This page provides postcode data for the Hertfordshire county council.
The first 100 postcodes are shown. Download the CSV file to view all postcodes
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| AL1 1AA | 51.74909 | -0.341314 | 514602 | 206901 | TL146069 | No |
| AL1 1AB | 51.747834 | -0.301841 | 517330 | 206824 | TL173068 | No |
| AL1 1AD | 51.747834 | -0.301841 | 517330 | 206824 | TL173068 | No |
| AL1 1AE | 51.747834 | -0.301841 | 517330 | 206824 | TL173068 | No |
| AL1 1AF | 51.74909 | -0.341314 | 514602 | 206901 | TL146069 | No |
| AL1 1AG | 51.745295 | -0.328605 | 515489 | 206499 | TL154064 | Yes |
| AL1 1AH | 51.744893 | -0.327533 | 515564 | 206456 | TL155064 | No |
| AL1 1AJ | 51.744503 | -0.328576 | 515493 | 206411 | TL154064 | Yes |
| AL1 1AL | 51.747834 | -0.301841 | 517330 | 206824 | TL173068 | No |
| AL1 1AN | 51.744489 | -0.329474 | 515431 | 206408 | TL154064 | No |
| AL1 1AP | 51.744489 | -0.329474 | 515431 | 206408 | TL154064 | No |
| AL1 1AQ | 51.743577 | -0.325394 | 515715 | 206313 | TL157063 | No |
| AL1 1AR | 51.739732 | -0.317469 | 516272 | 205898 | TL162058 | Yes |
| AL1 1AS | 51.749079 | -0.335448 | 515007 | 206909 | TL150069 | Yes |
| AL1 1AT | 51.742017 | -0.319398 | 516133 | 206149 | TL161061 | Yes |
| AL1 1AU | 51.741475 | -0.319273 | 516143 | 206089 | TL161060 | Yes |
| AL1 1AW | 51.741787 | -0.322216 | 515939 | 206119 | TL159061 | Yes |
| AL1 1AX | 51.744331 | -0.327815 | 515546 | 206393 | TL155063 | Yes |
| AL1 1AZ | 51.735014 | -0.317645 | 516272 | 205373 | TL162053 | No |
| AL1 1BA | 51.747834 | -0.301841 | 517330 | 206824 | TL173068 | No |
| AL1 1BB | 51.749969 | -0.339834 | 514702 | 207001 | TL147070 | No |
| AL1 1BE | 51.748171 | -0.339899 | 514702 | 206801 | TL147068 | No |
| AL1 1BF | 51.746374 | -0.339965 | 514702 | 206601 | TL147066 | No |
| AL1 1BH | 51.746858 | -0.337977 | 514838 | 206658 | TL148066 | Yes |
| AL1 1BT | 51.749773 | -0.340623 | 514648 | 206978 | TL146069 | No |
| AL1 1BU | 51.749729 | -0.340668 | 514645 | 206973 | TL146069 | No |
| AL1 1BX | 51.749086 | -0.34101 | 514623 | 206901 | TL146069 | Yes |
| AL1 1BY | 51.749867 | -0.341547 | 514584 | 206987 | TL145069 | Yes |
| AL1 1BZ | 51.750398 | -0.340296 | 514669 | 207048 | TL146070 | Yes |
| AL1 1DA | 51.749989 | -0.341281 | 514602 | 207001 | TL146070 | No |
| AL1 1DB | 51.747834 | -0.301841 | 517330 | 206824 | TL173068 | No |
| AL1 1DD | 51.75031 | -0.340429 | 514660 | 207038 | TL146070 | No |
| AL1 1DE | 51.749951 | -0.340501 | 514656 | 206998 | TL146069 | No |
| AL1 1DF | 51.744489 | -0.329474 | 515431 | 206408 | TL154064 | No |
| AL1 1DG | 51.747809 | -0.343534 | 514452 | 206755 | TL144067 | Yes |
| AL1 1DH | 51.74757 | -0.341921 | 514564 | 206731 | TL145067 | Yes |
| AL1 1DJ | 51.749989 | -0.341281 | 514602 | 207001 | TL146070 | No |
| AL1 1DL | 51.74909 | -0.341314 | 514602 | 206901 | TL146069 | No |
| AL1 1DN | 51.740837 | -0.330029 | 515402 | 206001 | TL154060 | No |
| AL1 1DQ | 51.747414 | -0.342317 | 514537 | 206713 | TL145067 | Yes |
| AL1 1DR | 51.744489 | -0.329474 | 515431 | 206408 | TL154064 | No |
| AL1 1DS | 51.732223 | -0.318675 | 516208 | 205061 | TL162050 | Yes |
| AL1 1DT | 51.750053 | -0.340077 | 514685 | 207010 | TL146070 | Yes |
| AL1 1DU | 51.731184 | -0.315817 | 516408 | 204950 | TL164049 | Yes |
| AL1 1DW | 51.749311 | -0.341683 | 514576 | 206925 | TL145069 | Yes |
| AL1 1DX | 51.73172 | -0.301852 | 517371 | 205032 | TL173050 | Yes |
| AL1 1DY | 51.744489 | -0.329474 | 515431 | 206408 | TL154064 | No |
| AL1 1DZ | 51.731472 | -0.304628 | 517180 | 205000 | TL171049 | Yes |
| AL1 1EA | 51.731814 | -0.306483 | 517051 | 205035 | TL170050 | Yes |
