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? |
|---|---|---|---|---|---|---|
| HP23 6YR | 51.791991 | -0.667805 | 491977 | 211210 | SP919112 | No |
| HP23 6YS | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 6YT | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 6YU | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 6YX | 51.778194 | -0.651788 | 493110 | 209696 | SP931096 | No |
| HP23 6YY | 51.791991 | -0.667805 | 491977 | 211210 | SP919112 | No |
| HP23 6ZJ | 51.791991 | -0.667805 | 491977 | 211210 | SP919112 | No |
| HP23 6ZN | 51.791991 | -0.667805 | 491977 | 211210 | SP919112 | No |
| HP23 6ZX | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9AA | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AD | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AE | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AF | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AG | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AH | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9AJ | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AL | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AN | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AP | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AQ | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9AR | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AS | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AT | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AU | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AW | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AX | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AY | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9AZ | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | No |
| HP23 9BA | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9BB | 51.79226 | -0.668522 | 491927 | 211239 | SP919112 | No |
| HP23 9BD | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BE | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BF | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BG | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BH | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | No |
| HP23 9BJ | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BL | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BN | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BP | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BQ | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BR | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9BS | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BT | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BU | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BW | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BX | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BY | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9BZ | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9DA | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9DB | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9DD | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9DE | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9DF | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9DG | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | No |
| HP23 9DH | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9DJ | 51.79225 | -0.668436 | 491933 | 211238 | SP919112 | No |
