This page provides postcode data for the Hertfordshire English ceremonial county. Hertfordshire contains approximately 453,813 households with a population of about 1,116,077 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SG12 8DL | 51.787082 | 0.002814 | 538240 | 211722 | TL382117 | Yes |
| SG12 8DN | 51.785105 | 0.002176 | 538202 | 211501 | TL382115 | No |
| SG12 8DP | 51.78508 | 0.003624 | 538302 | 211501 | TL383115 | No |
| SG12 8DQ | 51.794189 | 0.017848 | 539255 | 212541 | TL392125 | No |
| SG12 8DR | 51.791098 | 0.000338 | 538057 | 212164 | TL380121 | Yes |
| SG12 8DS | 51.787954 | 0.001229 | 538128 | 211816 | TL381118 | Yes |
| SG12 8DT | 51.787459 | 0.000714 | 538094 | 211760 | TL380117 | Yes |
| SG12 8DU | 51.787623 | -0.000482 | 538011 | 211776 | TL380117 | Yes |
| SG12 8DW | 51.790765 | -0.002257 | 537879 | 212122 | TL378121 | Yes |
| SG12 8DX | 51.788346 | -0.000146 | 538032 | 211857 | TL380118 | Yes |
| SG12 8DY | 51.788644 | -0.000234 | 538025 | 211890 | TL380118 | Yes |
| SG12 8DZ | 51.789953 | -0.001554 | 537930 | 212033 | TL379120 | Yes |
| SG12 8EA | 51.790842 | -0.00311 | 537820 | 212129 | TL378121 | Yes |
| SG12 8EB | 51.791672 | -0.003276 | 537806 | 212221 | TL378122 | Yes |
| SG12 8ED | 51.791628 | -0.00277 | 537841 | 212217 | TL378122 | Yes |
| SG12 8EE | 51.788441 | 0.001642 | 538155 | 211871 | TL381118 | Yes |
| SG12 8EF | 51.789221 | 0.000748 | 538091 | 211956 | TL380119 | Yes |
| SG12 8EG | 51.785239 | -0.000385 | 538025 | 211511 | TL380115 | Yes |
| SG12 8EH | 51.785828 | -0.002273 | 537893 | 211573 | TL378115 | Yes |
| SG12 8EJ | 51.783967 | -0.000194 | 538042 | 211370 | TL380113 | No |
| SG12 8EL | 51.790668 | -0.000275 | 538016 | 212115 | TL380121 | Yes |
| SG12 8EN | 51.780176 | -0.005175 | 537710 | 210939 | TL377109 | Yes |
| SG12 8EP | 51.77967 | -0.0103 | 537358 | 210873 | TL373108 | Yes |
| SG12 8EQ | 51.785258 | 0.000573 | 538091 | 211515 | TL380115 | Yes |
| SG12 8ER | 51.779801 | -0.0048 | 537737 | 210898 | TL377108 | Yes |
| SG12 8ES | 51.785857 | -0.002924 | 537848 | 211575 | TL378115 | Yes |
| SG12 8ET | 51.787321 | -0.000148 | 538035 | 211743 | TL380117 | Yes |
| SG12 8EU | 51.790668 | -0.000275 | 538016 | 212115 | TL380121 | Yes |
| SG12 8EW | 51.780066 | -0.010355 | 537353 | 210917 | TL373109 | Yes |
| SG12 8EX | 51.784904 | 0.011823 | 538868 | 211497 | TL388114 | Yes |
| SG12 8EY | 51.787562 | 0.011564 | 538842 | 211792 | TL388117 | Yes |
| SG12 8EZ | 51.787937 | 0.010102 | 538740 | 211831 | TL387118 | Yes |
| SG12 8FA | 51.822969 | 0.059663 | 542048 | 215822 | TL420158 | Yes |
| SG12 8FB | 51.791269 | -0.002844 | 537837 | 212177 | TL378121 | Yes |
| SG12 8FD | 51.822529 | 0.05497 | 541726 | 215764 | TL417157 | Yes |
| SG12 8FE | 51.822105 | 0.053514 | 541627 | 215714 | TL416157 | Yes |
| SG12 8FF | 51.805632 | 0.051881 | 541566 | 213879 | TL415138 | Yes |
