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? |
|---|---|---|---|---|---|---|
| SG5 3AU | 51.931544 | -0.341881 | 514101 | 227191 | TL141271 | Yes |
| SG5 3AW | 51.973419 | -0.276099 | 518513 | 231953 | TL185319 | Yes |
| SG5 3AX | 51.932099 | -0.342326 | 514069 | 227252 | TL140272 | Yes |
| SG5 3AY | 51.932532 | -0.34183 | 514102 | 227301 | TL141273 | No |
| SG5 3AZ | 51.932725 | -0.341503 | 514124 | 227323 | TL141273 | Yes |
| SG5 3BB | 51.93016 | -0.341917 | 514102 | 227037 | TL141270 | No |
| SG5 3BD | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3BE | 51.951055 | -0.316409 | 515802 | 229401 | TL158294 | No |
| SG5 3BH | 51.951092 | -0.31651 | 515795 | 229405 | TL157294 | Yes |
| SG5 3BJ | 51.957436 | -0.331902 | 514721 | 230086 | TL147300 | Yes |
| SG5 3BL | 51.962651 | -0.332523 | 514665 | 230665 | TL146306 | Yes |
| SG5 3BN | 51.956565 | -0.333884 | 514587 | 229986 | TL145299 | Yes |
| SG5 3BP | 51.95138 | -0.346242 | 513751 | 229390 | TL137293 | Yes |
| SG5 3BQ | 51.928513 | -0.338677 | 514329 | 226859 | TL143268 | Yes |
| SG5 3BS | 51.941413 | -0.349198 | 513573 | 228277 | TL135282 | Yes |
| SG5 3BT | 51.941543 | -0.350168 | 513506 | 228290 | TL135282 | Yes |
| SG5 3BU | 51.943577 | -0.357965 | 512965 | 228504 | TL129285 | Yes |
| SG5 3BW | 51.973768 | -0.327087 | 515010 | 231910 | TL150319 | No |
| SG5 3BX | 51.938699 | -0.347436 | 513701 | 227978 | TL137279 | Yes |
| SG5 3BY | 51.972462 | -0.335143 | 514460 | 231752 | TL144317 | Yes |
| SG5 3BZ | 51.93675 | -0.349529 | 513562 | 227758 | TL135277 | Yes |
| SG5 3DA | 51.934123 | -0.342382 | 514060 | 227477 | TL140274 | Yes |
| SG5 3DB | 51.93524 | -0.339984 | 514222 | 227605 | TL142276 | Yes |
| SG5 3DD | 51.93016 | -0.341917 | 514102 | 227037 | TL141270 | Yes |
| SG5 3DE | 51.931005 | -0.342584 | 514054 | 227130 | TL140271 | Yes |
| SG5 3DF | 51.929039 | -0.340882 | 514176 | 226914 | TL141269 | Yes |
| SG5 3DG | 51.929882 | -0.341375 | 514140 | 227007 | TL141270 | Yes |
| SG5 3DH | 51.973996 | -0.340007 | 514122 | 231915 | TL141319 | Yes |
| SG5 3DJ | 51.928388 | -0.342564 | 514062 | 226839 | TL140268 | Yes |
| SG5 3DL | 51.927858 | -0.343224 | 514018 | 226779 | TL140267 | Yes |
| SG5 3DN | 51.928133 | -0.344217 | 513949 | 226808 | TL139268 | Yes |
| SG5 3DP | 51.926316 | -0.348051 | 513690 | 226600 | TL136265 | Yes |
| SG5 3DQ | 51.926766 | -0.334015 | 514654 | 226672 | TL146266 | Yes |
| SG5 3DR | 51.928381 | -0.352891 | 513352 | 226822 | TL133268 | Yes |
| SG5 3DS | 51.929523 | -0.335687 | 514532 | 226976 | TL145269 | No |
| SG5 3DT | 51.928684 | -0.337405 | 514416 | 226880 | TL144268 | Yes |
| SG5 3DU | 51.928026 | -0.336659 | 514469 | 226808 | TL144268 | Yes |
| SG5 3DW | 51.970151 | -0.280767 | 518201 | 231582 | TL182315 | Yes |