| HP23 9DL | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | No |
| HP23 9DN | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9DP | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | No |
| HP23 9DQ | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | No |
| HP23 9DR | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | No |
| HP23 9DS | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9DT | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9DU | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9DW | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP23 9DX | 51.792286 | -0.668449 | 491932 | 211242 | SP919112 | Yes |
| HP3 0AA | 51.728836 | -0.470916 | 505702 | 204453 | TL057044 | Yes |
| HP3 0AB | 51.731398 | -0.471539 | 505653 | 204737 | TL056047 | Yes |
| HP3 0AD | 51.735333 | -0.470537 | 505713 | 205176 | TL057051 | Yes |
| HP3 0AE | 51.736436 | -0.472412 | 505581 | 205296 | TL055052 | Yes |
| HP3 0AF | 51.735351 | -0.46987 | 505759 | 205179 | TL057051 | Yes |
| HP3 0AG | 51.734374 | -0.471511 | 505648 | 205068 | TL056050 | Yes |
| HP3 0AH | 51.735725 | -0.473725 | 505492 | 205215 | TL054052 | Yes |
| HP3 0AJ | 51.73467 | -0.475556 | 505368 | 205095 | TL053050 | Yes |
| HP3 0AL | 51.736027 | -0.472773 | 505557 | 205250 | TL055052 | Yes |
| HP3 0AN | 51.735079 | -0.472443 | 505582 | 205145 | TL055051 | Yes |
| HP3 0AP | 51.735886 | -0.475747 | 505352 | 205230 | TL053052 | Yes |
| HP3 0AQ | 51.736613 | -0.473535 | 505503 | 205314 | TL055053 | Yes |
| HP3 0AR | 51.735034 | -0.473835 | 505486 | 205138 | TL054051 | Yes |
| HP3 0AS | 51.727808 | -0.471341 | 505675 | 204338 | TL056043 | Yes |
| HP3 0AT | 51.742273 | -0.494766 | 504025 | 205913 | TL040059 | Yes |
| HP3 0AU | 51.733002 | -0.473208 | 505534 | 204913 | TL055049 | Yes |
| HP3 0AW | 51.733914 | -0.474814 | 505421 | 205012 | TL054050 | Yes |
| HP3 0AX | 51.741073 | -0.493083 | 504143 | 205782 | TL041057 | Yes |
| HP3 0AY | 51.735911 | -0.470749 | 505697 | 205240 | TL056052 | Yes |
| HP3 0AZ | 51.728613 | -0.470996 | 505697 | 204428 | TL056044 | No |
| HP3 0BA | 51.741311 | -0.495523 | 503974 | 205805 | TL039058 | Yes |
| HP3 0BB | 51.738544 | -0.495021 | 504015 | 205498 | TL040054 | Yes |
| HP3 0BD | 51.736456 | -0.492787 | 504174 | 205269 | TL041052 | Yes |
| HP3 0BE | 51.736027 | -0.494366 | 504066 | 205219 | TL040052 | Yes |
| HP3 0BF | 51.737388 | -0.496058 | 503947 | 205368 | TL039053 | Yes |
| HP3 0BG | 51.735685 | -0.491568 | 504260 | 205185 | TL042051 | Yes |
| HP3 0BH | 51.738504 | -0.49117 | 504281 | 205499 | TL042054 | No |
| HP3 0BJ | 51.738164 | -0.487126 | 504561 | 205467 | TL045054 | Yes |
| HP3 0BL | 51.734233 | -0.498929 | 503755 | 205013 | TL037050 | Yes |
| HP3 0BN | 51.732414 | -0.498063 | 503819 | 204812 | TL038048 | Yes |
| HP3 0BP | 51.729038 | -0.491369 | 504289 | 204446 | TL042044 | Yes |
| HP3 0BQ | 51.738668 | -0.492062 | 504219 | 205516 | TL042055 | Yes |
| HP3 0BS | 51.739078 | -0.502346 | 503508 | 205547 | TL035055 | Yes |
| HP3 0BT | 51.733815 | -0.490196 | 504359 | 204979 | TL043049 | Yes |
| HP3 0BU | 51.732731 | -0.486974 | 504584 | 204863 | TL045048 | Yes |
| HP3 0BW | 51.729954 | -0.497608 | 503856 | 204539 | TL038045 | Yes |
| HP3 0BX | 51.733135 | -0.494621 | 504055 | 204897 | TL040048 | Yes |
| HP3 0BY | 51.733993 | -0.49494 | 504031 | 204992 | TL040049 | Yes |