| SG12 8FG | 51.805388 | 0.050927 | 541501 | 213850 | TL415138 | Yes |
| SG12 8FH | 51.82024 | 0.059915 | 542074 | 215519 | TL420155 | Yes |
| SG12 8FJ | 51.807973 | 0.058442 | 542011 | 214152 | TL420141 | Yes |
| SG12 8FL | 51.807444 | 0.057272 | 541932 | 214091 | TL419140 | Yes |
| SG12 8FN | 51.784128 | -0.000144 | 538045 | 211388 | TL380113 | Yes |
| SG12 8FP | 51.781074 | -0.000873 | 538004 | 211047 | TL380110 | Yes |
| SG12 8FQ | 51.821779 | 0.051584 | 541495 | 215674 | TL414156 | Yes |
| SG12 8FR | 51.783072 | -0.000408 | 538030 | 211270 | TL380112 | Yes |
| SG12 8FS | 51.781074 | -0.000873 | 538004 | 211047 | TL380110 | Yes |
| SG12 8GA | 51.785547 | 0.001586 | 538160 | 211549 | TL381115 | Yes |
| SG12 8GF | 51.783967 | -0.000194 | 538042 | 211370 | TL380113 | No |
| SG12 8HA | 51.786333 | 0.012437 | 538906 | 211657 | TL389116 | Yes |
| SG12 8HB | 51.785181 | 0.014024 | 539019 | 211532 | TL390115 | Yes |
| SG12 8HD | 51.784668 | 0.012523 | 538917 | 211472 | TL389114 | Yes |
| SG12 8HE | 51.784028 | 0.013654 | 538997 | 211403 | TL389114 | No |
| SG12 8HF | 51.785855 | 0.010908 | 538802 | 211601 | TL388116 | No |
| SG12 8HG | 51.787206 | 0.008184 | 538610 | 211746 | TL386117 | Yes |
| SG12 8HH | 51.785897 | 0.011649 | 538853 | 211607 | TL388116 | Yes |
| SG12 8HJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8HL | 51.783516 | 0.008905 | 538671 | 211337 | TL386113 | Yes |
| SG12 8HN | 51.787932 | 0.00884 | 538653 | 211828 | TL386118 | Yes |
| SG12 8HP | 51.784468 | 0.012079 | 538887 | 211449 | TL388114 | Yes |
| SG12 8HQ | 51.787101 | 0.010616 | 538778 | 211739 | TL387117 | Yes |
| SG12 8HR | 51.787174 | 0.012649 | 538918 | 211751 | TL389117 | Yes |
| SG12 8HS | 51.787708 | 0.011919 | 538866 | 211809 | TL388118 | Yes |
| SG12 8HT | 51.788648 | 0.012178 | 538881 | 211914 | TL388119 | Yes |
| SG12 8HU | 51.789035 | 0.010078 | 538735 | 211953 | TL387119 | Yes |
| SG12 8HW | 51.786205 | 0.01046 | 538770 | 211639 | TL387116 | No |
| SG12 8HX | 51.789926 | 0.011075 | 538801 | 212054 | TL388120 | Yes |
| SG12 8HY | 51.790154 | 0.01036 | 538751 | 212078 | TL387120 | Yes |
| SG12 8HZ | 51.789947 | 0.009843 | 538716 | 212054 | TL387120 | Yes |
| SG12 8JA | 51.786737 | 0.011962 | 538872 | 211701 | TL388117 | Yes |
| SG12 8JB | 51.786178 | 0.015156 | 539094 | 211645 | TL390116 | Yes |
| SG12 8JD | 51.786236 | 0.013346 | 538969 | 211648 | TL389116 | Yes |
| SG12 8JE | 51.78739 | 0.015819 | 539136 | 211781 | TL391117 | Yes |
| SG12 8JF | 51.78743 | 0.014545 | 539048 | 211783 | TL390117 | Yes |
| SG12 8JG | 51.787735 | 0.013529 | 538977 | 211815 | TL389118 | Yes |
| SG12 8JH | 51.786725 | 0.01476 | 539065 | 211705 | TL390117 | Yes |
| SG12 8JL | 51.78457 | 0.0035 | 538295 | 211444 | TL382114 | Yes |
| SG12 8JN | 51.786365 | 0.003174 | 538267 | 211643 | TL382116 | Yes |
| SG12 8JP | 51.78538 | 0.015019 | 539087 | 211556 | TL390115 | Yes |