| AL1 1EB | 51.733307 | -0.307788 | 516957 | 205199 | TL169051 | Yes |
| AL1 1ED | 51.732438 | -0.308617 | 516902 | 205101 | TL169051 | No |
| AL1 1EE | 51.732092 | -0.308283 | 516926 | 205063 | TL169050 | Yes |
| AL1 1EF | 51.730738 | -0.308594 | 516908 | 204912 | TL169049 | No |
| AL1 1EG | 51.730619 | -0.30841 | 516921 | 204899 | TL169048 | Yes |
| AL1 1EP | 51.749989 | -0.341281 | 514602 | 207001 | TL146070 | No |
| AL1 1EQ | 51.731217 | -0.309387 | 516852 | 204964 | TL168049 | Yes |
| AL1 1ER | 51.750395 | -0.339456 | 514727 | 207049 | TL147070 | Yes |
| AL1 1ES | 51.749969 | -0.339834 | 514702 | 207001 | TL147070 | No |
| AL1 1ET | 51.75038 | -0.339674 | 514712 | 207047 | TL147070 | No |
| AL1 1EU | 51.750257 | -0.339881 | 514698 | 207033 | TL146070 | Yes |
| AL1 1EX | 51.750097 | -0.339365 | 514734 | 207016 | TL147070 | Yes |
| AL1 1EY | 51.750068 | -0.339207 | 514745 | 207013 | TL147070 | No |
| AL1 1EZ | 51.749999 | -0.340079 | 514685 | 207004 | TL146070 | Yes |
| AL1 1FH | 51.747834 | -0.301841 | 517330 | 206824 | TL173068 | No |
| AL1 1FP | 51.75048 | -0.34038 | 514663 | 207057 | TL146070 | No |
| AL1 1HA | 51.749212 | -0.340383 | 514666 | 206916 | TL146069 | Yes |
| AL1 1HB | 51.748956 | -0.340711 | 514644 | 206887 | TL146068 | Yes |
| AL1 1HD | 51.748858 | -0.340787 | 514639 | 206876 | TL146068 | Yes |
| AL1 1HE | 51.748858 | -0.340787 | 514639 | 206876 | TL146068 | Yes |
| AL1 1HF | 51.747048 | -0.341867 | 514569 | 206673 | TL145066 | Yes |
| AL1 1HG | 51.749593 | -0.339992 | 514692 | 206959 | TL146069 | Yes |
| AL1 1HH | 51.744331 | -0.336665 | 514935 | 206379 | TL149063 | Yes |
| AL1 1HJ | 51.746426 | -0.336038 | 514973 | 206613 | TL149066 | Yes |
| AL1 1HL | 51.746893 | -0.335369 | 515018 | 206666 | TL150066 | Yes |
| AL1 1HN | 51.747276 | -0.33576 | 514990 | 206708 | TL149067 | Yes |
| AL1 1HP | 51.747716 | -0.341423 | 514598 | 206748 | TL145067 | Yes |
| AL1 1HQ | 51.74587 | -0.342533 | 514526 | 206541 | TL145065 | Yes |
| AL1 1HR | 51.746064 | -0.342251 | 514545 | 206563 | TL145065 | Yes |
| AL1 1HS | 51.745516 | -0.342894 | 514502 | 206501 | TL145065 | No |
| AL1 1HT | 51.734381 | -0.318682 | 516202 | 205301 | TL162053 | No |
| AL1 1HU | 51.737317 | -0.313359 | 516562 | 205636 | TL165056 | Yes |
| AL1 1HW | 51.747125 | -0.336519 | 514938 | 206690 | TL149066 | Yes |
| AL1 1HY | 51.737854 | -0.31444 | 516486 | 205694 | TL164056 | Yes |
| AL1 1JA | 51.744465 | -0.324608 | 515767 | 206413 | TL157064 | Yes |
| AL1 1JB | 51.743577 | -0.325394 | 515715 | 206313 | TL157063 | Yes |
| AL1 1JD | 51.745103 | -0.327757 | 515548 | 206479 | TL155064 | Yes |
| AL1 1JE | 51.738263 | -0.315337 | 516423 | 205738 | TL164057 | Yes |
| AL1 1JF | 51.743577 | -0.325394 | 515715 | 206313 | TL157063 | No |
| AL1 1JG | 51.743099 | -0.326527 | 515638 | 206258 | TL156062 | Yes |
| AL1 1JH | 51.743509 | -0.323123 | 515872 | 206309 | TL158063 | Yes |
| AL1 1JJ | 51.744485 | -0.322246 | 515930 | 206419 | TL159064 | Yes |
| AL1 1JL | 51.744602 | -0.322894 | 515885 | 206431 | TL158064 | Yes |
| AL1 1JN | 51.744944 | -0.324779 | 515754 | 206466 | TL157064 | Yes |
| AL1 1JP | 51.746068 | -0.323549 | 515836 | 206593 | TL158065 | Yes |
| AL1 1JQ | 51.742836 | -0.323278 | 515863 | 206234 | TL158062 | Yes |
| AL1 1JR | 51.74546 | -0.324992 | 515738 | 206523 | TL157065 | Yes |
| AL1 1JS | 51.745707 | -0.325301 | 515716 | 206550 | TL157065 | Yes |
| AL1 1JT | 51.741222 | -0.317906 | 516238 | 206063 | TL162060 | Yes |
| AL1 1JU | 51.742706 | -0.322993 | 515883 | 206220 | TL158062 | Yes |
| AL1 1JW | 51.745224 | -0.324262 | 515789 | 206498 | TL157064 | Yes |