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? |
|---|---|---|---|---|---|---|
| SG10 6EB | 51.840123 | 0.087388 | 543904 | 217784 | TL439177 | Yes |
| SG10 6ED | 51.83857 | 0.084224 | 543691 | 217605 | TL436176 | Yes |
| SG10 6EE | 51.836958 | 0.086385 | 543845 | 217430 | TL438174 | Yes |
| SG10 6EF | 51.838451 | 0.086338 | 543837 | 217596 | TL438175 | Yes |
| SG10 6EG | 51.831698 | 0.09189 | 544241 | 216856 | TL442168 | Yes |
| SG10 6EH | 51.834015 | 0.09056 | 544142 | 217111 | TL441171 | Yes |
| SG10 6EJ | 51.847915 | 0.077005 | 543164 | 218630 | TL431186 | Yes |
| SG10 6EL | 51.832591 | 0.089217 | 544054 | 216950 | TL440169 | Yes |
| SG10 6EN | 51.831162 | 0.087641 | 543950 | 216788 | TL439167 | Yes |
| SG10 6EP | 51.826993 | 0.083385 | 543670 | 216316 | TL436163 | Yes |
| SG10 6EQ | 51.8315 | 0.093404 | 544346 | 216837 | TL443168 | Yes |
| SG10 6ER | 51.83156 | 0.071724 | 542852 | 216801 | TL428168 | Yes |
| SG10 6ES | 51.829742 | 0.071829 | 542865 | 216599 | TL428165 | Yes |
| SG10 6ET | 51.832649 | 0.067608 | 542565 | 216914 | TL425169 | Yes |
| SG10 6EU | 51.831093 | 0.068161 | 542608 | 216742 | TL426167 | Yes |
| SG10 6EW | 51.830305 | 0.089329 | 544069 | 216696 | TL440166 | Yes |
| SG10 6EX | 51.83345 | 0.064989 | 542382 | 216998 | TL423169 | No |
| SG10 6EY | 51.834288 | 0.066449 | 542480 | 217094 | TL424170 | Yes |
| SG10 6EZ | 51.837397 | 0.0671 | 542515 | 217441 | TL425174 | Yes |
| SG10 6FA | 51.866694 | 0.073774 | 542882 | 220712 | TL428207 | Yes |
| SG10 6FB | 51.85603 | 0.112593 | 545589 | 219603 | TL455196 | Yes |
| SG10 6FD | 51.847723 | 0.069504 | 542648 | 218594 | TL426185 | Yes |
| SG10 6FE | 51.847479 | 0.071133 | 542761 | 218570 | TL427185 | Yes |
| SG10 6FF | 51.851789 | 0.108939 | 545351 | 219124 | TL453191 | Yes |
| SG10 6HA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6HD | 51.867439 | 0.071818 | 542745 | 220791 | TL427207 | Yes |
| SG10 6HG | 51.860756 | 0.072412 | 542807 | 220049 | TL428200 | Yes |
| SG10 6HH | 51.859433 | 0.062229 | 542110 | 219882 | TL421198 | Yes |
| SG10 6HJ | 51.863866 | 0.073005 | 542838 | 220396 | TL428203 | Yes |
| SG10 6HL | 51.865941 | 0.073115 | 542839 | 220627 | TL428206 | Yes |
| SG10 6HN | 51.859418 | 0.072786 | 542837 | 219901 | TL428199 | Yes |
| SG10 6HP | 51.856255 | 0.081339 | 543436 | 219566 | TL434195 | Yes |
| SG10 6HQ | 51.861225 | 0.072331 | 542800 | 220101 | TL427201 | Yes |
| SG10 6HR | 51.85378 | 0.076345 | 543100 | 219281 | TL430192 | Yes |
| SG10 6HS | 51.849949 | 0.074833 | 543008 | 218852 | TL430188 | Yes |
| SG10 6HT | 51.862849 | 0.069966 | 542632 | 220277 | TL426202 | Yes |
| SG10 6HU | 51.866217 | 0.061537 | 542041 | 220635 | TL420206 | Yes |
| SG10 6HW | 51.85775 | 0.076122 | 543072 | 219722 | TL430197 | Yes |
| SG10 6HX | 51.850134 | 0.087285 | 543865 | 218897 | TL438188 | Yes |