| HP3 0BZ | 51.738576 | -0.494006 | 504085 | 205503 | TL040055 | Yes |
| HP3 0DA | 51.722366 | -0.538383 | 501057 | 203638 | TL010036 | Yes |
| HP3 0DB | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 0DD | 51.738976 | -0.49786 | 503818 | 205542 | TL038055 | Yes |
| HP3 0DE | 51.74194 | -0.498283 | 503782 | 205871 | TL037058 | Yes |
| HP3 0DF | 51.740311 | -0.498206 | 503791 | 205690 | TL037056 | Yes |
| HP3 0DG | 51.740717 | -0.500409 | 503638 | 205732 | TL036057 | Yes |
| HP3 0DH | 51.739929 | -0.499247 | 503720 | 205646 | TL037056 | Yes |
| HP3 0DJ | 51.736166 | -0.50599 | 503263 | 205218 | TL032052 | Yes |
| HP3 0DL | 51.734856 | -0.503325 | 503451 | 205076 | TL034050 | Yes |
| HP3 0DN | 51.73312 | -0.511145 | 502914 | 204872 | TL029048 | Yes |
| HP3 0DP | 51.72934 | -0.518711 | 502401 | 204441 | TL024044 | Yes |
| HP3 0DQ | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 0DR | 51.730482 | -0.520803 | 502253 | 204565 | TL022045 | Yes |
| HP3 0DS | 51.730183 | -0.525649 | 501919 | 204525 | TL019045 | Yes |
| HP3 0DT | 51.735542 | -0.521304 | 502207 | 205127 | TL022051 | Yes |
| HP3 0DU | 51.72804 | -0.526819 | 501843 | 204285 | TL018042 | Yes |
| HP3 0DW | 51.732093 | -0.510947 | 502930 | 204758 | TL029047 | Yes |
| HP3 0DX | 51.737808 | -0.500042 | 503670 | 205409 | TL036054 | Yes |
| HP3 0DY | 51.738708 | -0.496565 | 503908 | 205514 | TL039055 | Yes |
| HP3 0DZ | 51.737662 | -0.499134 | 503733 | 205394 | TL037053 | Yes |
| HP3 0EA | 51.72324 | -0.536342 | 501197 | 203738 | TL011037 | Yes |
| HP3 0EB | 51.723143 | -0.535795 | 501235 | 203728 | TL012037 | Yes |
| HP3 0ED | 51.723681 | -0.536386 | 501193 | 203787 | TL011037 | Yes |
| HP3 0EE | 51.721885 | -0.538036 | 501083 | 203585 | TL010035 | Yes |
| HP3 0EF | 51.722154 | -0.539418 | 500986 | 203613 | TL009036 | Yes |
| HP3 0EG | 51.721054 | -0.537687 | 501108 | 203493 | TL011034 | Yes |
| HP3 0EH | 51.723038 | -0.536725 | 501171 | 203715 | TL011037 | No |
| HP3 0EJ | 51.725151 | -0.535977 | 501217 | 203951 | TL012039 | Yes |
| HP3 0EL | 51.72474 | -0.539117 | 501002 | 203901 | TL010039 | No |
| HP3 0EN | 51.724796 | -0.537088 | 501142 | 203910 | TL011039 | Yes |
| HP3 0EP | 51.722481 | -0.536019 | 501221 | 203654 | TL012036 | Yes |
| HP3 0EQ | 51.723157 | -0.538386 | 501056 | 203726 | TL010037 | Yes |
| HP3 0ER | 51.721878 | -0.533114 | 501423 | 203591 | TL014035 | Yes |
| HP3 0ES | 51.72087 | -0.534493 | 501330 | 203477 | TL013034 | Yes |
| HP3 0ET | 51.721502 | -0.534676 | 501315 | 203547 | TL013035 | Yes |
| HP3 0EU | 51.722802 | -0.534431 | 501329 | 203692 | TL013036 | Yes |
| HP3 0EW | 51.721429 | -0.536792 | 501169 | 203536 | TL011035 | Yes |
| HP3 0EX | 51.720773 | -0.536089 | 501220 | 203464 | TL012034 | Yes |
| HP3 0EY | 51.72559 | -0.537338 | 501122 | 203998 | TL011039 | Yes |
| HP3 0EZ | 51.723168 | -0.534897 | 501296 | 203732 | TL012037 | Yes |
| HP3 0FA | 51.723138 | -0.533233 | 501411 | 203731 | TL014037 | Yes |
| HP3 0FB | 51.720699 | -0.530185 | 501627 | 203464 | TL016034 | Yes |
| HP3 0FD | 51.720699 | -0.530185 | 501627 | 203464 | TL016034 | No |
| HP3 0FH | 51.731154 | -0.474241 | 505467 | 204706 | TL054047 | Yes |
| HP3 0FJ | 51.731964 | -0.472896 | 505558 | 204798 | TL055047 | Yes |
| HP3 0FL | 51.731731 | -0.473627 | 505508 | 204771 | TL055047 | No |
| HP3 0FN | 51.731498 | -0.474374 | 505457 | 204744 | TL054047 | Yes |