| SG12 8JQ | 51.786594 | 0.013957 | 539010 | 211689 | TL390116 | Yes |
| SG12 8JR | 51.784646 | 0.01748 | 539259 | 211479 | TL392114 | Yes |
| SG12 8JS | 51.773799 | 0.011778 | 538899 | 210262 | TL388102 | Yes |
| SG12 8JT | 51.786114 | 0.016255 | 539170 | 211640 | TL391116 | Yes |
| SG12 8JU | 51.783627 | 0.022828 | 539631 | 211376 | TL396113 | Yes |
| SG12 8JW | 51.78562 | 0.003083 | 538263 | 211560 | TL382115 | Yes |
| SG12 8JX | 51.781491 | 0.01473 | 539079 | 211123 | TL390111 | Yes |
| SG12 8JY | 51.774877 | 0.017103 | 539263 | 210392 | TL392103 | Yes |
| SG12 8JZ | 51.781209 | 0.027997 | 539995 | 211117 | TL399111 | Yes |
| SG12 8LA | 51.792908 | 0.023852 | 539673 | 212410 | TL396124 | Yes |
| SG12 8LB | 51.784327 | 0.045796 | 541213 | 211498 | TL412114 | Yes |
| SG12 8LD | 51.781333 | 0.043167 | 541041 | 211160 | TL410111 | Yes |
| SG12 8LE | 51.784763 | 0.062011 | 542330 | 211578 | TL423115 | Yes |
| SG12 8LF | 51.783024 | 0.058133 | 542068 | 211377 | TL420113 | Yes |
| SG12 8LG | 51.786833 | 0.058829 | 542104 | 211802 | TL421118 | Yes |
| SG12 8LH | 51.790043 | 0.017924 | 539273 | 212080 | TL392120 | Yes |
| SG12 8LJ | 51.792703 | 0.023234 | 539631 | 212386 | TL396123 | Yes |
| SG12 8LL | 51.784727 | 0.002724 | 538241 | 211460 | TL382114 | Yes |
| SG12 8LN | 51.794194 | 0.01808 | 539271 | 212542 | TL392125 | Yes |
| SG12 8LP | 51.803228 | 0.007286 | 538499 | 213526 | TL384135 | Yes |
| SG12 8LQ | 51.783953 | 0.002777 | 538247 | 211374 | TL382113 | Yes |
| SG12 8LR | 51.80403 | 0.008221 | 538561 | 213617 | TL385136 | Yes |
| SG12 8LS | 51.808329 | 0.006614 | 538437 | 214092 | TL384140 | Yes |
| SG12 8LT | 51.799238 | -0.001361 | 537915 | 213066 | TL379130 | Yes |
| SG12 8LU | 51.802431 | -0.00721 | 537502 | 213410 | TL375134 | No |
| SG12 8LW | 51.795493 | 0.019429 | 539360 | 212689 | TL393126 | Yes |
| SG12 8LX | 51.802526 | 0.00096 | 538065 | 213436 | TL380134 | Yes |
| SG12 8LY | 51.801685 | 0.001793 | 538125 | 213344 | TL381133 | Yes |
| SG12 8LZ | 51.802431 | -0.00721 | 537502 | 213410 | TL375134 | Yes |
| SG12 8NA | 51.801452 | -0.007253 | 537502 | 213301 | TL375133 | No |
| SG12 8NB | 51.806291 | -0.013712 | 537042 | 213827 | TL370138 | Yes |
| SG12 8ND | 51.807272 | 0.020565 | 539402 | 214001 | TL394140 | No |
| SG12 8NE | 51.806941 | -0.012813 | 537102 | 213901 | TL371139 | No |
| SG12 8NF | 51.806941 | -0.012813 | 537102 | 213901 | TL371139 | No |
| SG12 8NG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8NH | 51.807391 | 0.053658 | 541683 | 214078 | TL416140 | Yes |
| SG12 8NJ | 51.808221 | 0.05503 | 541775 | 214173 | TL417141 | Yes |
| SG12 8NL | 51.809883 | 0.05512 | 541776 | 214358 | TL417143 | Yes |
| SG12 8NN | 51.812586 | 0.054329 | 541713 | 214657 | TL417146 | Yes |
| SG12 8NP | 51.810308 | 0.055009 | 541767 | 214405 | TL417144 | Yes |
| SG12 8NQ | 51.811143 | 0.055584 | 541804 | 214499 | TL418144 | Yes |