| SG10 6HY | 51.851065 | 0.086471 | 543806 | 218999 | TL438189 | Yes |
| SG10 6HZ | 51.849703 | 0.078103 | 543234 | 218831 | TL432188 | Yes |
| SG10 6JA | 51.853552 | 0.088227 | 543919 | 219279 | TL439192 | Yes |
| SG10 6JB | 51.854027 | 0.090326 | 544062 | 219336 | TL440193 | Yes |
| SG10 6JD | 51.851226 | 0.108244 | 545305 | 219060 | TL453190 | Yes |
| SG10 6JE | 51.85625 | 0.105343 | 545089 | 219613 | TL450196 | Yes |
| SG10 6JF | 51.85374 | 0.106939 | 545207 | 219337 | TL452193 | Yes |
| SG10 6JG | 51.851002 | 0.094571 | 544364 | 219008 | TL443190 | Yes |
| SG10 6JH | 51.846878 | 0.098938 | 544678 | 218558 | TL446185 | Yes |
| SG10 6JJ | 51.845575 | 0.091328 | 544158 | 218398 | TL441183 | Yes |
| SG10 6JL | 51.846325 | 0.098157 | 544626 | 218495 | TL446184 | Yes |
| SG10 6JN | 51.844941 | 0.098616 | 544662 | 218342 | TL446183 | Yes |
| SG10 6JP | 51.845604 | 0.094204 | 544356 | 218407 | TL443184 | Yes |
| SG10 6JQ | 51.85108 | 0.098771 | 544653 | 219025 | TL446190 | Yes |
| SG10 6JR | 51.845564 | 0.093418 | 544302 | 218401 | TL443184 | No |
| SG10 6JS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6JU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6JW | 51.845194 | 0.098032 | 544621 | 218369 | TL446183 | Yes |
| SG10 6JZ | 51.845487 | 0.09777 | 544602 | 218401 | TL446184 | No |
| SG10 6LA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6LB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6LD | 51.843705 | 0.085681 | 543775 | 218179 | TL437181 | Yes |
| SG10 6LH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6LJ | 51.847828 | 0.073269 | 542907 | 218613 | TL429186 | No |
| SG10 6LL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6LN | 51.845487 | 0.09777 | 544602 | 218401 | TL446184 | No |
| SG10 6LW | 51.847828 | 0.073269 | 542907 | 218613 | TL429186 | No |
| SG10 6RA | 51.844118 | 0.054574 | 541631 | 218164 | TL416181 | No |
| SG10 6WA | 51.844118 | 0.054574 | 541631 | 218164 | TL416181 | No |
| SG10 6WB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6WY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6WZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6XA | 51.844118 | 0.054574 | 541631 | 218164 | TL416181 | No |
| SG10 6XN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6XQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6ZN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG10 6ZQ | 51.844118 | 0.054574 | 541631 | 218164 | TL416181 | No |
| SG11 1AA | 51.848619 | -0.02281 | 536287 | 218517 | TL362185 | Yes |
| SG11 1AB | 51.848227 | -0.023074 | 536270 | 218473 | TL362184 | Yes |
| SG11 1AD | 51.847796 | -0.023107 | 536269 | 218425 | TL362184 | Yes |
| SG11 1AE | 51.847444 | -0.023529 | 536241 | 218385 | TL362183 | Yes |
| SG11 1AF | 51.84738 | -0.024026 | 536207 | 218377 | TL362183 | Yes |
