There are 956 postcodes in the built up area of Witham. The area contains approximately 10,901 households with a population of about 25,442 (2011 census)
 Active postcode
Active postcode 
   Postcode no longer in use
Postcode no longer in useThis table shows the first postcodes in the built up area, download the CSV file to get all the postcodes.
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? | 
|---|---|---|---|---|---|---|
| CM8 1AA | 51.798676 | 0.639006 | 582068 | 214408 | TL820144 | Yes | 
| CM8 1AB | 51.798861 | 0.639205 | 582081 | 214429 | TL820144 | Yes | 
| CM8 1AD | 51.798643 | 0.638888 | 582060 | 214404 | TL820144 | Yes | 
| CM8 1AE | 51.796466 | 0.637281 | 581958 | 214158 | TL819141 | Yes | 
| CM8 1AF | 51.789959 | 0.629085 | 581419 | 213414 | TL814134 | Yes | 
| CM8 1AG | 51.79004 | 0.629467 | 581445 | 213424 | TL814134 | Yes | 
| CM8 1AH | 51.798986 | 0.638806 | 582053 | 214442 | TL820144 | Yes | 
| CM8 1AJ | 51.795664 | 0.635363 | 581829 | 214064 | TL818140 | Yes | 
| CM8 1AL | 51.79814 | 0.637234 | 581948 | 214344 | TL819143 | Yes | 
| CM8 1AN | 51.79085 | 0.629064 | 581414 | 213513 | TL814135 | Yes | 
| CM8 1AP | 51.793875 | 0.629313 | 581419 | 213850 | TL814138 | Yes | 
| CM8 1AQ | 51.798415 | 0.638599 | 582041 | 214378 | TL820143 | No | 
| CM8 1AR | 51.79876 | 0.63846 | 582030 | 214416 | TL820144 | Yes | 
| CM8 1AS | 51.798587 | 0.638188 | 582012 | 214396 | TL820143 | No | 
| CM8 1AT | 51.790659 | 0.629546 | 581448 | 213493 | TL814134 | No | 
| CM8 1AU | 51.795488 | 0.635614 | 581847 | 214045 | TL818140 | Yes | 
| CM8 1AW | 51.799009 | 0.63859 | 582038 | 214444 | TL820144 | No | 
| CM8 1AX | 51.798077 | 0.639653 | 582115 | 214343 | TL821143 | Yes | 
| CM8 1AY | 51.798077 | 0.639653 | 582115 | 214343 | TL821143 | Yes | 
| CM8 1AZ | 51.799105 | 0.637116 | 581936 | 214451 | TL819144 | Yes | 
| CM8 1BA | 51.797633 | 0.637001 | 581934 | 214287 | TL819142 | Yes | 
| CM8 1BB | 51.800571 | 0.641945 | 582263 | 214626 | TL822146 | No | 
| CM8 1BD | 51.790206 | 0.630927 | 581545 | 213446 | TL815134 | Yes | 
| CM8 1BE | 51.797518 | 0.637299 | 581955 | 214275 | TL819142 | Yes | 
| CM8 1BG | 51.790025 | 0.63096 | 581548 | 213426 | TL815134 | Yes | 
| CM8 1BH | 51.797485 | 0.637573 | 581974 | 214272 | TL819142 | Yes | 
| CM8 1BJ | 51.799751 | 0.637575 | 581965 | 214524 | TL819145 | Yes | 
| CM8 1BL | 51.799731 | 0.637269 | 581944 | 214521 | TL819145 | No | 
| CM8 1BN | 51.799541 | 0.638926 | 582059 | 214504 | TL820145 | Yes | 
| CM8 1BP | 51.798615 | 0.635724 | 581842 | 214393 | TL818143 | Yes | 
| CM8 1BQ | 51.799702 | 0.638587 | 582035 | 214521 | TL820145 | Yes | 
| CM8 1BS | 51.798112 | 0.636072 | 581868 | 214338 | TL818143 | Yes | 
| CM8 1BT | 51.796014 | 0.634601 | 581775 | 214101 | TL817141 | Yes | 
| CM8 1BU | 51.795965 | 0.635192 | 581816 | 214097 | TL818140 | Yes | 
| CM8 1BW | 51.797541 | 0.635894 | 581858 | 214274 | TL818142 | Yes | 