| SG5 3DX | 51.926891 | -0.334635 | 514611 | 226685 | TL146266 | Yes |
| SG5 3DZ | 51.926382 | -0.334858 | 514597 | 226628 | TL145266 | Yes |
| SG5 3EA | 51.925904 | -0.33537 | 514563 | 226574 | TL145265 | Yes |
| SG5 3EB | 51.923425 | -0.333077 | 514727 | 226302 | TL147263 | Yes |
| SG5 3ED | 51.922562 | -0.331146 | 514862 | 226209 | TL148262 | Yes |
| SG5 3EE | 51.927542 | -0.341839 | 514114 | 226746 | TL141267 | Yes |
| SG5 3EG | 51.926988 | -0.336392 | 514490 | 226693 | TL144266 | Yes |
| SG5 3EH | 51.927694 | -0.341194 | 514158 | 226764 | TL141267 | Yes |
| SG5 3EJ | 51.927939 | -0.340021 | 514238 | 226793 | TL142267 | Yes |
| SG5 3EL | 51.926924 | -0.338226 | 514364 | 226683 | TL143266 | Yes |
| SG5 3EN | 51.927282 | -0.338082 | 514373 | 226723 | TL143267 | Yes |
| SG5 3EP | 51.927865 | -0.338002 | 514377 | 226788 | TL143267 | Yes |
| SG5 3EQ | 51.973535 | -0.325902 | 515092 | 231886 | TL150318 | Yes |
| SG5 3ER | 51.927992 | -0.338696 | 514329 | 226801 | TL143268 | Yes |
| SG5 3ES | 51.934958 | -0.325202 | 515239 | 227597 | TL152275 | Yes |
| SG5 3ET | 51.938091 | -0.321652 | 515475 | 227951 | TL154279 | Yes |
| SG5 3EU | 51.974122 | -0.324817 | 515165 | 231953 | TL151319 | Yes |
| SG5 3EW | 51.927429 | -0.337059 | 514443 | 226741 | TL144267 | Yes |
| SG5 3EX | 51.972312 | -0.325219 | 515142 | 231751 | TL151317 | Yes |
| SG5 3EY | 51.9731 | -0.324971 | 515157 | 231839 | TL151318 | Yes |
| SG5 3EZ | 51.927144 | -0.333419 | 514694 | 226715 | TL146267 | Yes |
| SG5 3FA | 51.971804 | -0.336303 | 514382 | 231677 | TL143316 | Yes |
| SG5 3FB | 51.927078 | -0.337668 | 514402 | 226701 | TL144267 | No |
| SG5 3FD | 51.927078 | -0.337668 | 514402 | 226701 | TL144267 | No |
| SG5 3FE | 51.930125 | -0.341991 | 514097 | 227033 | TL140270 | Yes |
| SG5 3FF | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3FG | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3FH | 51.969051 | -0.278713 | 518345 | 231463 | TL183314 | Yes |
| SG5 3FJ | 51.973558 | -0.331943 | 514677 | 231879 | TL146318 | Yes |
| SG5 3FL | 51.930886 | -0.34176 | 514111 | 227118 | TL141271 | Yes |
| SG5 3FN | 51.985169 | -0.298191 | 516965 | 233224 | TL169332 | Yes |
| SG5 3FP | 51.930451 | -0.340903 | 514171 | 227071 | TL141270 | Yes |
| SG5 3FQ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3FR | 51.973769 | -0.335415 | 514438 | 231897 | TL144318 | Yes |
| SG5 3FS | 51.970889 | -0.328257 | 514937 | 231588 | TL149315 | Yes |
| SG5 3FX | 51.965557 | -0.288221 | 517701 | 231059 | TL177310 | Yes |
| SG5 3GA | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3GB | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3GD | 51.93016 | -0.341917 | 514102 | 227037 | TL141270 | No |
| SG5 3GE | 51.973768 | -0.327087 | 515010 | 231910 | TL150319 | No |