| SG11 1AG | 51.885196 | 0.007654 | 538273 | 222642 | TL382226 | No |
| SG11 1AH | 51.848883 | -0.023568 | 536234 | 218545 | TL362185 | Yes |
| SG11 1AJ | 51.850116 | -0.025227 | 536116 | 218679 | TL361186 | Yes |
| SG11 1AL | 51.855323 | 0.01081 | 538582 | 219326 | TL385193 | Yes |
| SG11 1AN | 51.848885 | -0.022058 | 536338 | 218548 | TL363185 | Yes |
| SG11 1AP | 51.8493 | -0.022679 | 536294 | 218593 | TL362185 | Yes |
| SG11 1AQ | 51.883831 | 0.026947 | 539605 | 222527 | TL396225 | Yes |
| SG11 1AR | 51.84789 | -0.020098 | 536476 | 218441 | TL364184 | Yes |
| SG11 1AS | 51.847548 | -0.021187 | 536402 | 218401 | TL364184 | No |
| SG11 1AT | 51.886128 | 0.023607 | 539368 | 222776 | TL393227 | Yes |
| SG11 1AU | 51.84774 | -0.018145 | 536611 | 218428 | TL366184 | Yes |
| SG11 1AW | 51.849466 | -0.021321 | 536387 | 218614 | TL363186 | Yes |
| SG11 1AX | 51.848281 | -0.018266 | 536601 | 218488 | TL366184 | Yes |
| SG11 1AY | 51.848887 | -0.01898 | 536550 | 218554 | TL365185 | Yes |
| SG11 1AZ | 51.84937 | -0.022066 | 536336 | 218602 | TL363186 | Yes |
| SG11 1BA | 51.85159 | -0.020371 | 536446 | 218852 | TL364188 | Yes |
| SG11 1BB | 51.851912 | -0.020241 | 536454 | 218888 | TL364188 | Yes |
| SG11 1BD | 51.852551 | -0.019763 | 536485 | 218960 | TL364189 | Yes |
| SG11 1BE | 51.853131 | -0.017908 | 536611 | 219028 | TL366190 | Yes |
| SG11 1BF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG11 1BG | 51.853313 | -0.021791 | 536343 | 219041 | TL363190 | Yes |
| SG11 1BH | 51.856628 | 0.008124 | 538393 | 219466 | TL383194 | Yes |
| SG11 1BJ | 51.859172 | -0.016741 | 536673 | 219702 | TL366197 | Yes |
| SG11 1BL | 51.867355 | -0.010847 | 537054 | 220623 | TL370206 | Yes |
| SG11 1BN | 51.862382 | -0.027943 | 535892 | 220038 | TL358200 | Yes |
| SG11 1BP | 51.860955 | -0.02009 | 536437 | 219894 | TL364198 | Yes |
| SG11 1BQ | 51.84781 | -0.021786 | 536360 | 218429 | TL363184 | Yes |
| SG11 1BS | 51.858555 | -0.017437 | 536627 | 219632 | TL366196 | Yes |
| SG11 1BT | 51.860338 | -0.015456 | 536758 | 219834 | TL367198 | Yes |
| SG11 1BU | 51.856806 | 0.005634 | 538221 | 219481 | TL382194 | Yes |
| SG11 1BW | 51.861698 | -0.025751 | 536045 | 219966 | TL360199 | Yes |
| SG11 1BX | 51.856597 | 0.006815 | 538303 | 219460 | TL383194 | Yes |
| SG11 1BY | 51.856536 | 0.00719 | 538329 | 219454 | TL383194 | Yes |
| SG11 1BZ | 51.856067 | 0.006777 | 538302 | 219401 | TL383194 | No |
| SG11 1DA | 51.856737 | 0.009653 | 538498 | 219481 | TL384194 | Yes |
| SG11 1DB | 51.8512 | 0.01006 | 538543 | 218866 | TL385188 | Yes |
| SG11 1DD | 51.852446 | 0.027598 | 539747 | 219038 | TL397190 | Yes |
| SG11 1DE | 51.89422 | 0.012663 | 538590 | 223655 | TL385236 | Yes |
| SG11 1DF | 51.887174 | 0.009282 | 538379 | 222865 | TL383228 | Yes |
| SG11 1DG | 51.89422 | 0.012663 | 538590 | 223655 | TL385236 | Yes |