| CM8 1BX | 51.794924 | 0.634668 | 581784 | 213980 | TL817139 | Yes | 
| CM8 1BY | 51.79386 | 0.636012 | 581881 | 213865 | TL818138 | Yes | 
| CM8 1BZ | 51.792199 | 0.637482 | 581989 | 213684 | TL819136 | Yes | 
| CM8 1DA | 51.793483 | 0.637963 | 582017 | 213828 | TL820138 | Yes | 
| CM8 1DB | 51.794723 | 0.63644 | 581907 | 213962 | TL819139 | Yes | 
| CM8 1DD | 51.794928 | 0.637322 | 581967 | 213987 | TL819139 | Yes | 
| CM8 1DE | 51.795392 | 0.636247 | 581891 | 214036 | TL818140 | Yes | 
| CM8 1DF | 51.794095 | 0.636374 | 581905 | 213892 | TL819138 | Yes | 
| CM8 1DG | 51.792517 | 0.636543 | 581923 | 213717 | TL819137 | Yes | 
| CM8 1DH | 51.792621 | 0.635505 | 581851 | 213726 | TL818137 | Yes | 
| CM8 1DJ | 51.792278 | 0.63476 | 581801 | 213686 | TL818136 | Yes | 
| CM8 1DL | 51.79057 | 0.631528 | 581585 | 213488 | TL815134 | Yes | 
| CM8 1DN | 51.799742 | 0.635181 | 581800 | 214517 | TL817145 | Yes | 
| CM8 1DP | 51.791103 | 0.632226 | 581631 | 213549 | TL816135 | Yes | 
| CM8 1DQ | 51.792938 | 0.635828 | 581872 | 213762 | TL818137 | Yes | 
| CM8 1DR | 51.800601 | 0.634999 | 581784 | 214612 | TL817146 | Yes | 
| CM8 1DS | 51.790289 | 0.63244 | 581649 | 213459 | TL816134 | Yes | 
| CM8 1DT | 51.793565 | 0.635111 | 581820 | 213830 | TL818138 | Yes | 
| CM8 1DU | 51.794174 | 0.634044 | 581744 | 213895 | TL817138 | Yes | 
| CM8 1DW | 51.798415 | 0.636597 | 581903 | 214373 | TL819143 | Yes | 
| CM8 1DX | 51.791271 | 0.629915 | 581471 | 213562 | TL814135 | Yes | 
| CM8 1DY | 51.795922 | 0.635103 | 581810 | 214092 | TL818140 | Yes | 
| CM8 1DZ | 51.790701 | 0.628476 | 581374 | 213495 | TL813134 | Yes | 
| CM8 1EA | 51.79358 | 0.633269 | 581693 | 213827 | TL816138 | Yes | 
| CM8 1ED | 51.785458 | 0.619224 | 580757 | 212889 | TL807128 | Yes | 
| CM8 1EE | 51.79075 | 0.627478 | 581305 | 213498 | TL813134 | Yes | 
| CM8 1EF | 51.792335 | 0.629832 | 581461 | 213680 | TL814136 | Yes | 
| CM8 1EG | 51.794141 | 0.632679 | 581650 | 213888 | TL816138 | Yes | 
| CM8 1EL | 51.791908 | 0.628009 | 581337 | 213628 | TL813136 | Yes | 
| CM8 1EN | 51.792505 | 0.627855 | 581324 | 213694 | TL813136 | Yes | 
| CM8 1EP | 51.796097 | 0.632082 | 581601 | 214104 | TL816141 | Yes | 
| CM8 1EQ | 51.794716 | 0.632335 | 581624 | 213951 | TL816139 | No | 
| CM8 1ER | 51.798634 | 0.628429 | 581339 | 214377 | TL813143 | Yes | 
| CM8 1ES | 51.797918 | 0.627097 | 581250 | 214294 | TL812142 | Yes | 
| CM8 1ET | 51.79359 | 0.630384 | 581494 | 213821 | TL814138 | Yes | 
| CM8 1EU | 51.792076 | 0.630528 | 581510 | 213653 | TL815136 | Yes | 
| CM8 1EW | 51.794155 | 0.631693 | 581582 | 213887 | TL815138 | Yes | 
| CM8 1EX | 51.798124 | 0.628733 | 581362 | 214321 | TL813143 | Yes | 
| CM8 1EY | 51.799222 | 0.629073 | 581381 | 214444 | TL813144 | Yes | 
| CM8 1EZ | 51.79981 | 0.630529 | 581479 | 214513 | TL814145 | Yes | 
| CM8 1FA | 51.795691 | 0.631754 | 581580 | 214058 | TL815140 | Yes | 