| SG5 3GF | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3GH | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3GJ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3GL | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3HB | 51.98371 | -0.365977 | 512314 | 232955 | TL123329 | Yes |
| SG5 3HT | 51.96518 | -0.391514 | 510606 | 230855 | TL106308 | Yes |
| SG5 3HX | 51.96597 | -0.389433 | 510747 | 230946 | TL107309 | Yes |
| SG5 3HZ | 51.966878 | -0.379647 | 511417 | 231062 | TL114310 | Yes |
| SG5 3JA | 51.963861 | -0.390382 | 510687 | 230710 | TL106307 | Yes |
| SG5 3JB | 51.964153 | -0.390721 | 510663 | 230742 | TL106307 | Yes |
| SG5 3JD | 51.96505 | -0.389888 | 510718 | 230843 | TL107308 | Yes |
| SG5 3JE | 51.962703 | -0.391238 | 510631 | 230580 | TL106305 | Yes |
| SG5 3JF | 51.962063 | -0.391727 | 510599 | 230508 | TL105305 | Yes |
| SG5 3JG | 51.960027 | -0.380287 | 511390 | 230299 | TL113302 | Yes |
| SG5 3JH | 51.96184 | -0.388576 | 510816 | 230488 | TL108304 | Yes |
| SG5 3JJ | 51.960695 | -0.392984 | 510516 | 230354 | TL105303 | Yes |
| SG5 3JL | 51.960798 | -0.393271 | 510496 | 230365 | TL104303 | Yes |
| SG5 3JN | 51.960292 | -0.39377 | 510463 | 230308 | TL104303 | Yes |
| SG5 3JP | 51.960134 | -0.391403 | 510626 | 230294 | TL106302 | Yes |
| SG5 3JQ | 51.965594 | -0.391557 | 510602 | 230901 | TL106309 | No |
| SG5 3JR | 51.960553 | -0.389845 | 510732 | 230343 | TL107303 | Yes |
| SG5 3JW | 51.960202 | -0.39175 | 510602 | 230301 | TL106303 | No |
| SG5 3NF | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3PR | 51.973316 | -0.332651 | 514629 | 231851 | TL146318 | Yes |
| SG5 3PS | 51.973738 | -0.333203 | 514590 | 231897 | TL145318 | Yes |
| SG5 3PT | 51.972695 | -0.33065 | 514768 | 231785 | TL147317 | Yes |
| SG5 3PU | 51.972365 | -0.32957 | 514843 | 231750 | TL148317 | Yes |
| SG5 3PX | 51.970953 | -0.328953 | 514889 | 231594 | TL148315 | Yes |
| SG5 3PY | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3PZ | 51.969609 | -0.333079 | 514609 | 231438 | TL146314 | Yes |
| SG5 3QA | 51.970318 | -0.334887 | 514483 | 231514 | TL144315 | Yes |
| SG5 3QB | 51.970274 | -0.333084 | 514607 | 231512 | TL146315 | Yes |
| SG5 3QD | 51.970579 | -0.334295 | 514523 | 231544 | TL145315 | Yes |
| SG5 3QE | 51.971962 | -0.332876 | 514617 | 231700 | TL146317 | Yes |
| SG5 3QF | 51.972214 | -0.333536 | 514571 | 231727 | TL145317 | Yes |
| SG5 3QG | 51.971912 | -0.334464 | 514508 | 231692 | TL145316 | Yes |
| SG5 3QH | 51.971241 | -0.337881 | 514275 | 231612 | TL142316 | Yes |
| SG5 3QJ | 51.974426 | -0.335449 | 514434 | 231970 | TL144319 | Yes |
| SG5 3QL | 51.974188 | -0.339592 | 514150 | 231937 | TL141319 | Yes |
| SG5 3QN | 51.977253 | -0.336334 | 514366 | 232283 | TL143322 | Yes |
| SG5 3QP | 51.975016 | -0.33333 | 514578 | 232039 | TL145320 | Yes |
| SG5 3QQ | 51.971491 | -0.335805 | 514417 | 231643 | TL144316 | Yes |