| SG12 8NR | 51.809823 | 0.057032 | 541908 | 214355 | TL419143 | Yes |
| SG12 8NS | 51.810881 | 0.057182 | 541915 | 214473 | TL419144 | Yes |
| SG12 8NT | 51.808469 | 0.055738 | 541823 | 214202 | TL418142 | Yes |
| SG12 8NU | 51.808283 | 0.057136 | 541920 | 214184 | TL419141 | Yes |
| SG12 8NW | 51.811726 | 0.055132 | 541771 | 214563 | TL417145 | Yes |
| SG12 8NX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 8NY | 51.806694 | 0.053902 | 541702 | 214001 | TL417140 | No |
| SG12 8NZ | 51.807674 | 0.055484 | 541808 | 214113 | TL418141 | Yes |
| SG12 8PA | 51.807138 | 0.054734 | 541758 | 214052 | TL417140 | Yes |
| SG12 8PB | 51.806506 | 0.055939 | 541843 | 213984 | TL418139 | Yes |
| SG12 8PD | 51.806496 | 0.056475 | 541880 | 213984 | TL418139 | Yes |
| SG12 8PE | 51.801955 | 0.053919 | 541718 | 213474 | TL417134 | Yes |
| SG12 8PF | 51.802314 | 0.054442 | 541753 | 213515 | TL417135 | No |
| SG12 8PG | 51.800958 | 0.053293 | 541678 | 213362 | TL416133 | Yes |
| SG12 8PH | 51.80565 | 0.056552 | 541888 | 213890 | TL418138 | Yes |
| SG12 8PL | 51.799797 | 0.053385 | 541688 | 213233 | TL416132 | Yes |
| SG12 8PN | 51.80042 | 0.052688 | 541638 | 213301 | TL416133 | Yes |
| SG12 8PP | 51.797962 | 0.054419 | 541765 | 213031 | TL417130 | Yes |
| SG12 8PQ | 51.801328 | 0.052208 | 541602 | 213401 | TL416134 | No |
| SG12 8PR | 51.796911 | 0.047656 | 541302 | 212901 | TL413129 | No |
| SG12 8PS | 51.799003 | 0.040615 | 540810 | 213120 | TL408131 | Yes |
| SG12 8PT | 51.794031 | 0.040043 | 540786 | 212566 | TL407125 | Yes |
| SG12 8PU | 51.797606 | 0.033519 | 540325 | 212951 | TL403129 | Yes |
| SG12 8PW | 51.798689 | 0.049854 | 541448 | 213103 | TL414131 | Yes |
| SG12 8PZ | 51.801798 | 0.048994 | 541379 | 213447 | TL413134 | Yes |
| SG12 8QA | 51.807333 | 0.043574 | 540988 | 214052 | TL409140 | Yes |
| SG12 8QB | 51.803449 | 0.052304 | 541602 | 213637 | TL416136 | Yes |
| SG12 8QD | 51.806354 | 0.050695 | 541482 | 213957 | TL414139 | Yes |
| SG12 8QE | 51.807307 | 0.049708 | 541411 | 214061 | TL414140 | Yes |
| SG12 8QF | 51.807364 | 0.051597 | 541541 | 214071 | TL415140 | Yes |
| SG12 8QG | 51.805783 | 0.053048 | 541646 | 213898 | TL416138 | Yes |
| SG12 8QH | 51.806424 | 0.052889 | 541633 | 213969 | TL416139 | Yes |
| SG12 8QJ | 51.806216 | 0.051951 | 541569 | 213944 | TL415139 | Yes |
| SG12 8QL | 51.80708 | 0.049829 | 541420 | 214036 | TL414140 | Yes |
| SG12 8QP | 51.807821 | 0.04287 | 540938 | 214105 | TL409141 | Yes |
| SG12 8QQ | 51.806273 | 0.053796 | 541696 | 213954 | TL416139 | Yes |
| SG12 8QT | 51.786179 | 0.011416 | 538836 | 211638 | TL388116 | Yes |
| SG12 8RA | 51.823913 | 0.059169 | 542011 | 215926 | TL420159 | Yes |
| SG12 8RB | 51.82355 | 0.05879 | 541986 | 215885 | TL419158 | Yes |
| SG12 8RD | 51.824156 | 0.058121 | 541938 | 215951 | TL419159 | Yes |