| CM8 1FB | 51.791208 | 0.618252 | 580667 | 213526 | TL806135 | Yes | 
| CM8 1FD | 51.791611 | 0.617913 | 580642 | 213570 | TL806135 | Yes | 
| CM8 1FE | 51.792541 | 0.618184 | 580657 | 213674 | TL806136 | Yes | 
| CM8 1FF | 51.789738 | 0.628927 | 581409 | 213389 | TL814133 | Yes | 
| CM8 1FG | 51.799218 | 0.638109 | 582004 | 214466 | TL820144 | Yes | 
| CM8 1FH | 51.798096 | 0.629588 | 581421 | 214320 | TL814143 | No | 
| CM8 1FJ | 51.787869 | 0.630428 | 581520 | 213185 | TL815131 | Yes | 
| CM8 1FL | 51.787526 | 0.629306 | 581444 | 213144 | TL814131 | Yes | 
| CM8 1FN | 51.786944 | 0.630795 | 581549 | 213083 | TL815130 | Yes | 
| CM8 1FP | 51.787275 | 0.630481 | 581526 | 213119 | TL815131 | Yes | 
| CM8 1FQ | 51.78639 | 0.623802 | 581069 | 213004 | TL810130 | Yes | 
| CM8 1FR | 51.788049 | 0.626813 | 581270 | 213196 | TL812131 | Yes | 
| CM8 1FS | 51.789581 | 0.627497 | 581311 | 213368 | TL813133 | Yes | 
| CM8 1FT | 51.789143 | 0.628182 | 581360 | 213321 | TL813133 | Yes | 
| CM8 1FU | 51.789181 | 0.624849 | 581130 | 213317 | TL811133 | Yes | 
| CM8 1FW | 51.790133 | 0.628123 | 581352 | 213431 | TL813134 | Yes | 
| CM8 1FX | 51.795075 | 0.641957 | 582286 | 214015 | TL822140 | Yes | 
| CM8 1FY | 51.792811 | 0.632253 | 581626 | 213739 | TL816137 | Yes | 
| CM8 1FZ | 51.792012 | 0.647797 | 582701 | 213689 | TL827136 | Yes | 
| CM8 1GA | 51.792272 | 0.617313 | 580598 | 213642 | TL805136 | Yes | 
| CM8 1GB | 51.788768 | 0.633279 | 581713 | 213292 | TL817132 | Yes | 
| CM8 1GE | 51.795831 | 0.632327 | 581619 | 214075 | TL816140 | Yes | 
| CM8 1GF | 51.791084 | 0.64709 | 582656 | 213584 | TL826135 | Yes | 
| CM8 1GG | 51.795699 | 0.632581 | 581637 | 214061 | TL816140 | Yes | 
| CM8 1GH | 51.794479 | 0.630871 | 581524 | 213921 | TL815139 | Yes | 
| CM8 1GJ | 51.794978 | 0.632263 | 581618 | 213980 | TL816139 | Yes | 
| CM8 1GN | 51.79061 | 0.645351 | 582538 | 213527 | TL825135 | Yes | 
| CM8 1GP | 51.79394 | 0.620774 | 580830 | 213836 | TL808138 | Yes | 
| CM8 1GQ | 51.795438 | 0.62337 | 581003 | 214009 | TL810140 | Yes | 
| CM8 1GR | 51.789034 | 0.625797 | 581196 | 213303 | TL811133 | Yes | 
| CM8 1GS | 51.789347 | 0.626294 | 581229 | 213339 | TL812133 | Yes | 
| CM8 1GT | 51.789499 | 0.627129 | 581286 | 213358 | TL812133 | Yes | 
| CM8 1GU | 51.789434 | 0.626836 | 581266 | 213350 | TL812133 | Yes | 
| CM8 1GW | 51.795227 | 0.630784 | 581515 | 214004 | TL815140 | Yes | 
| CM8 1GY | 51.795433 | 0.630404 | 581488 | 214026 | TL814140 | Yes | 
| CM8 1GZ | 51.78786 | 0.643653 | 582432 | 213217 | TL824132 | Yes | 
| CM8 1HA | 51.79911 | 0.630096 | 581452 | 214434 | TL814144 | Yes | 
| CM8 1HB | 51.799964 | 0.631684 | 581558 | 214533 | TL815145 | Yes | 
| CM8 1HD | 51.799105 | 0.631909 | 581577 | 214438 | TL815144 | Yes | 
| CM8 1HE | 51.80145 | 0.636847 | 581908 | 214711 | TL819147 | Yes | 
| CM8 1HF | 51.802074 | 0.63668 | 581894 | 214780 | TL818147 | Yes | 
| CM8 1HG | 51.790639 | 0.622787 | 580982 | 213474 | TL809134 | Yes | 