| SG5 3QR | 51.974452 | -0.33156 | 514701 | 231979 | TL147319 | Yes |
| SG5 3QS | 51.971894 | -0.328074 | 514947 | 231700 | TL149317 | Yes |
| SG5 3QT | 51.973839 | -0.327666 | 514970 | 231917 | TL149319 | Yes |
| SG5 3QU | 51.975345 | -0.326067 | 515076 | 232087 | TL150320 | Yes |
| SG5 3QW | 51.971304 | -0.334647 | 514497 | 231624 | TL144316 | Yes |
| SG5 3QX | 51.975584 | -0.323918 | 515223 | 232117 | TL152321 | Yes |
| SG5 3QY | 51.972087 | -0.327717 | 514971 | 231722 | TL149317 | Yes |
| SG5 3QZ | 51.979885 | -0.320335 | 515458 | 232601 | TL154326 | Yes |
| SG5 3RA | 51.975132 | -0.329395 | 514848 | 232058 | TL148320 | Yes |
| SG5 3RB | 51.974394 | -0.33066 | 514763 | 231974 | TL147319 | Yes |
| SG5 3RD | 51.973337 | -0.33032 | 514789 | 231857 | TL147318 | Yes |
| SG5 3RE | 51.974174 | -0.329095 | 514871 | 231952 | TL148319 | Yes |
| SG5 3RF | 51.972852 | -0.331605 | 514702 | 231801 | TL147318 | No |
| SG5 3RG | 51.972313 | -0.332266 | 514658 | 231740 | TL146317 | Yes |
| SG5 3RH | 51.971974 | -0.333094 | 514602 | 231701 | TL146317 | No |
| SG5 3RJ | 51.975114 | -0.32941 | 514847 | 232056 | TL148320 | No |
| SG5 3RL | 51.975114 | -0.32941 | 514847 | 232056 | TL148320 | No |
| SG5 3RN | 51.966641 | -0.288588 | 517673 | 231179 | TL176311 | Yes |
| SG5 3RP | 51.963258 | -0.296475 | 517140 | 230790 | TL171307 | Yes |
| SG5 3RQ | 51.966292 | -0.312925 | 516002 | 231101 | TL160311 | No |
| SG5 3RR | 51.970825 | -0.28754 | 517734 | 231646 | TL177316 | Yes |
| SG5 3RS | 51.979717 | -0.289952 | 517545 | 232631 | TL175326 | Yes |
| SG5 3RT | 51.978782 | -0.291211 | 517461 | 232525 | TL174325 | Yes |
| SG5 3RU | 51.990179 | -0.284092 | 517920 | 233804 | TL179338 | Yes |
| SG5 3RW | 51.971326 | -0.287986 | 517702 | 231701 | TL177317 | No |
| SG5 3RX | 51.99403 | -0.294753 | 517178 | 234215 | TL171342 | Yes |
| SG5 3SA | 51.999291 | -0.294204 | 517202 | 234801 | TL172348 | No |
| SG5 3SB | 52.000089 | -0.295266 | 517127 | 234888 | TL171348 | Yes |
| SG5 3SG | 51.98581 | -0.297788 | 516991 | 233296 | TL169332 | Yes |
| SG5 3SH | 51.984802 | -0.299574 | 516871 | 233181 | TL168331 | Yes |
| SG5 3SJ | 51.985967 | -0.303637 | 516589 | 233304 | TL165333 | Yes |
| SG5 3SL | 51.985885 | -0.301062 | 516766 | 233299 | TL167332 | Yes |
| SG5 3SN | 51.986929 | -0.304256 | 516544 | 233410 | TL165334 | Yes |
| SG5 3SP | 51.984949 | -0.304797 | 516512 | 233189 | TL165331 | Yes |
| SG5 3SQ | 51.986445 | -0.301886 | 516708 | 233360 | TL167333 | Yes |
| SG5 3SR | 51.985748 | -0.305291 | 516476 | 233277 | TL164332 | Yes |
| SG5 3SS | 51.982867 | -0.305661 | 516458 | 232956 | TL164329 | Yes |
| SG5 3ST | 51.981457 | -0.309515 | 516197 | 232793 | TL161327 | Yes |
| SG5 3SU | 51.981857 | -0.310505 | 516128 | 232836 | TL161328 | Yes |