| SG12 8RE | 51.822692 | 0.05595 | 541793 | 215784 | TL417157 | Yes |
| SG12 8RF | 51.822239 | 0.055088 | 541735 | 215732 | TL417157 | Yes |
| SG12 8RG | 51.821208 | 0.053401 | 541622 | 215614 | TL416156 | Yes |
| SG12 8RH | 51.825135 | 0.058688 | 541974 | 216061 | TL419160 | Yes |
| SG12 8RJ | 51.823906 | 0.05853 | 541967 | 215924 | TL419159 | Yes |
| SG12 8RL | 51.822902 | 0.048036 | 541247 | 215792 | TL412157 | Yes |
| SG12 8RN | 51.82367 | 0.039045 | 540625 | 215860 | TL406158 | Yes |
| SG12 8RP | 51.831866 | 0.046571 | 541118 | 216786 | TL411167 | Yes |
| SG12 8RQ | 51.821566 | 0.053461 | 541625 | 215654 | TL416156 | Yes |
| SG12 8RR | 51.825639 | 0.05041 | 541402 | 216101 | TL414161 | No |
| SG12 8RS | 51.819585 | 0.055692 | 541785 | 215438 | TL417154 | Yes |
| SG12 8RT | 51.819678 | 0.059121 | 542021 | 215455 | TL420154 | Yes |
| SG12 8RW | 51.827636 | 0.042141 | 540826 | 216307 | TL408163 | Yes |
| SG12 8RX | 51.819172 | 0.060273 | 542102 | 215401 | TL421154 | No |
| SG12 8RY | 51.819117 | 0.059821 | 542071 | 215394 | TL420153 | Yes |
| SG12 8RZ | 51.817906 | 0.059171 | 542030 | 215258 | TL420152 | Yes |
| SG12 8SA | 51.82219 | 0.058437 | 541966 | 215733 | TL419157 | Yes |
| SG12 8SB | 51.81515 | 0.055781 | 541805 | 214945 | TL418149 | Yes |
| SG12 8SD | 51.822428 | 0.058172 | 541947 | 215759 | TL419157 | Yes |
| SG12 8SE | 51.820815 | 0.058897 | 542002 | 215581 | TL420155 | Yes |
| SG12 8SF | 51.821823 | 0.057826 | 541925 | 215691 | TL419156 | Yes |
| SG12 8SG | 51.822173 | 0.058901 | 541998 | 215732 | TL419157 | Yes |
| SG12 8SH | 51.82281 | 0.057435 | 541895 | 215800 | TL418157 | Yes |
| SG12 8SJ | 51.823155 | 0.058801 | 541988 | 215841 | TL419158 | Yes |
| SG12 8SL | 51.821554 | 0.059293 | 542027 | 215664 | TL420156 | Yes |
| SG12 8SN | 51.823976 | 0.059665 | 542045 | 215934 | TL420159 | Yes |
| SG12 8SP | 51.824245 | 0.059706 | 542047 | 215964 | TL420159 | Yes |
| SG12 8SQ | 51.824133 | 0.06047 | 542100 | 215953 | TL420159 | Yes |
| SG12 8SR | 51.824206 | 0.059356 | 542023 | 215959 | TL420159 | Yes |
| SG12 8ST | 51.824654 | 0.059957 | 542063 | 216010 | TL420160 | Yes |
| SG12 8SW | 51.82461 | 0.059418 | 542026 | 216004 | TL420160 | Yes |
| SG12 8SX | 51.827437 | 0.057138 | 541860 | 216314 | TL418163 | Yes |
| SG12 8SZ | 51.827025 | 0.060675 | 542105 | 216275 | TL421162 | Yes |
| SG12 8TA | 51.828373 | 0.062231 | 542208 | 216428 | TL422164 | Yes |
| SG12 8TB | 51.829679 | 0.063118 | 542265 | 216575 | TL422165 | Yes |
| SG12 8TD | 51.830058 | 0.0636 | 542297 | 216618 | TL422166 | Yes |
| SG12 8TG | 51.827032 | 0.072024 | 542887 | 216298 | TL428162 | Yes |
| SG12 8TH | 51.824389 | 0.06736 | 542574 | 215995 | TL425159 | Yes |
| SG12 8TJ | 51.824606 | 0.064729 | 542392 | 216014 | TL423160 | Yes |
| SG12 8TL | 51.825526 | 0.062029 | 542203 | 216111 | TL422161 | Yes |
| SG12 8TN | 51.824512 | 0.063419 | 542302 | 216001 | TL423160 | No |