| CM8 1HH | 51.792028 | 0.625043 | 581132 | 213634 | TL811136 | Yes | 
| CM8 1HJ | 51.791647 | 0.626007 | 581200 | 213594 | TL811135 | Yes | 
| CM8 1HL | 51.791432 | 0.623558 | 581032 | 213564 | TL810135 | Yes | 
| CM8 1HN | 51.797976 | 0.642533 | 582314 | 214339 | TL823143 | Yes | 
| CM8 1HP | 51.797343 | 0.64312 | 582357 | 214270 | TL823142 | Yes | 
| CM8 1HQ | 51.790749 | 0.624708 | 581114 | 213491 | TL811134 | Yes | 
| CM8 1HR | 51.795189 | 0.644125 | 582435 | 214033 | TL824140 | Yes | 
| CM8 1HS | 51.792879 | 0.644062 | 582440 | 213776 | TL824137 | Yes | 
| CM8 1HT | 51.789041 | 0.64233 | 582336 | 213345 | TL823133 | Yes | 
| CM8 1HU | 51.786418 | 0.642989 | 582392 | 213055 | TL823130 | Yes | 
| CM8 1HW | 51.789094 | 0.635996 | 581899 | 213335 | TL818133 | Yes | 
| CM8 1HX | 51.787053 | 0.642388 | 582348 | 213124 | TL823131 | Yes | 
| CM8 1HY | 51.794616 | 0.645208 | 582512 | 213972 | TL825139 | Yes | 
| CM8 1HZ | 51.795135 | 0.64212 | 582297 | 214022 | TL822140 | No | 
| CM8 1JA | 51.793082 | 0.642609 | 582339 | 213795 | TL823137 | Yes | 
| CM8 1JB | 51.793264 | 0.640126 | 582167 | 213809 | TL821138 | Yes | 
| CM8 1JD | 51.791813 | 0.640664 | 582210 | 213649 | TL822136 | Yes | 
| CM8 1JE | 51.791771 | 0.64014 | 582174 | 213643 | TL821136 | Yes | 
| CM8 1JF | 51.793662 | 0.639641 | 582132 | 213852 | TL821138 | Yes | 
| CM8 1JG | 51.792331 | 0.640028 | 582164 | 213705 | TL821137 | Yes | 
| CM8 1JH | 51.791416 | 0.642324 | 582326 | 213609 | TL823136 | Yes | 
| CM8 1JJ | 51.791848 | 0.63868 | 582073 | 213648 | TL820136 | Yes | 
| CM8 1JL | 51.790596 | 0.639187 | 582113 | 213510 | TL821135 | Yes | 
| CM8 1JN | 51.790226 | 0.639238 | 582118 | 213469 | TL821134 | Yes | 
| CM8 1JP | 51.790754 | 0.641748 | 582289 | 213534 | TL822135 | Yes | 
| CM8 1JQ | 51.791603 | 0.64158 | 582274 | 213628 | TL822136 | Yes | 
| CM8 1JR | 51.789693 | 0.631346 | 581576 | 213390 | TL815133 | Yes | 
| CM8 1JS | 51.789933 | 0.636262 | 581914 | 213429 | TL819134 | Yes | 
| CM8 1JT | 51.789692 | 0.643804 | 582435 | 213421 | TL824134 | Yes | 
| CM8 1JU | 51.790214 | 0.634973 | 581824 | 213457 | TL818134 | Yes | 
| CM8 1JW | 51.792005 | 0.643301 | 582391 | 213677 | TL823136 | Yes | 
| CM8 1JX | 51.795871 | 0.644977 | 582491 | 214111 | TL824141 | Yes | 
| CM8 1JY | 51.795422 | 0.644922 | 582489 | 214061 | TL824140 | Yes | 
| CM8 1JZ | 51.794978 | 0.64507 | 582501 | 214012 | TL825140 | Yes | 
| CM8 1LA | 51.805194 | 0.626679 | 581192 | 215102 | TL811151 | Yes | 
| CM8 1LB | 51.805597 | 0.627152 | 581223 | 215148 | TL812151 | Yes | 
| CM8 1LD | 51.804838 | 0.626484 | 581180 | 215062 | TL811150 | Yes | 
| CM8 1LE | 51.804521 | 0.626582 | 581188 | 215027 | TL811150 | Yes | 
| CM8 1LF | 51.803808 | 0.626714 | 581200 | 214948 | TL811149 | Yes | 
| CM8 1LG | 51.803454 | 0.626839 | 581210 | 214909 | TL812149 | Yes | 
| CM8 1LH | 51.802548 | 0.627947 | 581290 | 214811 | TL812148 | Yes | 