| SG11 1DH | 51.866849 | 0.007257 | 538302 | 220601 | TL383206 | No |
| SG11 1DJ | 51.878855 | -0.009206 | 537132 | 221905 | TL371219 | Yes |
| SG11 1DL | 51.866904 | -0.009691 | 537135 | 220575 | TL371205 | Yes |
| SG11 1DN | 51.879225 | -0.000269 | 537746 | 221963 | TL377219 | Yes |
| SG11 1DP | 51.881765 | -0.006332 | 537321 | 222234 | TL373222 | No |
| SG11 1DQ | 51.885911 | 0.006305 | 538178 | 222719 | TL381227 | Yes |
| SG11 1DR | 51.879204 | -0.008581 | 537174 | 221945 | TL371219 | No |
| SG11 1DS | 51.880365 | -0.008631 | 537167 | 222074 | TL371220 | Yes |
| SG11 1DT | 51.879423 | -0.01091 | 537013 | 221965 | TL370219 | Yes |
| SG11 1DU | 51.880634 | -0.011234 | 536987 | 222099 | TL369220 | Yes |
| SG11 1DW | 51.8774 | -0.004011 | 537494 | 221753 | TL374217 | No |
| SG11 1DX | 51.881659 | -0.01177 | 536947 | 222212 | TL369222 | Yes |
| SG11 1DY | 51.8828 | -0.011182 | 536984 | 222340 | TL369223 | Yes |
| SG11 1DZ | 51.885072 | -0.009397 | 537100 | 222596 | TL370225 | Yes |
| SG11 1EA | 51.877382 | -0.004012 | 537494 | 221751 | TL374217 | Yes |
| SG11 1EB | 51.886421 | 0.00858 | 538333 | 222780 | TL383227 | Yes |
| SG11 1ED | 51.867125 | -0.011075 | 537039 | 220597 | TL370205 | Yes |
| SG11 1EE | 51.872979 | -0.00473 | 537458 | 221260 | TL374212 | Yes |
| SG11 1EF | 51.870675 | 0.000165 | 537802 | 221013 | TL378210 | Yes |
| SG11 1EG | 51.86938 | -0.008841 | 537186 | 220852 | TL371208 | Yes |
| SG11 1EH | 51.867956 | -0.009688 | 537132 | 220692 | TL371206 | Yes |
| SG11 1EJ | 51.867817 | -0.010014 | 537110 | 220676 | TL371206 | Yes |
| SG11 1EL | 51.867484 | -0.009462 | 537149 | 220640 | TL371206 | Yes |
| SG11 1EN | 51.863222 | -0.0153 | 536760 | 220155 | TL367201 | Yes |
| SG11 1EP | 51.869707 | -0.020737 | 536366 | 220866 | TL363208 | Yes |
| SG11 1EQ | 51.869131 | -0.008997 | 537176 | 220824 | TL371208 | Yes |
| SG11 1ER | 51.868437 | -0.009972 | 537111 | 220745 | TL371207 | Yes |
| SG11 1ES | 51.864728 | 0.002486 | 537980 | 220356 | TL379203 | Yes |
| SG11 1ET | 51.872298 | -0.010179 | 537085 | 221174 | TL370211 | Yes |
| SG11 1EU | 51.87346 | -0.011333 | 537002 | 221301 | TL370213 | No |
| SG11 1EW | 51.867219 | -0.014514 | 536802 | 220601 | TL368206 | No |
| SG11 1EX | 51.866526 | -0.011276 | 537027 | 220530 | TL370205 | Yes |
| SG11 1EY | 51.885515 | 0.00899 | 538364 | 222680 | TL383226 | Yes |
| SG11 1EZ | 51.875586 | -0.008392 | 537198 | 221543 | TL371215 | Yes |
| SG11 1FA | 51.885606 | 0.009997 | 538433 | 222692 | TL384226 | Yes |
| SG11 1FB | 51.884891 | 0.010256 | 538453 | 222613 | TL384226 | Yes |
| SG11 1FD | 51.884689 | 0.029877 | 539804 | 222628 | TL398226 | Yes |
| SG11 1FE | 51.848874 | -0.020345 | 536456 | 218550 | TL364185 | Yes |
| SG11 1FF | 51.848609 | -0.022244 | 536326 | 218517 | TL363185 | Yes |
| SG11 1FG | 51.895816 | 0.012924 | 538603 | 223833 | TL386238 | Yes |
