | 548759 | 221171 | TL487211 | Yes |
| CM23 3SN | 51.869449 | 0.1576 | 548644 | 221186 | TL486211 | Yes |
| CM23 3SP | 51.869011 | 0.157434 | 548634 | 221137 | TL486211 | Yes |
| CM23 3SQ | 51.86681 | 0.155339 | 548497 | 220888 | TL484208 | Yes |
| CM23 3SR | 51.868442 | 0.157552 | 548644 | 221074 | TL486210 | Yes |
| CM23 3SS | 51.867593 | 0.156306 | 548561 | 220977 | TL485209 | Yes |
| CM23 3ST | 51.866898 | 0.156432 | 548572 | 220900 | TL485208 | Yes |
| CM23 3SU | 51.866001 | 0.156825 | 548602 | 220801 | TL486208 | No |
| CM23 3SW | 51.866491 | 0.156079 | 548549 | 220854 | TL485208 | Yes |
| CM23 3SX | 51.867903 | 0.156582 | 548579 | 221012 | TL485210 | Yes |
| CM23 3SY | 51.867143 | 0.154846 | 548462 | 220924 | TL484209 | Yes |
| CM23 3SZ | 51.866763 | 0.160362 | 548843 | 220893 | TL488208 | No |
| CM23 3TA | 51.86628 | 0.153875 | 548398 | 220826 | TL483208 | Yes |
| CM23 3TB | 51.8661 | 0.154375 | 548433 | 220807 | TL484208 | Yes |
| CM23 3TD | 51.865922 | 0.153742 | 548390 | 220786 | TL483207 | No |
| CM23 3TE | 51.868014 | 0.157837 | 548665 | 221027 | TL486210 | Yes |
| CM23 3TF | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3TG | 51.867135 | 0.159218 | 548763 | 220932 | TL487209 | Yes |
| CM23 3TH | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |
| CM23 3TJ | 51.866001 | 0.159236 | 548768 | 220806 | TL487208 | Yes |
| CM23 3TL | 51.866383 | 0.159037 | 548753 | 220848 | TL487208 | Yes |
| CM23 3TN | 51.866768 | 0.156673 | 548589 | 220886 | TL485208 | Yes |
| CM23 3TP | 51.866277 | 0.157957 | 548679 | 220834 | TL486208 | Yes |
| CM23 3TQ | 51.864736 | 0.147788 | 547984 | 220642 | TL479206 | Yes |
| CM23 3TR | 51.866494 | 0.15788 | 548673 | 220858 | TL486208 | Yes |
| CM23 3TS | 51.865933 | 0.158057 | 548687 | 220796 | TL486207 | Yes |
| CM23 3TT | 51.866139 | 0.158124 | 548691 | 220819 | TL486208 | Yes |
| CM23 3TU | 51.865668 | 0.157797 | 548670 | 220766 | TL486207 | Yes |
| CM23 3TW | 51.866711 | 0.157324 | 548634 | 220881 | TL486208 | Yes |
| CM23 3TX | 51.866494 | 0.159333 | 548773 | 220861 | TL487208 | Yes |
| CM23 3TY | 51.86712 | 0.156574 | 548581 | 220925 | TL485209 | Yes |
| CM23 3TZ | 51.862471 | 0.158559 | 548733 | 220412 | TL487204 | No |