| SG5 3SW | 51.985588 | -0.30419 | 516552 | 233261 | TL165332 | Yes |
| SG5 3SZ | 51.986349 | -0.303302 | 516611 | 233347 | TL166333 | Yes |
| SG5 3TA | 51.974168 | -0.326781 | 515030 | 231955 | TL150319 | No |
| SG5 3TD | 51.971533 | -0.276856 | 518466 | 231742 | TL184317 | Yes |
| SG5 3TE | 51.971147 | -0.277526 | 518421 | 231698 | TL184316 | Yes |
| SG5 3TG | 51.972498 | -0.277678 | 518407 | 231848 | TL184318 | Yes |
| SG5 3TH | 51.974574 | -0.276404 | 518489 | 232081 | TL184320 | Yes |
| SG5 3TJ | 51.976627 | -0.27599 | 518512 | 232310 | TL185323 | Yes |
| SG5 3TL | 51.976792 | -0.275547 | 518542 | 232329 | TL185323 | Yes |
| SG5 3TN | 51.977399 | -0.276514 | 518474 | 232395 | TL184323 | Yes |
| SG5 3TP | 51.97779 | -0.277416 | 518411 | 232437 | TL184324 | Yes |
| SG5 3TQ | 51.972146 | -0.276992 | 518455 | 231810 | TL184318 | Yes |
| SG5 3TR | 51.978529 | -0.278159 | 518358 | 232518 | TL183325 | Yes |
| SG5 3TS | 51.9779 | -0.281227 | 518149 | 232443 | TL181324 | Yes |
| SG5 3TT | 51.978347 | -0.276172 | 518495 | 232501 | TL184325 | Yes |
| SG5 3TU | 51.98045 | -0.276105 | 518494 | 232735 | TL184327 | Yes |
| SG5 3TW | 51.978251 | -0.273904 | 518651 | 232494 | TL186324 | Yes |
| SG5 3TX | 51.982861 | -0.277352 | 518402 | 233001 | TL184330 | No |
| SG5 3TZ | 51.976835 | -0.271789 | 518800 | 232340 | TL187323 | Yes |
| SG5 3UA | 51.97636 | -0.270642 | 518880 | 232289 | TL188322 | Yes |
| SG5 3UB | 51.974244 | -0.275368 | 518561 | 232046 | TL185320 | Yes |
| SG5 3UD | 51.972853 | -0.276164 | 518510 | 231890 | TL185318 | Yes |
| SG5 3UE | 51.973113 | -0.276737 | 518470 | 231918 | TL184319 | Yes |
| SG5 3UF | 51.973212 | -0.277941 | 518387 | 231927 | TL183319 | Yes |
| SG5 3UG | 51.9703 | -0.279291 | 518302 | 231601 | TL183316 | No |
| SG5 3UH | 51.967626 | -0.280849 | 518202 | 231301 | TL182313 | No |
| SG5 3UJ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3UL | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3UN | 51.96833 | -0.279861 | 518268 | 231381 | TL182313 | Yes |
| SG5 3UP | 51.96847 | -0.278357 | 518371 | 231399 | TL183313 | Yes |
| SG5 3UQ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3UR | 51.968973 | -0.280128 | 518248 | 231452 | TL182314 | Yes |
| SG5 3UT | 51.969304 | -0.280057 | 518252 | 231489 | TL182314 | Yes |
| SG5 3UU | 51.969792 | -0.279601 | 518282 | 231544 | TL182315 | Yes |
| SG5 3UW | 51.967726 | -0.277905 | 518404 | 231317 | TL184313 | Yes |
| SG5 3UX | 51.970089 | -0.280201 | 518240 | 231576 | TL182315 | Yes |
| SG5 3UZ | 51.969366 | -0.28055 | 518218 | 231495 | TL182314 | Yes |
| SG5 3WA | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WB | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WD | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WE | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |