This page provides postcode data for the Hertfordshire English ceremonial county. Hertfordshire contains approximately 453,814 households with a population of about 1,116,078 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SG12 0XW | 51.820374 | -0.044347 | 534888 | 215336 | TL348153 | Yes |
| SG12 0XX | 51.821852 | -0.036433 | 535429 | 215515 | TL354155 | Yes |
| SG12 0XY | 51.820943 | -0.042349 | 535024 | 215403 | TL350154 | Yes |
| SG12 0XZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YA | 51.819984 | -0.039808 | 535202 | 215301 | TL352153 | No |
| SG12 0YB | 51.819984 | -0.039808 | 535202 | 215301 | TL352153 | No |
| SG12 0YD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YF | 51.819984 | -0.039808 | 535202 | 215301 | TL352153 | No |
| SG12 0YG | 51.819206 | -0.047096 | 534702 | 215201 | TL347152 | No |
| SG12 0YH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YJ | 51.819206 | -0.047096 | 534702 | 215201 | TL347152 | No |
| SG12 0YL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YP | 51.819206 | -0.047096 | 534702 | 215201 | TL347152 | No |
| SG12 0YQ | 51.819206 | -0.047096 | 534702 | 215201 | TL347152 | No |
| SG12 0YR | 51.819206 | -0.047096 | 534702 | 215201 | TL347152 | No |
| SG12 0YS | 51.828828 | -0.040657 | 535117 | 216283 | TL351162 | No |
| SG12 0YT | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0YZ | 51.828828 | -0.040642 | 535118 | 216283 | TL351162 | No |
| SG12 0ZA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZR | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZT | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 0ZX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4AB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4AH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4AP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4AQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4AY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BR | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4BZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4DN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4DP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DR | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DT | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4DZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4ED | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4ER | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4ES | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4ET | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4EU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4EZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4FL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FR | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FT | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4FX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4FZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4GA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4GE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4GF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4GR | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GT | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4GX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4GZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4HF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4HH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HP | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HQ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HR | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HS | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HT | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4HU | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HW | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HX | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4HY | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4HZ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4JA | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4JB | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4JD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4JE | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4JF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4JG | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4JH | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 4JJ | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4JL | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 4JN | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | Yes |
| SG12 7AA | 51.809771 | -0.02705 | 536112 | 214189 | TL361141 | Yes |
| SG12 7AB | 51.809508 | -0.026394 | 536158 | 214161 | TL361141 | Yes |
| SG12 7AD | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7AE | 51.813328 | -0.016696 | 536815 | 214604 | TL368146 | Yes |
| SG12 7AF | 51.809286 | -0.025461 | 536223 | 214138 | TL362141 | Yes |
| SG12 7AG | 51.810854 | -0.025175 | 536238 | 214313 | TL362143 | Yes |
| SG12 7AH | 51.81062 | -0.024068 | 536315 | 214289 | TL363142 | Yes |
| SG12 7AJ | 51.810326 | -0.023182 | 536377 | 214258 | TL363142 | Yes |
| SG12 7AL | 51.809355 | -0.025864 | 536195 | 214145 | TL361141 | Yes |
| SG12 7AN | 51.809347 | -0.023239 | 536376 | 214149 | TL363141 | Yes |
| SG12 7AP | 51.810542 | -0.021576 | 536487 | 214285 | TL364142 | Yes |
| SG12 7AQ | 51.809937 | -0.023561 | 536352 | 214214 | TL363142 | Yes |
| SG12 7AR | 51.809362 | -0.024152 | 536313 | 214149 | TL363141 | Yes |
| SG12 7AS | 51.809543 | -0.020967 | 536532 | 214175 | TL365141 | No |
| SG12 7AT | 51.810118 | -0.019898 | 536604 | 214241 | TL366142 | Yes |
| SG12 7AU | 51.809502 | -0.017995 | 536737 | 214176 | TL367141 | Yes |
| SG12 7AW | 51.808728 | -0.023339 | 536371 | 214080 | TL363140 | Yes |
| SG12 7AX | 51.81128 | -0.020021 | 536592 | 214370 | TL365143 | Yes |
| SG12 7AY | 51.811724 | -0.019668 | 536615 | 214420 | TL366144 | Yes |
| SG12 7AZ | 51.811556 | -0.019864 | 536602 | 214401 | TL366144 | No |
| SG12 7BA | 51.810471 | -0.018403 | 536706 | 214283 | TL367142 | Yes |
| SG12 7BB | 51.811711 | -0.022091 | 536448 | 214414 | TL364144 | Yes |
| SG12 7BD | 51.811797 | -0.020811 | 536536 | 214426 | TL365144 | Yes |
| SG12 7BE | 51.811372 | -0.022817 | 536399 | 214375 | TL363143 | Yes |
| SG12 7BF | 51.805805 | -0.022785 | 536418 | 213756 | TL364137 | No |
| SG12 7BG | 51.81156 | -0.024361 | 536292 | 214393 | TL362143 | Yes |
| SG12 7BH | 51.812087 | -0.023061 | 536380 | 214454 | TL363144 | Yes |
| SG12 7BJ | 51.81078 | -0.027151 | 536102 | 214301 | TL361143 | No |
| SG12 7BL | 51.80993 | -0.03009 | 535902 | 214201 | TL359142 | No |
| SG12 7BN | 51.816013 | -0.028185 | 536015 | 214881 | TL360148 | Yes |
| SG12 7BP | 51.810371 | -0.029055 | 535972 | 214252 | TL359142 | Yes |
| SG12 7BQ | 51.812014 | -0.023528 | 536348 | 214445 | TL363144 | Yes |
| SG12 7BS | 51.811159 | -0.029369 | 535948 | 214339 | TL359143 | Yes |
| SG12 7BT | 51.811429 | -0.027253 | 536093 | 214373 | TL360143 | Yes |
| SG12 7BU | 51.81224 | -0.028988 | 535971 | 214460 | TL359144 | Yes |
| SG12 7BW | 51.810043 | -0.0245 | 536287 | 214224 | TL362142 | Yes |
| SG12 7BX | 51.81293 | -0.029901 | 535906 | 214535 | TL359145 | Yes |
| SG12 7BY | 51.813893 | -0.028335 | 536011 | 214645 | TL360146 | Yes |
| SG12 7BZ | 51.812295 | -0.02797 | 536041 | 214468 | TL360144 | Yes |
| SG12 7DA | 51.813475 | -0.027033 | 536102 | 214601 | TL361146 | No |
| SG12 7DB | 51.814926 | -0.025592 | 536197 | 214765 | TL361147 | Yes |
| SG12 7DD | 51.815074 | -0.024758 | 536254 | 214783 | TL362147 | Yes |
| SG12 7DE | 51.811192 | -0.028134 | 536033 | 214345 | TL360143 | Yes |
| SG12 7DF | 51.8135 | -0.028483 | 536002 | 214601 | TL360146 | No |