| SG11 1HA | 51.879548 | -0.018823 | 536468 | 221964 | TL364219 | Yes |
| SG11 1HB | 51.877715 | -0.030701 | 535656 | 221738 | TL356217 | Yes |
| SG11 1HD | 51.883824 | -0.029257 | 535737 | 222420 | TL357224 | Yes |
| SG11 1HE | 51.887299 | -0.020415 | 536335 | 222823 | TL363228 | Yes |
| SG11 1HF | 51.892574 | -0.025023 | 536002 | 223401 | TL360234 | No |
| SG11 1HG | 51.899079 | -0.028997 | 535709 | 224117 | TL357241 | Yes |
| SG11 1HH | 51.89751 | -0.027627 | 535808 | 223945 | TL358239 | Yes |
| SG11 1HJ | 51.898913 | -0.027653 | 535802 | 224101 | TL358241 | No |
| SG11 1HL | 51.899962 | -0.027447 | 535813 | 224218 | TL358242 | Yes |
| SG11 1HN | 51.901579 | -0.025239 | 535960 | 224402 | TL359244 | Yes |
| SG11 1HP | 51.903317 | -0.024858 | 535981 | 224596 | TL359245 | Yes |
| SG11 1HQ | 51.898417 | -0.028096 | 535773 | 224045 | TL357240 | Yes |
| SG11 1HS | 51.893603 | -0.034934 | 535317 | 223497 | TL353234 | Yes |
| SG11 1HT | 51.892819 | -0.036436 | 535216 | 223407 | TL352234 | Yes |
| SG11 1HU | 51.891583 | -0.037246 | 535164 | 223268 | TL351232 | Yes |
| SG11 1HW | 51.90171 | -0.025015 | 535975 | 224417 | TL359244 | Yes |
| SG11 1JA | 51.898617 | -0.064005 | 533302 | 224001 | TL333240 | No |
| SG11 1JB | 51.898617 | -0.064005 | 533302 | 224001 | TL333240 | No |
| SG11 1JD | 51.893537 | -0.048788 | 534364 | 223464 | TL343234 | Yes |
| SG11 1JE | 51.889384 | -0.05481 | 533962 | 222991 | TL339229 | Yes |
| SG11 1JF | 51.889043 | -0.056525 | 533845 | 222950 | TL338229 | Yes |
| SG11 1JG | 51.888849 | -0.057289 | 533793 | 222927 | TL337229 | Yes |
| SG11 1JH | 51.893209 | -0.058336 | 533708 | 223410 | TL337234 | Yes |
| SG11 1JJ | 51.885196 | 0.007654 | 538273 | 222642 | TL382226 | No |
| SG11 1JN | 51.899039 | -0.062867 | 533379 | 224050 | TL333240 | Yes |
| SG11 1JP | 51.908771 | -0.052635 | 534054 | 225151 | TL340251 | Yes |
| SG11 1JQ | 51.890973 | -0.057924 | 533743 | 223162 | TL337231 | Yes |
| SG11 1JR | 51.90764 | -0.046272 | 534495 | 225037 | TL344250 | Yes |
| SG11 1JS | 51.897492 | -0.042701 | 534771 | 223915 | TL347239 | Yes |
| SG11 1JW | 51.902161 | -0.057529 | 533737 | 224407 | TL337244 | Yes |
| SG11 1LA | 51.882698 | 0.027477 | 539645 | 222402 | TL396224 | Yes |
| SG11 1LB | 51.881139 | 0.026623 | 539591 | 222227 | TL395222 | Yes |
| SG11 1LD | 51.880624 | 0.026251 | 539567 | 222169 | TL395221 | Yes |
| SG11 1LE | 51.880544 | 0.02725 | 539636 | 222162 | TL396221 | Yes |
| SG11 1LF | 51.880536 | 0.028208 | 539702 | 222163 | TL397221 | Yes |
| SG11 1LG | 51.880263 | 0.028428 | 539718 | 222133 | TL397221 | Yes |
| SG11 1LH | 51.880542 | 0.029966 | 539823 | 222167 | TL398221 | Yes |
| SG11 1LJ | 51.880704 | 0.032037 | 539965 | 222189 | TL399221 | Yes |
| SG11 1LL | 51.883292 | 0.026923 | 539605 | 222467 | TL396224 | Yes |