| HP3 0FP | 51.734196 | -0.469591 | 505781 | 205051 | TL057050 | Yes |
| HP3 0FQ | 51.734185 | -0.468737 | 505840 | 205051 | TL058050 | Yes |
| HP3 0FR | 51.734643 | -0.468649 | 505845 | 205102 | TL058051 | Yes |
| HP3 0FS | 51.731674 | -0.474759 | 505430 | 204763 | TL054047 | Yes |
| HP3 0FT | 51.732722 | -0.471683 | 505640 | 204884 | TL056048 | Yes |
| HP3 0FU | 51.698958 | -0.524624 | 502060 | 201054 | TL020010 | Yes |
| HP3 0FW | 51.733143 | -0.470148 | 505745 | 204933 | TL057049 | Yes |
| HP3 0FX | 51.732576 | -0.476394 | 505315 | 204861 | TL053048 | Yes |
| HP3 0FY | 51.734144 | -0.477326 | 505247 | 205034 | TL052050 | Yes |
| HP3 0FZ | 51.733097 | -0.477013 | 505271 | 204918 | TL052049 | Yes |
| HP3 0GA | 51.732336 | -0.475881 | 505351 | 204835 | TL053048 | Yes |
| HP3 0GB | 51.732415 | -0.474372 | 505455 | 204846 | TL054048 | Yes |
| HP3 0GD | 51.732554 | -0.47541 | 505383 | 204860 | TL053048 | Yes |
| HP3 0GE | 51.738606 | -0.500537 | 503634 | 205497 | TL036054 | Yes |
| HP3 0GF | 51.719825 | -0.52642 | 501890 | 203372 | TL018033 | Yes |
| HP3 0GG | 51.7263 | -0.531552 | 501521 | 204085 | TL015040 | Yes |
| HP3 0GH | 51.728879 | -0.539331 | 500978 | 204361 | TL009043 | Yes |
| HP3 0GJ | 51.734283 | -0.469993 | 505753 | 205060 | TL057050 | Yes |
| HP3 0GL | 51.722063 | -0.532109 | 501492 | 203613 | TL014036 | Yes |
| HP3 0GN | 51.723391 | -0.535483 | 501256 | 203756 | TL012037 | Yes |
| HP3 0GP | 51.741232 | -0.497756 | 503820 | 205793 | TL038057 | Yes |
| HP3 0GQ | 51.722666 | -0.536448 | 501190 | 203674 | TL011036 | Yes |
| HP3 0GR | 51.721803 | -0.541586 | 500838 | 203571 | TL008035 | Yes |
| HP3 0GU | 51.697613 | -0.53277 | 501501 | 200893 | TL015008 | Yes |
| HP3 0HA | 51.723872 | -0.515082 | 502664 | 203838 | TL026038 | No |
| HP3 0HB | 51.724064 | -0.536793 | 501164 | 203829 | TL011038 | Yes |
| HP3 0HD | 51.724157 | -0.53346 | 501394 | 203844 | TL013038 | Yes |
| HP3 0HE | 51.726747 | -0.531277 | 501539 | 204135 | TL015041 | Yes |
| HP3 0HF | 51.725617 | -0.533688 | 501375 | 204006 | TL013040 | Yes |
| HP3 0HG | 51.723904 | -0.534091 | 501351 | 203815 | TL013038 | Yes |
| HP3 0HH | 51.72199 | -0.534863 | 501301 | 203601 | TL013036 | No |
| HP3 0HJ | 51.722756 | -0.532145 | 501487 | 203690 | TL014036 | Yes |
| HP3 0HL | 51.723516 | -0.531107 | 501557 | 203776 | TL015037 | Yes |
| HP3 0HN | 51.722117 | -0.531384 | 501541 | 203620 | TL015036 | No |
| HP3 0HP | 51.722005 | -0.530374 | 501611 | 203609 | TL016036 | Yes |
| HP3 0HQ | 51.72396 | -0.534263 | 501339 | 203821 | TL013038 | No |
| HP3 0HR | 51.721812 | -0.530742 | 501587 | 203587 | TL015035 | No |
| HP3 0HS | 51.722874 | -0.530056 | 501632 | 203706 | TL016037 | Yes |
| HP3 0HT | 51.721043 | -0.531086 | 501564 | 203501 | TL015035 | Yes |
| HP3 0HU | 51.720126 | -0.531101 | 501565 | 203399 | TL015033 | Yes |
| HP3 0HW | 51.748408 | -0.469863 | 505730 | 206631 | TL057066 | No |
| HP3 0HX | 51.720441 | -0.532524 | 501466 | 203432 | TL014034 | Yes |
| HP3 0HY | 51.721224 | -0.531876 | 501509 | 203520 | TL015035 | Yes |
| HP3 0HZ | 51.721346 | -0.532277 | 501482 | 203533 | TL014035 | Yes |
| HP3 0JA | 51.719833 | -0.534252 | 501348 | 203362 | TL013033 | Yes |
| HP3 0JB | 51.717538 | -0.537004 | 501164 | 203103 | TL011031 | Yes |
| HP3 0JD | 51.719254 | -0.533981 | 501369 | 203298 | TL013032 | Yes |
| HP3 0JE | 51.724883 | -0.533292 | 501404 | 203925 | TL014039 | Yes |