| CM8 1LJ | 51.803695 | 0.627346 | 581244 | 214937 | TL812149 | Yes | 
| CM8 1LL | 51.803489 | 0.627711 | 581270 | 214915 | TL812149 | Yes | 
| CM8 1LN | 51.803231 | 0.627986 | 581290 | 214887 | TL812148 | Yes | 
| CM8 1LP | 51.806507 | 0.626668 | 581186 | 215248 | TL811152 | Yes | 
| CM8 1LQ | 51.802735 | 0.627247 | 581241 | 214830 | TL812148 | Yes | 
| CM8 1LR | 51.80628 | 0.620301 | 580748 | 215207 | TL807152 | Yes | 
| CM8 1LS | 51.806069 | 0.622508 | 580901 | 215189 | TL809151 | Yes | 
| CM8 1LT | 51.805736 | 0.619704 | 580709 | 215145 | TL807151 | Yes | 
| CM8 1LW | 51.803251 | 0.628292 | 581311 | 214890 | TL813148 | Yes | 
| CM8 1LX | 51.798092 | 0.621291 | 580849 | 214299 | TL808142 | Yes | 
| CM8 1LY | 51.798442 | 0.623762 | 581018 | 214344 | TL810143 | Yes | 
| CM8 1LZ | 51.797982 | 0.622619 | 580941 | 214290 | TL809142 | Yes | 
| CM8 1NA | 51.805409 | 0.624269 | 581025 | 215120 | TL810151 | Yes | 
| CM8 1NB | 51.797668 | 0.627401 | 581272 | 214267 | TL812142 | Yes | 
| CM8 1ND | 51.795352 | 0.629602 | 581433 | 214015 | TL814140 | Yes | 
| CM8 1NE | 51.805018 | 0.625261 | 581095 | 215079 | TL810150 | Yes | 
| CM8 1NF | 51.805839 | 0.625556 | 581112 | 215171 | TL811151 | Yes | 
| CM8 1NG | 51.789449 | 0.633768 | 581744 | 213369 | TL817133 | Yes | 
| CM8 1NH | 51.80676 | 0.624188 | 581014 | 215270 | TL810152 | Yes | 
| CM8 1NJ | 51.793777 | 0.626435 | 581221 | 213832 | TL812138 | Yes | 
| CM8 1NL | 51.793827 | 0.625438 | 581152 | 213835 | TL811138 | Yes | 
| CM8 1NN | 51.793038 | 0.623318 | 581009 | 213742 | TL810137 | Yes | 
| CM8 1NP | 51.793497 | 0.622895 | 580978 | 213792 | TL809137 | Yes | 
| CM8 1NQ | 51.795658 | 0.629634 | 581434 | 214049 | TL814140 | Yes | 
| CM8 1NR | 51.79366 | 0.623223 | 581000 | 213811 | TL809138 | Yes | 
| CM8 1NS | 51.794239 | 0.624287 | 581071 | 213878 | TL810138 | Yes | 
| CM8 1NT | 51.794823 | 0.624741 | 581100 | 213944 | TL810139 | Yes | 
| CM8 1NU | 51.794348 | 0.62467 | 581097 | 213891 | TL810138 | Yes | 
| CM8 1NW | 51.792925 | 0.621919 | 580913 | 213726 | TL809137 | Yes | 
| CM8 1NX | 51.794528 | 0.625449 | 581150 | 213913 | TL811139 | Yes | 
| CM8 1NY | 51.792827 | 0.621478 | 580883 | 213714 | TL808137 | Yes | 
| CM8 1NZ | 51.792253 | 0.623026 | 580992 | 213654 | TL809136 | Yes | 
| CM8 1PA | 51.793387 | 0.624977 | 581122 | 213785 | TL811137 | Yes | 
| CM8 1PB | 51.795094 | 0.626294 | 581206 | 213978 | TL812139 | Yes | 
| CM8 1PD | 51.794597 | 0.627179 | 581269 | 213925 | TL812139 | Yes | 
| CM8 1PE | 51.793909 | 0.627806 | 581315 | 213850 | TL813138 | Yes | 
| CM8 1PF | 51.794033 | 0.627074 | 581264 | 213862 | TL812138 | Yes | 
| CM8 1PG | 51.793739 | 0.628159 | 581340 | 213832 | TL813138 | Yes | 
| CM8 1PH | 51.792895 | 0.629314 | 581423 | 213741 | TL814137 | Yes | 
| CM8 1PJ | 51.792988 | 0.627158 | 581274 | 213746 | TL812137 | Yes | 
| CM8 1PL | 51.793769 | 0.62117 | 580858 | 213818 | TL808138 | Yes |